TKR 750 (Rev) (C.C2) B51 8567 10

TKR-750 (Rev) (C.C2) B51-8567-10 TKR-750 (Rev) (C.C2) B51-8567-10

User Manual: TKR-750 (Rev) (C.C2) B51-8567-10

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VHF FM REPEATER / VHF 
 !"

TKR-750
SERVICE MANUAL / 
 !
REVISED / 


© 2004-11 
 !"
B51-8567-10 (N) 596

This service manual applies to products with 60800001 or
subsequent serial numbers.
In terms of the products with the serial numbers earlier
than 60800001, refer to the TKR-750 service manual as
per part No. B51-8567-00.


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Front panel
(A62-0934-03)

Knob (Volume) Knob (DC source)
(K29-5389-03) (K29-9106-04)

VHF FM REPEATER TKR-750

Fuse (Blade, 15A/32V)
(F05-1537-05) x 2
Antenna cable (N)
(E30-3419-05)

D-sub cable assy
(E37-0904-05)
TEST/SPKR connector assy
(E37-0913-05)

Key top
(K29-5460-02)

Modular jack
(E08-0877-05)

Antenna cable (BNC)
(E30-3418-05)

DC cord (Ext DC in)
(E30-3414-05)
DC backup terminal
(E70-0402-05)

CONTENTS
GENERAL .......................................................................... 2
SYSTEM SET-UP .............................................................. 3
OPERATING FEATURES .................................................. 4
REALIGNMENT ................................................................ 5
INSTALLATION ................................................................ 8
MODIFICATION .............................................................. 13
DISASSEMBLY FOR REPAIR ......................................... 15
CIRCUIT DESCRIPTION ................................................. 16
SEMICONDUCTOR DATA ............................................. 26
COMPONENTS DESCRIPTION ...................................... 31
PARTS LIST .................................................................... 34
EXPLODED VIEW ........................................................... 46
PACKING ......................................................................... 48
ADJUSTMENT ................................................................ 49

TERMINAL FUNCTION .................................................. 67
BLOCK DIAGRAM .......................................................... 75
INTERCONNECTION DIAGRAM ................................... 78
PC BOARD
FINAL UNIT (X45-373X-XX) ..................................... 80
DISPLAY UNIT (X54-3330-21) .................................. 84
TX-RX UNIT (X57-695X-XX) (A/2) ........................... 88
TX-RX UNIT (X57-695X-XX) (B/2) ........................... 92
RX VCO UNIT (X58-4780-10) .................................... 96
TX VCO UNIT (X58-4790-10) .................................... 97
SCHEMATIC DIAGRAM ................................................. 98
KES-5 (EXTERNAL SPEAKER) .................................... 111
SPECIFICATIONS ......................................................... 112

TKR-750























 









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! KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK Q
! KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK R

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 KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK RM




 ! KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK ST

 
 
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afpmi^v=rkfqEuRQJPPPMJONF KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK =UQ
quJou=rkfqEuRTJSVRuJuuFE^LOF KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK =UU
quJou=rkfqEuRTJSVRuJuuFE_LOF KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK =VO
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Service Manual List
Title

Parts number

TKR-750

B51-8567-00

TKR-750

B51-8661-00

TKR-750

B51-8567-10
(This service manual)

Remarks

Destination

Final unit number

TX-RX unit number

Display unit number

C, C2

X45-362X-XX

X57-626X-XX

X54-3330-20

SUPPLEMENT

C, C2

X45-373X-XX

-

-

REVISED

C, C2

X45-373X-XX

X57-695X-XX

X54-3330-21

GENERAL / 

INTRODUCTION




SCOPE OF THIS MANUAL




This manual is intended for use by experienced technicians familiar with similar types of commercial grade communications equipment. It contains all required service information for the equipment and is current as of this publication
date. Changes which may occur after publication are covered
by either Service Bulletins or Manual Revisions, which are
issued as required.

2

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ORDERING REPLACEMENT PARTS




When ordering replacement parts or equipment information, the full part identification number should be included.
This applies to all parts : components, kits, and chassis. If the
part number is not known, include the chassis or kit number
of which it is a part and a sufficient description of the required
component, for proper identification.


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PERSONAL SAFETY




!

The following precautions are recommended for personal
safety :
• DO NOT transmit until all RF connectors are secure and
any open connectors are properly terminated.
• SHUT OFF this equipment when near electrical blasting
caps or while in an explosive atmosphere.
• This equipment should be serviced by only qualified technicians.

















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TKR-750
GENERAL / 

SERVICE




This radio is designed for easy servicing. Refer to the
schematic diagrams, printed circuit board views, and alignment procedures contained in this manual.


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SYSTEM SET-UP / 
 

Merchandise
received
Frequency range (MHz)
TX/RX 146~174
TX/RX 136~150

Choose the type
of transceiver

RF power
50W
50W

Type
C
C2

See page 5.
Repeater
A personal computer (IBM PC or compatible), programming interface (KPG-46),
programming & setup
and programming software (KPG-91D(C)) are required for programming.
See page 56.
The RX RF BPF (L2,L3,L5,L6,L7 on TX-RX unit A/2) must be aligned to obtain
the maximum sensitivity at a programmed frequency.
DC power
supply or
duplexer?

YES

Installation in the
optional space

YES

KES-4 or KES-5
installation

NO

External speaker?
NO

Delivery

接收到的商品
频率范围(MHz)
发射/接收 146~174
发射/接收 136~150

选择中继台的型号

中继台编程或设定

直流电源或
双工器?

射频功率
50W
50W

类型
C
C2

参见第5页。
编程时需要个人计算机(IBM PC或兼容机),
编程接口(KPG-46)以及编程软件(KPG-91D(C)) 。
参见第57页。
必须调整RX RF BPF (TX-RX单元A/2上的L2, L3, L5, L6, L7) 以在编程设定的
频率上获得最大灵敏度。
是

安装到预留空间

否

外部扬声器?

是

安装KES-4或KES-5

否

交货

3

TKR-750
OPERATING FEATURES / 
 !
• “E1” is displayed when FPU data is not written.

1. Two 7-segment LED displays
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• Channel display (1~16) : While operating normally in user
mode.

 


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• When the displayed channel is contained in scan sequence, the right side decimal point is displayed.

 


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• “E3” is displayed when PLL is unlocked.
Receiver PLL unlocked = BUSY LED blinks.
Transmitter PLL unlocked = TX LED blinks.

• When the displayed channel is the priority channel, the left
side decimal point is displayed.

 


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• “E4” is displayed when PTT is attempted on a channel
number that has no frequency data programmed.
• “PC” is displayed while in PC mode.

 
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• “SC” is displayed while in scan mode.
• “PG” is displayed while in firmware programming mode.
2 decimal points displayed = 115,200bps
1 decimal point displayed = 57,600bps
No decimal = 38,400bps

 
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TKR-750
REALIGNMENT / 
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1. Modes

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用户模式

User mode
PC mode

PC test mode

计算机测试模式

PC tuning mode

Function

计算机调谐模式

固件编程模式

Firmware Programming mode

Mode

计算机编程模式

计算机模式

PC programming mode













User mode

Use this mode for normal operation.




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PC mode

Use this mode to make various settings by




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means of the FPU through the RS-232C port.

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PC programming

Use to read and write frequency data and




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mode

other features to and from the repeater.




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PC test mode

Use to check the repeater using the PC.
This feature is included in the FPU.

Firmware pro-

Use when changing the firmware program

gramming mode

of the flash memory.

2. How to Enter Each Mode
Mode

Operation







User mode

Power on.




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PC mode

Received commands from PC.




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[PF1] key + Power on (one second).




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3. PC Mode

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3-1. Preface

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The TKR-750 repeater is programmed by using a personal
computer, programming interface and KPG-91D(C) software.

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3-2. Connection Procedure

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1. Connect the TKR-750 to the personal computer with the
interface cable.
2. When power is applied, the user mode is entered immediately. When the PC sends a command, the repeater enters the PC mode and displays “PC” on the 7-segment
LED. When data is being transmitted to the PC from the
repeater, the TX LED flashes. The BUSY LED flashes
when data from the PC is being received by the repeater.

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OK 








Note :




• The data stored in the personal computer must match the
model type, when it is written into the flash memory.
• Change the TKR-750 to PC mode, then attach the interface cable.

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5

TKR-750
REALIGNMENT / 
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3-3. KPG-46 Description (PC Programming Interface Cable : Option)
The KPG-46 is required to interface the TKR-750 to the
computer. It has a circuit in its D-sub connector (25-pin) case
that converts the RS-232C logic level to the TTL level.
The KPG-46 connects the microphone connector of the
TKR-750 to the computer’s RS-232C serial port.

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3-4. Programming Software Description

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The KPG-91D(C) is the programming software for TKR750 supplied on a CD-ROM. This software runs under Windows 98, ME, Windows 2000 or XP on an IBM-PC or compatible machine.
The data can be input to or read from TKR-750 and edited
on the screen. The programmed or edited data can be
printed out. It is also possible to tune the transceiver.

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3-5. Programming With IBM PC

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Data can be programmed into the flash memory in RS232C format via the microphone connector.

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IBM-PC
IBM计算机

KPG-46

TKR-750
KPG-91D(C)

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4-1. Preface

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The TKR-750 uses flash memory to allow it to be easily
upgraded when new features are released in the future.

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4-2. Connection Procedure

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Connect the TKR-750 to the personal computer (IBM PC
or compatible) with the interface cable (KPG-46). (Connection
is the same as in the PC mode.)


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Notes :




You can only program firmware from the 8-pin microphone connector on the front panel. Using the 25-pin logic
interface on the rear panel will not work.

6

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4. Firmware Programming Mode

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TKR-750
REALIGNMENT / 
 !
4-3. Programming

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1. Start up the programming software (Fpro. exe).
2. Set the communications speed (normally, 115200 bps)
and communications port in the configuration item.
3. Set the firmware to be updated by file name item.
4. Turn the TKR-750 power on with the [PF1] key held down.
Hold the key down for one second until the 7-segment
display changes to “P.G.”. When “P.G.” appears, release
your finger from the key.
5. Check the connection between the TKR-750 and the personal computer, and make sure that the TKR-750 is in the
program mode.
6. Press write button in the window. A window opens on
the display to indicate progress of writing.
7. If writing ends successfully, the TX LED on the TKR-750
lights.
8. If you want to continue programming other TKR-750s, repeat steps 3 to 6.

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Notes :




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TK
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4-4. Function

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If you press the [PF1] key (front panel), both decimal point
on the 7-segment display will disappear. The writing speed is
38400 bps (low-speed mode). If you press the [PF1] key
again, the right hand decimal points will light. The writing
speed is 57600 bps (middle-speed mode).


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Normally, write in the high-speed mode (115200 bps).




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7

TKR-750
INSTALLATION / 

1. External Power Supply Connection
(Rear Connectors)
This unit has two external power supply connectors : Main
DC and Backup.
If an external DC power supply is connected to the main
DC connector and a backup battery is connected to the
Backup connector at the same time, the DC power supply
switches to the battery automatically if power failure occurs.
Therefore, the operation of the repeater can be continued.
If the battery is used, but both the battery and power supply need not be connected (if an external switch is used or if
only a solar battery is used), connect it to the Backup connector, not the Main DC connector. Current consumption can be
reduced by approx. 120mA because the relay is not used.
If it is installed when the temperature at the repeater site
is below freezing, check whether the switch (relay) works
properly after installation.

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2. Voice Scrambler
It operates only during base operation. The voice is not
scrambled when it is repeated.

TX-RX unit (B/2)
Control section
Component side

2-1. Modification
1) Remove R742 and R653 on the TX-RX unit (B/2) : control
section.

2-2. Connection
1) The functions of pins of CN601 on the TX-RX unit (B/2) :
control section are shown in the figure.
2) Join the CN601 connector to the voice scrambler board via
the E37-0808-05 connector cable.

SB
8C

When the operation is checked in PC test mode after the
modification, and the maximum deviation is adjusted, the
voice from the local microphone is not modulated. In this
case, remove the CN601 12-pin (PTO) cable and connect it to
the land of the display unit (X54-333) from the voice scrambler. The voice from the local microphone can be modulated
in PC test mode.

SB

CN603

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CN604

CN606

CN601

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CN605
14

Fig. 1 / 
N

8

R742

R653

TKR-750
INSTALLATION / 

CN601
1
TXO (MIC signal output)
TXI (MIC signal input)
RXO (RX audio signal output)
AC (Audio control signal output)
BC1 (Scramble code output 1)
BC2 (Scramble code output 2)
BC3 (Scramble code output 3)
BC4 (Scramble code output 4)
PTI (PTT signal input)
CLRC (Clear code for scrambler)
RXI (RX audio signal input)
PTO (PTT signal output)
NC
GND
14

CN601
1
TXO (麦克风信号输出)
TXI (麦克风信号输入)
RXO (音频信号输出)
AC (音频控制信号输出)
BC1 (扰频代码输出1)
BC2 (扰频代码输出2)
BC3 (扰频代码输出3)
BC4 (扰频代码输出4)
PTI (PTT信号输入)
CLRC (扰频器用清除代码)
RXI (音频信号输入)
PTO (PTT信号输出)
NC
GND
14

Voice
scrambler

Display
unit
8C

声音扰频器

显示单元
8C


O

Fig. 2

Display unit (A/2)
Foil side

PTO

Fig. 3 / 
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3. External Speaker (KES-4 or KES-5)

PK=


The TKR-750 has a internal built-in speaker (5W/8Ω), and
the external speaker output from the TEST/SPKR connector
(15-pin) on the rear of the radio is 4W/4Ω. Use external
speaker KES-4 or KES-5.

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3-1. Connection for the KES-4 or KES-5 With the TKR-750
■ When taking the AF output from the TEST/
SPKR connector (15-pin) on the rear of the radio

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The following tools are required for changing the connector.




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9

TKR-750
INSTALLATION / 

• Extracting tool
The following extracting tool is recommended :
Molex Inc. Order No. : J5800-002 (W05-0878-00)
1. Remove the connector with jumper from the external
speaker connector on the rear panel of the radio. (Fig. 4-1)
Note : Save the jumper, which is required when the radio
is used without the external speaker.
2. Remove the terminals with the jumper from the connector housing holes number 9 and 12 using the extracting
tool.

方形插头
(E31-3228-05)
(附件)

Fig. 4-1 / 
QJN

Removing the jumper lead (Fig. 4-2)
1) Insert the extracting tool (J5800-002) into the connector while pushing the jumper lead in the direction of
(a).
2) Push the extracting tool into collapse the barbs of the
crimp terminal.
3) Pull out the lead while continuing to push the extracting
tool in the direction (b).
3. Reinsert the terminal with the black and white stripe lead
into hole number 12, and the terminal with the black lead
into hole number 6. (Fig. 4-3)
4. Attach the connector to the external speaker connector on
the radio.

拆卸工具
(J5800-002)

跳接器导线
压接端子

Note :

棘

Relationship between TEST/SPKR connector (15-pin) connection and speaker output.
When pins 9 and 12 are shorted : Built-in internal speaker
is used.
When pins 9 and 12 are open and output is from pins 6 and
12 : KES-4 or KES-5 is used.


 


压接端子

Fig. 4-2 / 
QJO

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Fig. 4-3 / 
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黑色/白色条纹导线

TKR-750
INSTALLATION / 

4. Accessory Cabinet

QK=


You can install optional accessories, such as a DC power
supply or duplexers in the accessory cabinet.
1. Place the optional accessory in the cabinet as shown below.
2. If necessary, attach cushions (G13-1801-04 and/or G131802-04) to the top plate (J21-8402-04) in order to adjust
the space between the cabinet and the top plate. Then,
insert the 3 tabs of the plate into the slots in the side of the
cabinet. High, middle, or low positions are available. To
afix the plate, inset and tighten 2 screws on the other side
of the plate.




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You can also flip the top plate upside-down to adjust a
height of the cabinet space.
Tighten screws
拧紧螺丝

Hardware fixture / 固定支架
(J21-8402-04)
Insert the plate tabs to set the height
position (high, middle, or low).
可插入到上，中，下三段固定孔

Cushions / 垫片
(G13-1801-04 or G13-1802-04)

or

The top plate can be inverted to adjust the height of the cabinet space.
固定支架可反转使高度改变

Fig. 5 / 
R

5. Key Cover
To avoid accidentally pressing the keys, you can install the
key cover.
1. Install and fix the key protector using the 5 supplied
screws (N35-3006-45).

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Fig. 6 / 
S
11

TKR-750
INSTALLATION / 

6. Desktop Repeater

SK=


When you use the repeater on the desktop, attach the 4
spacers to the base of the repeater as shown in figure. With
these spacers attached, the front panel will not touch the
desk surface.




Pegs
Firmly press these pegs (J59-0302-05)
through the spacers to affix them to
the repeater.
螺钉
请用力按压螺钉 (J59-0302-05)
穿过垫片将其固定到中继台上。

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Peel off the backing paper
to attach these spacers
(J02-0492-04).
撕下衬纸附上垫片 (J02-0492-04)。

Spacers / 垫片
(J02-0475-05)

Fig. 7 / 
T

7. Installing Name Plates

TK=


Punch out the name plate card. Then insert the plates
onto the reltative function keys.
You can reconfigure the name plates at any time.






Punch out the
name plate cards
取下

Squeeze and
insert the plates.
按入
Name plates for
the function keys
功能键用表示贴片
Name plates
表示贴片
Side view of the key
键的断面

Fig. 8 / 
U
12


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3

TKR-750
MODIFICATION / 

1. DC Source Switch
To prevent the power supply from turning off due to
misoperation of the DC source switch on the front panel or
accidents (tampering) after installation, the main unit can be
kept on regardless of the on/off of the DC source switch on
the front panel.
Short the PSW land near K1 relay by soldering.

NK=a`


2. When the DC power supply is connected after the modification, DC voltage is output to the Backup connector. Be
careful during setup.
3. When the backup battery is used for a long time, remove
the battery from the repeater and recharge it because the
trickle charge is not sufficient for recharging a completely
discharged battery.

OK=


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TX-RX unit (A/2)
Component side
Final unit (A/2)
Component side

CF1
WIDE

CF2
NARROW

PSW

K1

CN7 BACKUP
(ORANGE)

K1

Fig. 1 / 
N

2. Trickle Charge for Backup Battery
If the external DC power supply is connected to the Main
DC connector and a backup battery (12V rechargeable type) is
connected to the Backup connector at the same time, the
battery can be trickle-charged from the external DC power
supply with a maximum current of 0.5A.
Short the CHARGE land near R61.

Notes :
1. Make this modification after removing the DC power supply and battery for safety.

R61

CHARGE

Fig. 2 / 
O

13

TKR-750
MODIFICATION / 

About / 大约
20mm

3. Single Antenna
The TKR-750 can be used as a base station by sharing an
external antenna connector for both transmitting and receiving data.

Cut off the coaxial cable
at this point.
在该点切断同轴电缆。

3-1. Modification
1. Change the installation position of C92 and C160 of the
final unit using a soldering iron.

PK=


About / 大约
8~10mm

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Strip off the insulation so that
the cable can be soldered.
剥去绝缘层使电缆可以被焊接。

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Fig. 4 / 
Q

Final unit (A/2)
Component side

FWD

1. Solder the prepared coaxial cable to the final unit.
2. Connect the pin connector of the coaxial cable to CN18 of
the TX-RX unit.

C160
C92

C160

3-2. Connection

PJOK=

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C92

CN3

ANT SW

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CN53

Final unit (A/2)
Component side

REV

Route the coaxial cable
under the lead wire extending from CN3 and CN16.
将同轴电缆布置在从CN3
和CN16引出的导线之下

Fig. 3 / 
P

2. Short-circuit the printed pattern of ANT SW near the CN3
connector by soldering.
3. Disconnect the pin connector from CN18 of the TX-RX
unit.
Remove the two screws used for securing the BNC connector on the back panel of the unit. Detach the antenna
cable assy. (E30-3418-05)
4. Cut off the coaxial cable of the removed antenna cable
assy on the BNC connector side.
Strip off the insulation of the cut-off coaxial cable to prepare it to be soldered.
OK 
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Solder the coaxial
cable.
焊接同轴电缆
CN3

E

RX

CN16
CN18

Style the coaxial cable as illustrated in the figure.
按图示样式布置同轴电缆

TX-RX unit (A/2)
Component side

Fig. 5 / 
R

3-3. Setting the FPU
Set the channel to be used as “Simplex” using the FPU.

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TKR-750
DISASSEMBLY FOR REPAIR / 
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1. How to Remove the Panel Assy (ABS)

NK=


Note : You can remove the panel assembly (ABS) without
removing the top panel (A62-0840-03).


 
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1. To remove panel (TX-RX, w), loose 6 screws ( q ).
2. To remove panel assembly (Front, r), loose 6 screws
( e ).
3. The panel assembly (ABS) is security fastened by 4 tabs
( t ) on top and bottom. You can remove the panel assembly by pulling to front while you are pulling up the
tabs.

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15

TKR-750
CIRCUIT DESCRIPTION / 
 !
1. Outline

NK=


The TKR-750 is a VHF FM repeater designed to operate in
the frequency range of 136 to 174MHz.
The unit consists of receiver, transmitter, phase-locked
loop (PLL) frequency synthesizer, and control circuits.

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2. Receiver Circuit

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The receiver is double conversion super-heterodyne, designed to operate in the frequency range of 146 to 174MHz
(C) or 136 to 150MHz (C2).
The receiver circuit located in TX-RX unit (X57-695 A/2)
consists of the following : 2-1 front-end circuit, 2-2 first mixer,
2-3 IF amplifier circuit, 2-4 audio amplifier circuit, and 2-5
squelch circuit.


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2-1. Front-end Circuit

OJNK=


The front-end circuit consists of BPF L2/L3, RF amplifier
Q1, and BPF L5/L6/L7. The helical BPF covers frequency
ranges146 to 174MHz (C) or 136 to 150MHz (C2), with a
passband of 3.0MHz.
The BPF L5/L6/L7 attenuates the unwanted signals, and
sends only the necessary signal to the first mixer DBM A1.


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RX ANT

TX-RX unit (X57 A/2): TX-RX
MCF (Wide)
XF2

IF AMP
Q3

D2
SW

D1
MCF (Narrow)
XF1

W/N

DET

44.850MHz

RF AMP
Q1

BPF
L2,L3

SW

W/N
LPF

IF AMP IF AMP
Q8
Q9

RX VCO
A3 (X58-478)
VCO A
VCO B

QUD

SW

fRX+44.85MHz

CF1 (Wide)

W/N
SW
D4

NOISE DET
D5
SQL

BPF
L5,L6,L7

1st MIX
DBM A1

FM SYSTEM IC
IC9

RSSI
Q4

44.85MHz
IF AMP
Q2

DET

X1
44.395MHz

SW
D3

CF2 (Narrow)
NOISE AMP
Q7

455kHz

W/N

TX-RX unit (X57 B/2): Control
AMP
DEI DEO IC608
AINR
RD

IC614
CODEC

LPF
AMP
IC619 (B/2) IC619 (A/2) RXI RXO

IC622

Q606

IC629

DAC

SW

MUTE

AF
AMP

AOUTR

IC604

RA

CPU

AM
SPM

ASQ

IC615

IC621

INV Q605

RSSI

INT SP

16

Fig. 1 Receiver circuit / 
N




!"

TKR-750
CIRCUIT DESCRIPTION / 
 !
!"

2-2. First Mixer

OJOK=


The signal from the BPF is heterodyned with the first local
oscillator signal from the PLL frequency synthesizer circuit at
the first mixer DBM (A1) to become a 44.85MHz first intermediate frequency (IF) signal. The first IF signal is fed
through two monolithic crystal filters (XF2; Wide, XF1; Narrow) to further remove spurious signals.


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2-3. IF Amplifier

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The first IF signal is amplified by Q2 and Q3, and then enters IC9 (FM system IC). The signal is heterodyned again
with a second local oscillator signal (44.395MHz) with in IC9
to become a 455kHz second IF signal. The second IF signal is
fed through a 455kHz ceramic filter, CF1 (Wide), CF2 (Narrow) to further eliminate unwanted signal, and the quadrature
detection circuit FM-detects the signal to produce a baseband signal and output it from pin 11.


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2-4. Audio Amplifier

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The audio amplifier circuit is located in control section of
TX-RX unit (X57-695 B/2). The recovered audio signal obtained from IC9 is amplified by IC608, input to the AINR terminal of CODEC IC (IC614), and audio processed by DSP
(IC618).
The processed audio signal from AOUTR terminal of
IC614 is amplified by IC619 (B/2) to a sufficient level, antialiasing filtered by IC619 (A/2). The audio signal goes to an
electronic volume (IC615) V3/V4, to the input of multiplexer
IC (IC622), and is amplified to drive a loudspeaker by an audio
power amplifier (IC629). The 4W audio output can be provided to external 4 ohms speaker through the 15-pin test connector “SPO, SPG” on the rear panel.


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2-5. Squelch Circuit

OJRK=


The output signal from IC9 enters FM IC again, then
passed through a band-pass filter.
The noise component output from IC9 is amplified by Q7
and rectified by D5 to produce a DC Voltage corresponding to
the noise level. The DC voltage is sent to the analog port of
the CPU (IC604).
IC9 outputs a DC voltage (RSSI) corresponding to the input of the IF amplifier.


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3. Transmitter Circuit

PK=


The transmitter circuit consists of the following circuits : 31 microphone circuit, 3-2 modulation level adjustment circuit,
3-3 driver and final power amplifier circuit, 3-4 automatic
power control circuit, 3-5 RF power down detect, and 3-6 fan
action control circuit.


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3-1. Microphone Circuit

PJNK=


The signal from the microphone is passed through AGC
circuit located in display unit (X54-333), so that it does not
saturate. This circuit consists of IC501, D501, D502, Q501,
and Q502. The AGC is operated by controlling the + and –
side levels of amplitude using the current obtained by positive and negative detection of the amplified audio signal. The
audio signal goes to control section of TX-RX unit (X57-695 B/
2) from display unit (X54-333).


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17

TKR-750
CIRCUIT DESCRIPTION / 
 !

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The transmit audio signal goes to the input of the multiplexer IC (IC605) for microphone muting. The audio signal is
amplified by IC610, input to the AINL terminal of CODEC IC
(IC614), and audio processed by DSP (IC618). The processed
audio signal from the AOUTL terminal of IC614 is amplified
by IC616 (A/2) to a sufficient level, anti-aliasing filtered by
IC616 (B/2), and amplified by the summing amplifier IC611
(A/2).
Display unit
(X54 B/2)

Display unit (X54 A/2)
VR501

MIC JACK

IC501(A/2)

Q501,502

AMP

ATT

MIC

J601
DET
D501,502

TXRX unit (X57 B/2): CONTROL

MIC

IC605 (A/2)

IC610

SW

AMP

IC614
CODEC IC
AINL

MIS

IC616
(B/2)

IC616
(A/2)

IC611
(A/2)

AMP

LPF

AMP

MO

AOUTL

DAC

IC605 (B/2)

TXO TXI

TA

IC615

MB

D-SUB
TD

SW

SW

TDS

TAS

Fig. 2 Microphone circuit / 
O




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3-2. Modulation Level Adjustment Circuit

PJOK=


The output of the summing amplifier IC611 (A/2) is passed
to an electronic volume (IC615) for maximum deviation adjustment before being applied to a varactor diode in the voltage controlled oscillator (VCO) A2 located in TX-RX unit (X57695 A/2).


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3-3. Driver and Final Power Amplifier Circuit

PJPK=


The transmit signal is generated by the TX VCO (A2), amplified by Q11, and sent to final unit (X45-373). This amplified
signal is amplified by Q2, Q3 and Q4, and is passed to the
FINAL stage. The RF power amplifier consists of MOS FET.

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Final unit (X45-373 A/2)

TX-RX unit (X57-695 A/2)

TX ANT
Q11
MO

TX VCO
A2
(X58-479)

Q4
Q5
Drive AMP Final AMP

Q2
Drive AMP

STT

ATT

CM COUPLER
TEMP
Q3
Drive AMP
IC1

FCT
MB

18

BUFF

TCXO

IC1

X3
16.8MHz

Fig. 3

Vcont
D4
DC
AMP

FWD
DET

REV
DET

D5

SW Q8
POWER ADJ

PC

REF
AMP
IC1

Driver and final power amplifier circuit / 
P

PDT
(to IC604 CPU)
VR1




!"#$%&'

()

TKR-750
CIRCUIT DESCRIPTION / 
 !
!"#$%&'()

3-4. Automatic Power Control Circuit and Transmitter

PJQK=


The automatic power control (APC) circuit stabilizes the
transmitter output power at a pre-determined level, and consists of forward/reverse power detector circuits, and switching transistor Q8. The forward/reverse power detector circuits detects forward RF power and reverse RF power to DC
voltage, and consists of a CM coupling type detection circuit
formed by a strip line, RF detector D4/D5, and DC amplifier
IC1 (A/2).
The voltage comparator (IC1 B/2) compares the above detected voltage with a reference voltage, set using the microprocessor and IC6 located in the TX-RX unit. An APC voltage
proportional to the difference between the sensed voltage
and the reference voltage appears at the output of IC1. This
output voltage controls the gate voltage for the drive amplifier Q4 and final amplifier Q5, which keeps the transmitter
output power constant.


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3-5. RF Power Down Detect

PJR=oc


When the transmitter output power has dropped to or below the preset values (High Power : about 20W, Low Power :
about 10W) in “RF Power Down Detect” adjustment, IC604
(CPU : X57-695) detects the drop in power and outputs a
Low-level (default) signal to the AUX out port.


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3-6. Fan Action Control Circuit

PJSK=


If fan action is set to “Temperature”, the cooling fan is
turned ON or OFF according to temperature.
If the ambient temperature of the final unit exceeds
approx. 35°C, the output from the temperature detection IC2
changes from H to L. This signal is sent to the CPU (IC604)
by Q602 in the TX-RX unit B/2 (control section), and the output from pin 13 (FAS) of IC7 in the TX-RX unit A/2 controlled
by the CPU goes H.
This signal turns Q9 in the final unit ON to run the cooling
fan. It has a hysteresis of approx. 2°C by IC1. If fan action is
set to “Continuous”, the fan operates continuously, but Q9
stays ON.


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 !"

FAN

CN4
FAB

X45 A/2

X57 A/2

!"#$%

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X57 B/2

+B
IC604

IC7
Q9

FAG

FAS

13

[Fan operation / 


!]

CPU

Q6
CK,
DT,
STB

ON

TMP
17

OFF
IC2
TMP

+20°C

+30°C +35°C +40°C

+50°C

Q602

Fig. 4 Fan action control circuit / 
Q 


!"#$%

19

TKR-750
CIRCUIT DESCRIPTION / 
 !
!"

4. PLL Frequency Synthesizer

QK=mii


The PLL frequency synthesizer circuit consists of the following circuits : 4-1 receiver PLL circuit, 4-2 transmitter PLL
circuit, and 4-3 unlocked detector circuit.

mii
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 mii

QJO=
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4-1. Receiver PLL

QJNK=
 mii

The receiver PLL circuit is located in VCO unit A3 (X58478) on TX-RX unit (X57-695 A/2), and consists of VCXO X2,
VCO’s (Q350 and Q351), a single-chip PLL IC IC300, buffer
amplifier Q355, and high-frequency amplifier Q302.
The VCXO generates 16.8MHz. The frequency stability is
within ± 1.5ppm (Temperature range of –30 to +60°C). The
frequency tuning of the VCXO is done to apply a voltage to
pin 1 of the VCXO. The output of the VCXO is applied to pin 8
of the PLL IC through the pin 7 of the VCO.
The first local oscillator is a lower heterodyne local oscillator, and the VCO oscillator frequency is 190.85 to 218.85MHz
(C), 180.85 to 194.85MHz (C2). Two VCOs cover the two
bands : Q350 covers the lower band and Q351 VCO covers
the upper band.
The oscillator frequency is controlled by applying the VCO
control voltage, obtained from the phase comparator to the
varactor diodes.


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TX-RX unit

VCO unit (X58-478)
Q350

Q355

VCO A

AMP

Q354
SW

SW Q352

SW Q353
SRR
VCO B

Top view

Q351
Q300

IC300

Q302

X2

LPF

PLL-IC

AMP

VCXO

RX VCO
(X58-478)

(MHz)

VCO A : 136~152
+44.850
VCO B : 152~174
+44.850

VCO oscillation frequency
s`l
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CP,DP
EPR,LDR
µ-com
IC604

Fig. 5 Receiver PLL / 
R

20


 mii

TKR-750
CIRCUIT DESCRIPTION / 
 !
4-2. Transmitter PLL

QJOK=
 mii

The transmitter PLL circuit is located in VCO unit A2 (X58479) on TX-RX unit (X57-695 A/2), and consists of VCXO X3,
VCO’s (Q350 and Q351), a single-chip PLL IC IC300, buffer
amplifier Q355, and high-frequency amplifier Q302.
The VCXO generates 16.8MHz. The frequency stability is
within ± 2.0ppm (Temperature range of –30 to +60°C). The
frequency tuning and modulation of the VCXO are done to
apply a voltage to pin 1 of the VCXO. The output of the VCXO
is applied to pin 8 of the PLL IC through the pin 7 of the VCO.
The VCO oscillator frequency is 146.00 to 174.00MHz (C),
136.00 to 150.00MHz (C2). Two VCOs cover the two bands :
Q350 covers the lower band and Q351 VCO covers the upper
band.
The oscillator frequency is controlled by applying the VCO
control voltage, obtained from the phase comparator to the
varactor diodes.


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4-3. Unlock Detector Circuit

QJPK=


If a pulse signal appears at the LD pin of IC300, an unlock
condition occurs, causing the voltage applied to the pin of the
microprocessor to go low. The names of this pin are LDT for
TX PLL and LDR for RX PLL. When the microprocessor detects this condition, the transmitter is disabled.


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TX-RX unit

VCO unit (X58-479)
Q350

Q355

VCO A

AMP

Q354
SW

MO

SW

Q352
Q353
SW MO

MO

MO

STT
VCO B

Top view

Q351
Q300

IC300

Q302

X3

LPF

PLL-IC

AMP

VCXO

TX VCO
(X58-479)

(MHz)

VCO A : 136~152

VCO B : 152~174

VCO oscillation frequency
s`l
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CP,DP
EPT,LDT
µ-com
IC604

Fig. 6 Transmitter PLL / 
S 
 mii

21

TKR-750
CIRCUIT DESCRIPTION / 
 !
!

5. Control Circuit

RK=


The control circuit mainly located in the control section of
TX-RX unit (X57-695 B/2) consists of the following : 5-1 CPU,
5-2 memory circuit, 5-3 CPU clock shift, 5-4 shift register circuit, 5-5 display circuit, 5-6 DSP circuit, 5-7 base-band circuit,
5-8 RS-232C circuit, and 5-9 power supply circuit.


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RJU=opJOPO`
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5-1. CPU

RJNK=`mr

The CPU (IC604) is a 16bit single-chip microcomputer containing a 32k ROM and 3k RAM. This CPU controls the flash
ROM, the DSP, the receiver circuit, the transmitter circuit,
the control circuit, and the display circuit and transfers data to
or from an external device.

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5-2. Memory Circuit

RJOK=


IC609 has a flash ROM with a capacity of 2M bits that
contains the control program for the CPU, the signal processing program for DSP and data such as channels and operating
features.
This program can be easily written from an external device. Data such as the operating status are programmed into
the EEPROM (IC600).

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5-3. CPU Clock Shift

RJPK=`mr


There are the 14.754MHz clock for the CPU (IC604) and
the 16.515MHz clock for the DSP (IC618) at the control section of TX-RX unit (X57-695). When these clocks are multiplexed with the reception frequency, they become an internal beat signal. To prevent this, by tuning Q600 and Q604 on
the clock frequency is shifted. (Shift on/off can be set
through programming.)


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!"

!

TX-RX unit (X57 B/2): CONTROL
IC600

IC604

EEPROM

IC609
FLASH ROM

IC601

IC620

Reset IC

232C DRIVER
CPU

X600

IC615
D/A IC

14.754
MHz

IC602/623

Q600 SW

Shift Register IC

BEAT
SHIFT
IC603/606 INTERFACE IC
X601

IC618

16.515
MHz

DSP
IC613

Q600 SW

DIVIDER
IC614

BEAT
SHIFT

CODEC IC

Fig. 7 Control circuit / 
T 

22

!

TKR-750
CIRCUIT DESCRIPTION / 
 !
!"#$

5-4. Shift Register Circuit

RJQK=


Serial data is sent to the shift register (IC502 to IC505 located in display unit, IC602, IC623, IC7 located in TX-RX unit)
from the CPU (IC604) to control various functions in the unit.


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5-5. Display Circuit

RJRK=


The display circuit (X54-333) contains two 7-segment
LEDs D506, D507 (orange), D503 (red : transmission), twocolor D504 (green : busy, orange : selective called), two-color
LED D505 (red : backup, green : main DC), LEDs in switches
S501 to S506, IC502, IC503, IC504, and IC505 to display this
model channels and states.
IC502 to IC505 are shift registers which convert serial data
from the CPU to parallel data and light LEDs.
Q507, Q510, and Q511 are switching transistors which
control two-color LED D505.
IC506, and IC507 are three-pin power supply ICs which
produce power used for the display circuit.


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Display unit (X54-3330-21 A/2)
PF1~6

CLK,SOE,
STB1

CLK,SOE,
STB1
SI SO

Shift Reg. 1
BU4094BCFV

CLK,SOE,
STB1
SI SO

Shift Reg. 2
BU4094BCFV

SW

CLK,SOE,
STB1
SI

Shift Reg. 3
BU4094BCFV

DAT

SO

Shift Reg. 4
BU4094BCFV

SW

SW

SW

KEY LAMP
1~6

TX

Fig. 8

KEY1~5

SW

SW

SW

CALL BUSY Main DC/
BACKUP

Display circuit / 
U 


!

5-6. DSP

RJSK=apm


The DSP circuit filters transmit/receive audio signal and
encode/decodes signaling (QT, DQT). This circuit consists of
IC618, IC612, IC613, IC614, IC603, IC606, IC608, IC610,
IC616, and IC619.
The receive signal DET is converted from analog to digital
by IC614 with a sampling frequency of 16.128kHz. The digitized audio signal is sent to DSP IC618 to process the signaling signal and audio signal. The processed digital audio signal
is fed to CODEC IC613, converted from digital to analog, and
the analog signal is output from pin 16 (AOUTR). Then, the
audio signal is amplified by IC619 (B/2), passes through the
IC619 (A/2) low-pass filter, and goes to an electronic volume
IC615.
The transmit audio signal coming from IC605 is amplified
by IC610, fed to pin 3 (AINL) of CODEC IC614, and converted
from analog to digital at a sampling frequency of 16.128kHz.
The digitized transmit audio signal is AGC-processed, preemphasized and filtered at 300Hz to 3kHz by DSP IC618, and

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Pâeò
^d`


23

TKR-750
CIRCUIT DESCRIPTION / 
 !
the resulting signal is fed back to CODEC IC614, and converted from digital to analog, and the analog signal is output
from pin 15 (AOUTL). The transmit signal from AOUTL is
amplified by IC616 (B/2), passes through the IC616 (A/2) lowpass filter, and goes to the IC611 (A/2) summing amplifier.
IC613 is a counter IC and the clock required for the
CODEC and DSP is generated by dividing the 16.515MHz
clock signal produced by DSP IC618.
IC603 and IC606 are interface IC between the CPU operated at 5.0V and the DSP operated at 3.3V.


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5-7. Base-Band Circuit

RJTK=


The base-band circuit switches between the modulation
signal to the transmitter circuit, and remote audio and adjusts
their levels. This circuit consists of IC605, IC607, IC611,
IC615, and IC617.
Modulation inputs include local microphone input, lowspeed data (LSD), high-speed data (HSD), external audio input (TA), and external data input (TD), and demodulation outputs include receive audio output (RA), and receive data output (RD).
The multiplexer (IC605) changes signals, the electronic
volume (IC615) adjusts the level, and the operational amplifier (IC607, IC611, IC617) amplifiers and sums signals.


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56

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5-8. RS-232C Circuit

RJUK=opJOPO`


The RS-232C circuit connects the RS-232C serial port of a
personal computer directly to this model to perform FPU operation. The FPU operation can also be performed by connecting a programming cable (KPG-46) to the local microphone on the front panel. But, if the D-sub connector on the
rear panel is used, the programming cable is not required.
The 232C driver IC (IC620) changes the TTL-232C level. The
firmware can only be rewritten with the local microphone on
the front panel.

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 !"#$%&'()*+,-./0123

CODEC IC / 编解码器IC
IC614 : AK4550VT
RX detected signal / RX检测信号 2
(AINR)

REPEAT

RD
TX modulation signal / TX调制信号 3
Local Mic / 本地麦克风
(AINL)
TA

24

RX audio amp. / RX音频放大器

(AOUTR)

TX VCO
(Modulation circuit / 调制电路)

15
TX

[Frequency response / 频率响应] 300Hz

Fig. 9

RA

16

RX

!

(AOUTL)
TD
3kHz

RX

(De-emphasis / 去加重)

TX

(Pre-emphasis / 预加重)

REPEAT / 中继

(300Hz~3kHz Flat / 平坦)

An audio signal course and the frequency characteristic / 
V

TKR-750
CIRCUIT DESCRIPTION / 
 !


!

5-9. Power Supply Circuit

RJVK=


The power supply circuit generates power to operate the
CPU, DSP, flash ROM, bi-directional buffer, and base-band
circuit. This circuit consists of IC624, IC625, IC626, IC627,
IC628, and IC630.


 

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6. DC Power Supply Circuit

SK=a`


6-1. DC Source Switching Relay Circuit

SJNK=a`
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$



!

1. The final unit contains a relay (K1) for switching between
the Main DC and Backup Battery.
If an external power source is connected to the Main DC
terminal, the Backup terminal is isolated by the relay. If
the Main DC turns OFF due to power failure, it is switched
to the Backup terminal by the relay.
The CPU monitors which is used, Main DC or Backup Battery.
2. Trickle charge circuit
If both Main DC and Backup Battery are connected, trickle
charging of 0.5A max. can be performed from the Main
DC power supply to the Battery.
(The default is OFF. See the Modification section for information on the modification method.)
The battery is charged from the Main DC with D8, D9 and
R61. If it exceeds 0.5A, the charging circuit is turned OFF
by D9.

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6-2. SB Switching Relay Circuit

SJOK=p_


1. SB (Switched +B) is supplied through the relay (K1) in the
TX-RX unit A/2.
When S507 (DC source switch) in the display unit is
turned ON, the relay (K1) is turned ON to output SB.
2. If +B exceeds 18V, the relay is forcibly turned OFF by D12
and Q25 to interrupt the power and protect the main unit.

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Main
DC

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R55

D8
D9

+B

R61
Land

K1

K1
(Relay)

120mA

Backup
battery

+B

Final unit (A/2)

SB

R165

R166

TX-RX unit (A/2)
D12

TX-RX unit (B/2)
BUP

16

Q25
Q24

IC604
CPU
S507

Land
(PSW)

Display unit
(Front panel)

Q601

Fig. 10 DC source switching relay circuit

NM a`
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$

Fig. 11 SB switching relay circuit

NN p_
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25

TKR-750
SEMICONDUCTOR DATA / 
 !"
Main CPU : 30622M4A-487GP
(TX-RX unit IC604)


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■ Pin Function


 


Pin No.

Name

I/O

Function




!

==



L





1

IO5

I/O

Aux I/O No.5 (Acc D-sub 25 pin)

N

flR


L
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L
kçKR=E^ÅÅ=aJëìÄ=OR
F

2

IO4

I/O

Aux I/O No.4 (Acc D-sub 25 pin)

O

flQ


L
 ^ru
L
kçKQ=E^ÅÅ=aJëìÄ=OR
F

3

5TN

I

Not used

P

Rqk

4

IO2

I/O

Aux I/O No.2 (Acc D-sub 25 pin)

Q

flO


L
 ^ru
L
kçKO=E^ÅÅ=aJëìÄ=OR
F

5

IO1

I/O

Aux I/O No.1 (Acc D-sub 25 pin)

R

flN


L
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L
kçKN=E^ÅÅ=aJëìÄ=OR
F

6

BYTE

–

5V

S

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J

Rs

7

CNVss

–

GND

T

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J




8

ENT

O

TX PLL IC enable

U

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9

ENR

O

RX PLL IC enable

V

bko




ou=mii


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10

Reset

I

Microcomputer reset input

NM

oÉëÉí







11

Xout

–

14.7456MHz

NN

uçìí

J

NQKTQRSjeò

12

Vss

–

GND

NO

sëë

J




13

Xin

–

14.7456MHz

NP

uáå

J

NQKTQRSjeò

14

Vcc

–

5V

NQ

sÅÅ

J

Rs

15

NMI

–

Not used

NR

kjf

J




16

BUP

I

Backup battery detect

NS

_rm










H : Backup, L : Main
17

TEMP

I

Temperature detect for fan action




e

NT

qbjm




H : Temp high, L : Temp low



e


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!"#=i

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INTy

I

INT request from DSP

NU

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fkq


19

CLK

O

Common clock

NV

`ih







!

20

DAT

O

Common data

OM

a^q







!

21

SFT

O

Beat shift

ON

pcq







! e


22

LD1

O

Control D/A converter LD

OO

iaN





 L
 !ia

23

IO3

I/O

Aux I/O No.3 (Acc D-sub 25 pin)

OP

flP

H : On, L : Off

!

!"#$%

18

!=i



L
 ^ru
L
kçKP=E^ÅÅ=aJëìÄ=OR
F

24

BEEP

O

Beep output

OQ

_bbm







25

LD2

O

D/A converter 2LD

OR

iaO





L
 !Oia

26

RS

O

DSP reset

OS

op




apm


27

EPTT

O

Acc PTT (Acc D-sub 25 pin)

OT

bmqq




^ÅÅ=mqq=E^ÅÅ=aJëìÄ=OR
F

28

PTT

I

Mic PTT

OU

mqq





 mqq e
 !=i


29

TXD1

O

Mic TXD

OV

quaN





 qua

30

RXD1

I

Mic HOOK/RXD

PM

ouaN





 ellhLoua

31

SCLK

O

EEPROM clock

PN

p`ih




bbmolj


32

SDAT

I/O

EEPROM data

PO

pa^q

33

TXD0

O

Acc TXD (Acc D-sub 25 pin)

PP

quaM




^ÅÅ=qua=E^ÅÅ=aJëìÄ=OR
F

34

RXD0

I

Acc RXD (Acc D-sub 25 pin)

PQ

ouaM




^ÅÅ=oua=E^ÅÅ=aJëìÄ=OR
F

35

CP

O

PLL IC clock

PR

`m




mii


!"#

36

DP

O

PLL IC data

PS

am




mii


!"#

37

RDY

I

CPU ready input

PT

oav




`mr


!

H : Off, L : On

H : Off, L : On

26




H : Off, L : On

e


!"

e


!=i


!=i



L
 bbmolj


TKR-750
SEMICONDUCTOR DATA / 
 !"
Pin No.

Name

I/O

Function





==



L





38

ALE

–

Not used

PU

^ib

J




39

HOLD

–

Not used

PV

elia

J







40

HLDA

–

Not used

QM

eia^

J




41

BCLK

O

Not used

QN

_`ih







42

RD

O

Flash ROM WR/DSP HDS1

QO

oa




ci^pe=olj=toLapm=eapN

43

BHE

–

Not used

QP

_eb

J

44

WR

O

Flash ROM WR/DSP HDS2

QQ

to




ci^pe=olj=toLapm=eapO

45

STB2

O

Control shift register STB

QR

pq_O





 !"#$pq_

46

INTx

O

DSP interrupt

QS

fkqñ




apm


47

HCS

O

DSP HCS

QT

e`p




apm=e`p

48

CS0

O

Flash ROM CS

QU

`pM




ci^pe=olj=`p

49

A19

O

Not used

QV

^NV







50~59

A18~A9

O

Flash ROM address bus

RM
RV

^NU
^V




ci^pe=olj


60

Vcc

–

5V

SM

sÅÅ

J

61

A8

O

Flash ROM address bus

SN

^U




62

Vss

–

GND

SO

sëë

J

63~70

A7~A0

O

Flash ROM address bus

SP
TM

^T
^M




ci^pe=olj


71

EMON

I

Acc monitor (Acc D-sub 25 pin)

TN

bjlk




^ÅÅ


72

LDR

I

TO

iao




H : Off, L : On

H : Off, L : On
RX VCO lock detect

LDT

I

74,75

KEY5,KEY4

O

76~78

KEY3~KEY1

I

79~86

D7~D0

ci^pe=olj


!
!



!

=E^ÅÅ=aJëìÄ=OR
F
!=i


ou=s`l


TP

iaq




Key matrix output

TQ

TR

hbvR
hbvQ







!"

Key matrix input

TS
TU

hbvP
hhbvN 





!"

Flash ROM data bus

TV
US

aT
aM

TX VCO lock detect

!=i


!

e


H : Lock, L : Unlock

I/O

e


Rs

e


H : Lock, L : Unlock
73




qu=s`l


!

e



L
 ci^pe=olj


!

87

FWD

I

RF power down level input

UT

cta







88

RSSI

I

RSSI level input

UU

oppf




oppf
 !

89

ASQ

I

Squelch level input

UV

^pn







!"#

90

VLI

I

Volume level input

VM

sif







!"#

91

BATT

I

Power supply voltage level input

VN

_^qq









!"#

92

AI1

I

Aux input No.1 (Acc D-sub 25 pin)

VO

^fN




^ru
kçKN=E^ÅÅ=aJëìÄ=OR
F

93

AI2

I

Aux input No.2 (Acc D-sub 25 pin)

VP

^fO




^ru
kçKO=E^ÅÅ=aJëìÄ=OR
F

94

AVss

–

GND

VQ

^sëë

J

!"#$%&'




95

AI3

I

Aux input No.3 (Acc D-sub 25 pin)

VR

^fP




96

Vref

–

5V

VS

sêÉÑ

J

Rs

97

AVcc

–

5V

VT

^sÅÅ

J

Rs

98

STB1

O

Display shift register STB

VU

pq_N





 !"#$pq_

Shift register common OE

VV

plb







Aux I/O No.6 (Acc D-sub 25 pin)

NMM

flS

99

SOE

O

100

IO6

I/O

^ru
kçKP=E^ÅÅ=aJëìÄ=OR
F

!"#$lb


L
 ^ru
L
kçKS=E^ÅÅ=aJëìÄ=OR
F

27

TKR-750
SEMICONDUCTOR DATA / 
 !"
DSP : 320VC5402PGE (TX-RX unit IC618)

apm
POMs`RQMOmdb=EquJou
f`SNUF

■ Pin Function


 


!





==



L


Not used (No connection)

N

O

k`N

k`O

J


 =E


–

GND

P

sëë

J




DVDD

–

VDD for I/O pins (+3.3V)

Q

asaa

J


L


5

A0

O

Not used (No connection)

R

^M

6

HD0

I/O

HPI data bus

S

eaM

7~11

A1~A5

O

Not used (No connection)

T
NN

^N
^R

12

NC3

–

Not used (No connection)

NO

13

HAS

I

HPI address strobe (Pull up)

14

Vss

–

15

NC4

16

Pin No.

Name

I/O

1,2

NC1,NC2

–

3

Vss

4

Function






F

!"saa=EHPKPsF


 =E



L
 emf


F

!





 =E


F

k`P

J


 =E


F

NP

e^p




GND

NQ

sëë

J




–

Not used (No connection)

NR

k`Q

J


 =E


CVDD

–

VDD for core CPU (+1.8V)

NS

`saa

J


`mr
saa=EHNKUsF

17

HCS

I

HPI chip select

NT

e`p




emf


18

HR/W

I

HPI read/write

NU

eoLt




emf
L


19

READY

I

Data ready (Pull up)

NV

ob^av







20

PS

O

Not used (No connection)

OM

mp





 =E


F

21

DS

O

Not used (No connection)

ON

ap





 =E


F

22

IS

O

Not used (No connection)

OO

fp





 =E


F

23

R/W

O

Not used (No connection)

OP

oLt





 =E


F

24

MSTRB

O

Not used (No connection)

OQ

jpqo_





 =E


F

25

IOSTRB

O

Not used (No connection)

OR

flpqo_





 =E


F

26

MSC

O

Not used (No connection)

OS

jp`





 =E


F

27

XF

O

CODEC control

OT

uc




`lab`


H : Power down, L : Active

!=E
F

emf


e


F

!=E
F

!"#=i


28

HOLDA

–

Not used (No connection)

OU

elia^

J


 =E


F

29

IAQ

–

Not used (No connection)

OV

f^n

J


 =E


F

30

HOLD

I

Hold (Pull up)

PM

elia





=E
F

31

BIO

I

Serial data syncronize input

PN

_fl







32

MP/MC

I

Not used (Pull down)

PO

jmLj`





 =E
F

33

DVDD

–

VDD for I/O pins (+3.3V)

PP

asaa

J


L


34

Vss

–

GND

PQ

sëë

J




35~38

NC5~NC8

–

Not used (No connection)

PR
PU

k`R
k`U

J


 =E


39

HCNTL0

I

HPI control 0

PV

e`kqiM

40

Vss

–

GND

QM

sëë

41

BCLKR0

I

Receive clock input

QN

_`ihoM




!"saa=EHPKPsF

F










!"#

Ep`ih
RNSKMVPTRâeòF

42

BCLKR1

–

Not used (No connection)

QO

_`ihoN

43

BFSR0

I

Frame sync. for receiver input

QP

_cpoM

(LRCK : 16.128kHz)

!"#$%

kmf
M

J

(SCLK : 516.09375kHz)

28




J




 =E




F

!"#$%&

Eio`h
NSKNOUâeòF

TKR-750
SEMICONDUCTOR DATA / 
 !"
Pin No.
44

Name
BFSR1

I/O
I

Function
Frame sync. for receiver input



QQ


==

_cpoN


L




(LRCK : 16.128kHz)






!"#$%&

Eio`h
NSKNOUâeòF

45

BDR0

I

Serial data receive input

QR

_aoM







46

HCNTL1

I

HPI control 1

QS

e`kqiN




emf
N

47

BDR1

–

Not used (No connection)

QT

_aoN

48

BCLKX0

I

Transmit clock input

QU

_`ihuM

J



(SCLK : 516.09375kHz)
49

BCLKX1

O

Master clock output

QV

_`ihuN




Vss

–

GND

RM

sëë

51

HINT/TOUT1

O

Boot mode select (Pull up)

RN

efkqLqlrqN

52

CVDD

–

VDD for core CPU (+1.8V)

RO

`saa

J

53

BFSX0

I

Frame sync. for transmitter input

RP

_cpuM




J

Frame sync. for transmitter input






F

!"#
!"






(LRCK : 16.128kHz)
I


 =E


Ej`ih
QKNOUTRjeòF

50

BFSX1

!"#$%

Ep`ih
RNSKMVPTRâeòF

(MCLK : 4.12875MHz)

54




!"#=E
F


`mr
saa=EHNKUsF



!"#$%&

Eio`h
NSKNOUâeòF
RQ

_cpuN




(LRCK : 16.128kHz)




!"#$%&

Eio`h
NSKNOUâeòF

55

HRDY

–

Not used (No connection)

RR

eoav

J


 =E


56

DVDD

–

VDD for I/O pins (+3.3V)

RS

asaa

J


L


57

Vss

–

GND

RT

sëë

J




58

HD1

I/O

HPI data bus

RU

eaN

59

BDX0

O

Serial data transmit output

RV

_auM




60

BDX1

–

Not used (No connection)

SM

_auN

J


 =E


F

61

IACK

–

Not used (No connection)

SN

f^`h

J


 =E


F

62

HBIL

I

Byte identification (HPI)

SO

e_fi







63

NMI

I

Not used (Pull up)

SP

kjf





 =E
F

64

INT0

I

Command interrupt from host CPU

SQ

fkqM





 `mr


65

INT1

I

Not used (Pull up)

SR

fkqN





 =E
F

66

INT2

I

Boot mode select (Pull up)

SS

fkqO







67

INT3

I

Not used (Pull up)

ST

fkqP





 =E
F

68

CVDD

–

VDD for core CPU (+1.8V)

SU

`saa

69

HD2

I/O

HPI data bus

SV

eaO

70

Vss

–

GND

TM

sëë

J




71~74

NC9~NC12

–

Not used (No connection)

TN
TQ

k`V
k`NO

J


 =E


75

DVDD

–

VDD for I/O pins (+3.3V)

TR

asaa

J


L


76

Vss

–

GND

TS

sëë

J




77

CLKMD1

I

Clock mode select (Pull down)

TT

`ihjaN







!"#=E
F

78

CLKMD2

I

Clock mode select (Pull up)

TU

`ihjaO







!"#=E
F

79

CLKMD3

I

Clock mode select (Pull down)

TV

`ihjaP







!"#=E
F

80

NC13

–

Not used (No connection)

UM

k`NP

81

HD3

I/O

HPI data bus

UN

eaP


L
 emf


J




!"saa=EHPKPsF
!

!"#$%

!=EemfF
!"

!"#=E
F


`mr
saa=EHNKUsF


L
 emf


J

F

!

!"saa=EHPKPsF


 =E



L
 emf


F

F

!

29

TKR-750
SEMICONDUCTOR DATA / 
 !"
Pin No.

30

Name

I/O

82

TOUT0

–

83

EMU0

84

Function





==



L





 =E





Not used (No connection)

UO

qlrqM

I/O

Emulator 0 (to JTAG connector)

UP

bjrM

EMU1/OFF

I/O

Emulator 1 (to JTAG connector)

UQ

bjrNLlcc 
L
 
 N=E
gq^d
 F

85

TDO

O

Test data output (to JTAG connector)

UR

qal







!"#=E
gq^d
 F

86

TDI

I

Test data input (to JTAG connector)

US

qaf







!"#=E
gq^d
 F

87

TRST

I

Test reset (to JTAG connector)

UT

qopq







!=E
gq^d
 F

88

TCK

I

Test clock (to JTAG connector)

UU

q`h







!=E
gq^d
 F

89

TMS

I

Test mode select (to JTAG connector)

UV

qjp







!"#=E
gq^d
 F

90

NC14

–

Not used (No connection)

VM

k`NQ

J


 =E


91

CVDD

–

VDD for core CPU (+1.8V)

VN

`saa

J


`mr
saa=EHNKUsF

92

HPIENA

I

Not used (Pull up)

VO

emfbk^

93

Vss

–

GND

VP

sëë

94

CLKOUT

O

Not used (No connection)

VQ

`ihlrq

95

HD4

I/O

HPI data bus

VR

eaQ

96

X1

–

16.515MHz (System clock)

VS

uN

J

NSKRNRjeò=E


!F

97

X2/CLKIN

–

16.515MHz (System clock)

VT

uOL`ihfk

J

NSKRNRjeò=E


!F

98

RS

I

DSP reset input

VU

op

99~104

D0~D5

–

Not used (No connection)

VV
NMQ

aM
aR

105

A6

O

Not used (No connection)

NMR

106

Vss

–

GND

107~109

A7~A9

O

110

NC15

111

J

F


L
 
 M=E
gq^d
 F



J




 =E
F



 =E



L
 emf





F

apm


F

!

!

J


 =E


F

^S





 =E


F

NMS

sëë

J

Not used (No connection)

NMT
NMV

^T
^V

–

Not used (No connection)

NNM

Vss

–

GND

112

DVDD

–

113~119

D6~D12

–

120

HD5

121~123

D13~D15

124

HD6

125

CVDD

126








 =E


F

k`NR

J


 =E


F

NNN

sëë

J




VDD for I/O pins (+3.3V)

NNO

asaa

J


L


Not used (No connection)

NNP
NNV

aS
aNO

J


 =E


HPI data bus

NOM

eaR

Not used (No connection)

NON
NOP

aNP
aNR

HPI data bus

NOQ

eaS

–

VDD for core CPU (+1.8V)

NOR

`saa

J


`mr
saa=EHNKUsF

NC16

–

Not used (No connection)

NOS

k`NS

J


 =E


127

HDS1

I

HPI data strobe 1 (Pull up)

NOT

eapN




128

Vss

–

GND

NOU

sëë

129

HDS2

I

HPI data strobe 2 (Pull down)

NOV

eapO




130

DVDD

–

VDD for I/O pins (+3.3V)

NPM

asaa

J

131~134

A10~A13

O

Not used (No connection)

NPN
NPQ

^NM
^NP

135

HD7

I/O

HPI data bus

NPR

eaT

136~141

A14~A19

O

Not used (No connection)

NPS
NQN

^NQ
^NV

142

CVDD

–

VDD for core CPU (+1.8V)

NQO

`saa

J


`mr
saa=EHNKUsF

143,144

NC17,NC18

–

Not used (No connection)

NQP
NQQ

`kNT
`kNU

J


 =E


I/O
–
I/O


L
 emf

J




emf


F

!

F

!N=E
F



emf


L


!O=E
F
!"saa=EHPKPsF


 =E



L
 emf




F

!


 =E



L
 emf


J

!"saa=EHPKPsF

F

!


 =E


F

F

TKR-750
COMPONENTS DESCRIPTION / 
 !



Final Unit (X45-373X-XX)
Ref. No.
IC1

Part name
IC

Description

!=EuQRJPTPuJuuF


 
 
 



 
 
 





DC amplifier

f`N




!

a`


IC2

IC

Thermostat

f`O




!




IC3

IC

Voltage reguator

f`P




!




Q2,3

Transistor

RF amplifier

nO

P




Q4

FET

TX drive amplifier

nQ




!"#

qu


Q5

FET

Final amplifier

nR




!"#




Q8,9

Transistor

DC switch

nU

V




a`


D1

Diode

Thermal sense

aN







!

D2

Zener diode

Voltage reference

aO







!

D4,5

Diode

RF detector

aQ

R







!"

D6

Diode

Surge absorption

aS







!

D7

Zener diode

Surge protector

aT







!

D8

Diode

Reverse current protector

aU







!"#




!"

!"

!"
!"
!"

!"

D9

Varistor

Current protector

aV







!"

D51,52

Diode

Reverse connection protection

aRN

RO







!"#

D53,55,56

Diode

RF swiwtch

aRP

RR
RS




oc





Display Unit (X54-3330-21)
Ref. No.

Part name

Description

!=EuRQJPPPMJONF


 
 
 



 
 
 


!"#

!




!"

!




MOS IC

MIC amplifier

f`RMN

jlp


IC502~505

IC

Shift register

f`RMO
RMR




!






IC501

IC506,507

IC

Voltage regulator

f`RMS

RMT




Q501,502

Transistor

Level controller

nRMN

RMO




Q503,504

FET

DC switch

nRMP

RMQ




Q506

Transistor

DC switch

nRMS




Q507

FET

DC switch

nRMT




Q508~511

Transistor

DC switch

nRMU
RNN




Q512~514

FET

DC switch

nRNO
RNQ




!"#

a`


Q516~519

FET

DC switch

nRNS
RNV




!"#

a`


!"#

a`




!"#

!"

a`

!"#

a`

a`


FET

DC switch

nRON
ROR




D501,502

Diode

AF detector

aRMN
RMO







D503~505

LED

LED

aRMP
RMR

iba

iba

D506,507

LED

7 segment

aRMS
RMT

iba

T


!"

D508~514

Diode

Surge absorption

aRMU
RNQ







!

D601,602

Diode

Surge absorption

aSMN
SMO







!

D603

Varistor

Current protector

aSMP







!"

Ref. No.

Part name




a`


Q521~525

TX-RX Unit (X57-695X-XX)




quJou
=EuRTJSVRuJuuF
Description


 
 
 



 
 
 





IC1,2

IC

Buffer amplifier

f`N

O




!




IC3~5

IC

Voltage regulator

f`P
R




!




IC6

IC

D/A converter

f`S




!


L





!"
!

31

TKR-750
COMPONENTS DESCRIPTION / 
 !
Ref. No.

32

Part name

Description


 
 
 



 
 
 





IC7

IC

Shift register

f`T




!




!"

IC9

IC

FM IF system

f`V




!

cj


!

IC10,11

IC

Voltage regulator

f`NM
NN




!




IC600

IC

EEPROM

f`SMM




!

bbmolj

IC601

IC

Voltage detector

f`SMN




!




!"

IC602

IC

Shift register

f`SMO




!




!"

IC603

IC

Bus transceiver

f`SMP




!




!"

IC604

IC

CPU

f`SMQ




!

`mr

IC605

IC

Multiplexer

f`SMR




!




!"

IC606

IC

Bus transceiver

f`SMS




!




!"
!"

IC607,608

IC

AF amplifier

f`SMT

SMU




!




IC609

IC

Flash ROM

f`SMV




!

ci^pe=olj

IC610,611

IC

AF amplifier

f`SNM

SNN




!




IC612

IC

Inverter

f`SNO




!




IC613

IC

Counter

f`SNP




!




IC614

IC

CODEC

f`SNQ




!




IC615

IC

D/A converter

f`SNR




!


L


IC616,617

IC

AF amplifier

f`SNS

SNT




!




IC618

IC

DSP

f`SNU




!

apm

IC619

IC

AF amplifier

f`SNV




!




IC620

IC

RS-232C tranceiver

f`SOM




!

opJOPO`


IC621

IC

NAND gate

f`SON




!

k^ka


!"

!
!

!"
!"

IC622

IC

Multiplexer

f`SOO




!




!"

IC623

IC

Shift register

f`SOP




!




!"

IC624~628

IC

Voltage regulator

f`SOQ
SOU




!




IC629

IC

AF power amplifier

f`SOV




!




IC630

IC

Voltage regulator

f`SPM




!




IC631,632

IC

AF amplifier

f`SPN

SPO




!




!"

Q1~3

Transistor

RF amplifier

nN
P







!"

Q4

Transistor

Wide/Narrow switch

nQ





L


Q5,6

Transistor

DC switch

nR

S




a`


Q7

Transistor

Noise amplifier

nT







!"

Q8,9

Transistor

RF amplifier

nU

V







!"

Q10

Transistor

Current control

nNM







!

Q11

Transistor

RF amplifier

nNN







!"

Q12~15

Transistor

Ripple filter

nNO
NR







!

Q16~19

Transistor

DC switch

nNS
NV




a`


Q23~26

Transistor

DC switch

nOP
OS




a`


Q27

Transistor

Wide/Narrow switch

nOT




Q600

FET

DC switch

nSMM




Q601

Transistor

DC switch

nSMN




Q602

FET

DC switch

nSMO




Q603

Transistor

Inverter

nSMP




!"#$


L

!"#

a`

a`


!"#

a`







TKR-750
COMPONENTS DESCRIPTION / 
 !
Ref. No.

Part name

Description


 
 
 



 
 
 

!"#




Q604

FET

DC switch

nSMQ




Q605

Transistor

Inverter

nSMR







a`


Q606

Transistor

AF mute switch

nSMS







Q607~609

Transistor

DC switch

nSMT
SMV




a`


Q610

FET

DC switch

nSNM




Q611,612

Transistor

DC switch

nSNN

SNO




a`


Q613,614

Transistor

Current control

nSNP

SNQ







Q615

Transistor

DC switch

nSNR




a`


D1~4

Diode

Wide/Narrow switch

aN
Q





L


D5

Diode

Noise detection

aR







!"#


!"

a`


!

!

D7

Diode

DC switch

aT




a`


D8

Diode

TX switch

aU




qu


D11

Zener diode

Surge protector

aNN




D12

Diode

DC switch

aNO




a`


!"




!

D13

Diode

Noise detection

aNP







!

D600

Diode

Surge protector

aSMM







!

D606~612

Diode

Surge protector

aSMS
SNO







!

D614~616

Diode

Surge protector

aSNQ
SNS







!

D618~623

Diode

Surge protector

aSNU
SOP







!

D626

Variistor

Current protector

aSOS







!"

D627,628

Diode

Reverse current protector

aSOT
SOU







!"#$

D629

Diode

Surge protector

aSOV







!

RX VCO Unit (X58-4780-10)
Ref. No.

Part name

Description

ou=s`l
=EuRUJQTUMJNMF

 
 
 



 
 
 


f`PMM




Transistor

Buffer amplifier

nPMM
PMO




FET

VCO OSC

nPRM

PRN




Q352~354

Transistor

DC switch

nPRO
PRQ




a`


Q355

Transistor

Buffer amplifier

nPRR







!"

D350~353

Varicap

Frequency control

aPRM
PRP







!

IC

Q300~302
Q350,351

TX VCO Unit (X58-4790-10)
Ref. No.

Part name

Description

!




PLL

IC300




mii



!"#

!"




!"

s`l


qu=s`l
=EuRUJQTVMJNMF

 
 
 



 
 
 

!




IC300

IC

PLL

f`PMM




Q300,301

Transistor

Active filter

nPMM

PMN







!"

Q302

Transistor

Buffer amplifier

nPMO







!"

Q350,351

FET

VCO OSC

nPRM

PRN




Q352~354

Transistor

DC switch

nPRO
PRQ




a`


Q355

Transistor

Buffer amplifier

nPRR







!"

D350~353

Varicap

Frequency control

aPRM
PRP




!"




!

D354,355

Varicap

Modulation

aPRQ
PRR




!"




!"#




mii

s`l


33

TKR-750
PARTS LIST / 

CAPACITORS
CC 45 TH 1H 220 J
1
2
3
4
5
6
1 = Type ... ceramic, electrolytic, etc.
2 = Shape ... round, square, etc.
3 = Temp. coefficient

CC45
4 = Voltage rating
5 = Value
6 = Tolerance

• Temperature coefficient
1st Word
C
L
P
R
S
Color*
Black Red Orange Yellow Green
ppm/°C
0
–80
–150 –220 –330
• Tolerance (More than 10pF)
Code
C
D
G
J
(%) ±0.25 ±0.5 ±2
±5

• Voltage rating
2nd word A
1st word
0
1.0
1
10
2
100
3
1000

B

K
±10

C

• Capacitor value
010 = 1pF
100 = 10pF
101 = 100pF
102 = 1000pF = 0.001µF
103 = 0.01µF

Color*

M
±20

D

E

T
Blue
–470

X
+40
–20

F

U
Violet
–750

H

J

K

1.25 1.6 2.0 2.5 3.15 4.0 5.0 6.3 8.0
12.5 16
20
25 31.5 40
50
63
80
125 160 200 250 315 400 500 630 800
1250 1600 2000 2500 2150 4000 5000 6300 8000

2

0 = 22pF
Multiplier
2nd number
1st number

2nd Word
G
H
J
K
ppm/°C
±30
±60
±120 ±250
Example : CC45TH = –470±60ppm/°C

L
±500

(Less than 10pF)
Code
B
C
D
(pF) ±0.1 ±0.25 ±0.5

Z
P
No code
+80 +100 More than 10µF : –10~+50
–20
–0 Less than 4.7µF : –10~+75

G

2

F
±1

G
±2

V
–
35
–
–

CHIP CAPACITORS
(EX) C C 7 3
F SL 1H 000
1
2
3
4
5
6
(Chip) (CH, RH, UJ, SL)

J
7

(EX) C K 7 3
F
1
2
3
(Chip) (B, F)

Z
7

F
4

1H 000
5
6

Refer to the table above.
1 = Type
2 = Shape
3 = Dimension
4 = Temp. coefficient
5 = Voltage rating
6 = Value
7 = Tolerance

RESISTORS
• Chip resistor (Carbon)
(EX) R D 7 3 E
B
1
2
3
4
(Chip) (B, F)

2B 000
5
6

J
7

• Carbon resistor (Normal type)
(EX) R D 1 4 B
B 2C 000
1
2
3
4
5
6
(Chip) (B, F)

J
7

1 = Type ... ceramic, electrolytic, etc.
2 = Shape ... round, square, etc.
3 = Dimension
4 = Temp. coefficient

34

5 = Voltage rating
6 = Value
7 = Tolerance

• Dimension
L

T

W

Chip capacitor
Code
L
Empty
5.6±0.5
A
4.5±0.5
B
4.5±0.5
C
4.5±0.5
D
3.2±0.4
E
3.2±0.2
F
2.0±0.3
G
1.6±0.2
H
1.0±0.05
Chip resistor
Code
L
E
3.2±0.2
F
2.0±0.3
G
1.6±0.2
H

1.0±0.05

• Rating wattage
Code Wattage Code
1J
1/16W
2C
2A
1/10W
2E
2B
1/8W
2H

W
5.0±0.5
3.2±0.4
2.0±0.3
1.25±0.2
2.5±0.3
1.6±0.2
1.25±0.2
0.8±0.2
0.5±0.05

T
Less than 2.0
Less than 2.0
Less than 2.0
Less than 1.25
Less than 1.5
Less than 1.25
Less than 1.25
Less than 1.0
0.5±0.05

W
1.6±0.2
1.25±0.2
0.8±0.2

T
1.0
1.0
0.5±0.1

0.5±0.05

0.35±0.05

Wattage
1/6W
1/4W
1/2W

Code
3A
3D

Wattage
1W
2W

TKR-750
PARTS LIST / 

✽ New Parts.
indicates safety critical components.
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.

L : Scandinavia
Y : PX (Far East, Hawaii)
Y : AAFES (Europe)

K : USA
T : England
X : Australia

P : Canada
E : Europe
M : Other Areas
TKR-750 (Y54-318X-XX)
FINAL UNIT (X45-373X-XX)

Ref. No.

New
Address parts

Parts No.

Destination

Description

TKR-750
1
2
3
4
5

2B
1B
1B
1D
3A

6

✽

Ref. No.

New
Address parts

Parts No.

Destination

Description

57

3F

H52-1621-02

ITEM CARTON CASE

1E
1E
1F
1B
1E

J02-0475-05
J02-0492-04
J21-8402-04
J21-8467-04
J59-0302-05

FOOT
ACCESSORY
FOOT
ACCESSORY
MOUNTING HARDWARE ACCESSORY
MOUNTING HARDWARE (DRIVE FET)
GROMMET
ACCESSORY

J61-0307-05

BAND

K01-0418-15
K29-5389-03
K29-5460-02
K29-9106-04

HANDLE
KNOB (VOLUME)
KEY TOP
KNOB (DC SOUCE)

A10-4037-21
A62-0836-04
A62-0837-04
A62-0840-03
A62-0933-13

CHASSIS
PANEL (TX/RX)
PANEL (FINAL)
PANEL (OUTER)
PANEL ASSY (INNNER)

59
60
61
64
62

3C

A62-0934-03

PANEL ASSY

-

8
9
10
11
12

1F
1F
3B
1F
2C,3D

✽
✽
✽

B10-2635-04
B11-1259-04
B42-7159-04
B62-1836-00
B72-2299-04

FRONT GLASS
ACCESSORY
FILTER
ACCESSORY
STICKER (MODEL NAME)
INSTRUCTION MANUAL
MODEL NAME-PLATE

65
66
67
68

1E
3A
3A
3A

C

12

2C,3D

✽

B72-2300-04

MODEL NAME-PLATE

C2

14
15
16
17
18

2C
1C
2C
1E
1E

E30-3414-05
E30-3418-05
E30-3419-05
E30-3427-15
E31-3228-05

DC CORD (EXIT DC IN)
ANTENNA CABLE (BNC)
ANTENNA CABLE (N)
DC CORD
ACCESSORY
TEST/SPKR PLUG ACCESSORY

A
B
C
D
E

2C
1C,2C
2A,1E
2B,2C
1C

N09-2292-05
N30-2606-46
N30-4006-46
N30-4014-46
N30-4020-45

HEXAGON HEAD SCREW
PAN HEAD MACHINE SCREW
PAN HEAD MACHINE SCREW
PAN HEAD MACHINE SCREW
PAN HEAD MACHINE SCREW

19
20
21
22
23

1B
1B
2C
3B
3A

E37-0902-05
E37-0903-05
E37-0904-05
E37-0905-15
E37-0906-05

DC WIRE (RED)
DC WIRE (BLACK)
D-SUB CABLE ASSY
SPEAKER CABLE
LEAD WIRE WITH CONNECTOR (CONT-DISP)

F
G
H
J
K

1C,2C
3B,3C
1B
1E
1C

N32-3006-46
N32-4008-45
N33-3006-45
N35-3006-45
N35-4006-45

FLAT HEAD MACHINE SCREW
FLAT HEAD MACHINE SCREW
OVAL HEAD MACHINE SCREW
BINDING HEAD MACHINE SCREW ACCESSORY
BINDING HEAD MACHINE SCREW

24
25
26
27
28

3A
2B
1B
2B
2C

E37-0908-05
E37-0909-05
E37-0911-05
E37-0912-05
E37-0913-05

LEAD WIRE WITH CONNECTOR (11P)
LEAD WIRE WITH CONNECTOR (8P)
LEAD WIRE WITH CONNECTOR (3P)
COAXIAL CABLE
TEST/SPKR CONNECTOR ASSY

L
M
N
O
P

1B,3B
1C
2C
3A
2B,3B

N67-3008-46
N80-2608-45
N87-2606-46
N87-3005-45
N87-3006-46

PAN HEAD SEMS SCREW
PAN HEAD TAPTITE SCREW
BRAZIER HEAD TAPTITE SCREW
BRAZIER HEAD TAPTITE SCREW
BRAZIER HEAD TAPTITE SCREW

R

2C

N90-3014-46

TP HEAD MACHINE SCREW

70

3A

T07-0247-05

SPEAKER

29
30
31
32
33

1B
2C
2C
2B
2C

E37-0934-05
E37-0964-05
E37-0965-05
E37-0967-05
E70-0402-05

DC WIRE (ORANGE)
DC BACKUP WIRE (BLACK)
DC BACKUP WIRE (RED)
FLAT CABLE (36P)
DC BACKUP TERMINAL

490-0174-05

ADHESIVE TAPE

35
36
37
-

1C,1E
2C
2C

F05-1537-05
F09-0445-05
F09-0471-05
F10-2374-04
F10-2379-04

FUSE (BLADE TYPE) (15A/32V)
CAP (D-SUB)
ACCESSORY
FAN MOTOR
SHIELDING PLATE (TX/RX)
SHIELDING CASE (TX/RX COMP)

F10-2409-04
F20-3322-04

SHIELDING CASE (TX/RX FOIL)
INSULATING SHEET (BACKUP)

G02-0576-14
G02-0885-13
G02-0894-04
G10-1263-04
G10-1264-04

FLAT SPRING
EARTH SPRING
EARTH SPRING (FINAL FET)
FIBROUS SHEET (CHASSIS)
FIBROUS SHEET (PANEL)

G10-1344-04
G10-1345-04
G13-1801-04
G13-1802-04

FIBROUS SHEET
FIBROUS SHEET
CUSHION
CUSHION

H25-0029-04
H25-0747-04
H25-0762-04
H25-2328-04

PROTECTION BAG (60/110/0.07)
PROTECTION BAG (250X350)
PROTECTION BAG (120X300)
PROTECTION BAG (80/250/0.07)

41

1C

43
45
51
46
47

1B,2B
3B
1B
2B,3B
3C,2D

56
58
48
49

3B
3B
1F
1F

52
53
54
55

1E
1F
1E
1F

✽

✽

✽

✽

✽
✽

ACCESSORY
ACCESSORY

-

✽

ACCESSORY

FINAL UNIT (X45-373X-XX) 0-10 : K,E 0-11 K2
C1,2
C3
C7
C9,10
C11

CK73GB1H102K
C90-2146-05
CK73GB1H102K
CK73GB1H102K
CC73GCH1H470J

CHIP C
ELECTRO
CHIP C
CHIP C
CHIP C

1000PF
100UF
1000PF
1000PF
47PF

K
25WV
K
K
J

C12
C13
C14,15
C16
C19

CK73GB1H102K
CK73FB1E104K
CK73GB1H102K
CK73FB1H102K
C93-0603-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
0.10UF
1000PF
1000PF
1000PF

K
K
K
K
K

C21
C22
C27
C28
C29

C93-0564-05
C93-0568-05
CK73FB1H102K
CK73GB1H102K
C93-0603-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

22PF
47PF
1000PF
1000PF
1000PF

J
J
K
K
K

C30
C31
C32
C35
C37

C93-0573-05
C93-0565-05
C93-0603-05
CK73GB1H102K
CK73FB1E474K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

120PF
27PF
1000PF
1000PF
0.47UF

J
J
K
K
K

35

TKR-750
PARTS LIST / 

FINAL UNIT (X45-373X-XX)
Ref. No.

New
Address parts

Parts No.

Destination

Description

Ref. No.

New
Address parts

Parts No.

Destination

Description

L6
L7
L8
L8
L9-11

L34-4520-05
L34-4523-05
L34-4517-05
L34-4518-05
L34-4520-05

AIR-CORE COIL
AIR-CORE COIL
AIR-CORE COIL
AIR-CORE COIL
AIR-CORE COIL

J
K
J
K
25WV

L12
L16
L17
L19
L20

L34-4523-05
L40-1575-92
L40-1875-92
L34-4667-05
L34-4744-05

AIR-CORE COIL
SMALL FIXED INDUCTOR (15NH)
SMALL FIXED INDUCTOR (18NH)
AIR-CORE COIL
AIR-CORE COIL

1000PF
1000PF
1000PF
9.0PF
22PF

K
K
K
D
J

R1
R6
R7
R8
R9

RK73FB2A100J
RK73GB1J220J
RK73GB1J822J
RK73FB2A100J
RK73FB2A560J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

10
22
8.2K
10
56

J
J
J
J
J

1/10W
1/16W
1/16W
1/10W
1/10W

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

39PF
27PF
1000PF
100PF
1000PF

J
J
K
J
K

R10
R11
R13
R14
R15

RK73FB2A151J
RK73GB1J472J
RK73GB1J471J
R92-0700-05
R92-0686-05

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

150
4.7K
470
180
33

J
J
J
J
J

1/10W
1/16W
1/16W
1/2W
1/2W

C92-0777-05
CM73F2H102J
CC73FCH1H180J
CK73GB1H102K
C90-4016-05

ELECTRO
CHIP C
CHIP C
CHIP C
ELECTRO

1000UF
1000PF
18PF
1000PF
47UF

25WV
J
J
K
16WV

R16
R17
R18
R18
R19

R92-0700-05
RK73FB2A154J
RK73EB2B101J
RK73EB2B470J
RK73FB2A104J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

180
150K
100
47
100K

J
J
J
J
J

1/2W
1/10W
1/8W
1/8W
1/10W

C103
C105
C106-109
C110
C112

CC73GCH1H101J
CC73GCH1H101J
CK73GB1H102K
C92-0628-05
C93-0560-05

CHIP C
CHIP C
CHIP C
CHIP-TAN
CHIP C

100PF
100PF
1000PF
10UF
10PF

J
J
K
10WV
D

R20,21
R22
R23,24
R25
R26

R92-1252-05
R92-1213-05
RK73FB2A104J
RK73GB1J473J
RK73GB1J101J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
100
100K
47K
100

J
J
J
J
J

1/16W
1/2W
1/10W
1/16W
1/16W

C117
C118
C136,137
C143
C145

CM73F2H221J
CK73FB1E474K
CK73GB1H102K
CC73FCH1H330J
CC73GCH1H220J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

220PF
0.47UF
1000PF
33PF
22PF

J
K
K
J
J

R27
R28
R29
R30
R31

RK73GB1J471J
RK73GB1J474J
R92-1252-05
RK73GB1J683J
RK73GB1J103J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

470
470K
0 OHM
68K
10K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

C146
C160
C161,162
C163
C164

CC73GCH1H101J
CM73F2H102J
CM73F2H270J
C93-0570-05
CM73F2H820J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

100PF
1000PF
27PF
68PF
82PF

J
J
J
J
J

R32
R34
R35
R36
R38

RK73GB1J104J
R92-1252-05
RK73GB1J104J
R92-1252-05
RK73GB1J333J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

100K
0 OHM
100K
0 OHM
33K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

C165
C166
C167
C168-171
C172

CK73FB1H102K
CC73GCH1H220J
CC73GCH1H101J
CC73GCH1H220J
CC73GCH1H101J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
22PF
100PF
22PF
100PF

K
J
J
J
J

R40
R41
R45
R48
R49

R92-1204-05
R92-1252-05
RK73GB1J101J
RK73GB1J471J
R92-1217-05

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

100
0 OHM
100
470
0 OHM

J
J
J
J

1/4W
1/16W
1/16W
1/16W

C173
C173
C174

C93-0563-05
C93-0565-05
CC73FCH1H270J

CHIP C
CHIP C
CHIP C

18PF
27PF
27PF

J
J
J

CN1
CN3
CN4
CN5
CN6-8

E04-0154-05
E40-5632-05
E40-3246-05
E40-5703-05
E23-0462-05

PIN SOCKET
PIN ASSY
PIN ASSY
PIN ASSY
TERMINAL

R50
R52,53
R55
R56
R57

RK73EB2B222J
RK73GB1J102J
RK73GB1J102J
R92-1317-05
RK73GB1J224J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

2.2K
1.0K
1.0K
18
220K

J
J
J
J
J

1/8W
1/16W
1/16W
1W
1/16W

FUSE

CHIP R
RESISTOR
CHIP R
CHIP R
CHIP R

0 OHM
5.6
0 OHM
0 OHM
120

1/16W
5W

F53-0217-05

R92-1252-05
R92-2687-05
R92-0670-05
R92-1252-05
R92-1205-05

J
J

F1

R60
R61
R62,63
R64
R70

J
J

1/16W
1/4W

CN51,52

J13-0071-05

FUSE HOLDER

L2
L3
L4,5

L40-4775-34
L40-6875-34
L34-4518-05

SMALL FIXED INDUCTOR (47NH)
SMALL FIXED INDUCTOR (68NH)
AIR-CORE COIL

R71
R72
R73
VR1

R92-0670-05
R92-1214-05
R92-1252-05
R12-6427-05

CHIP R
0 OHM
CHIP R
120
J
CHIP R
0 OHM J
TRIMMING POT. (47K)

1/2W
1/16W

C39
C42
C43,44
C46
C47

CK73GB1H102K
CK73FB1H223K
CK73GB1H102K
C93-0603-05
CM73F2H360J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
0.022UF
1000PF
1000PF
36PF

K
K
K
K
J

C49
C53
C54
C55
C57

C93-0564-05
CK73FB1H473K
CM73F2H102J
CK73GB1H103K
C90-2143-05

CHIP C
CHIP C
CHIP C
CHIP C
ELECTRO

22PF
0.047UF
1000PF
0.010UF
47UF

C60
C64
C68
C69,70
C71,72

CK73GB1H102K
CK73GB1H102K
CK73GB1H102K
C93-0559-05
C93-0564-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

C74
C77
C80-87
C89
C90

C93-0567-05
C93-0565-05
CK73GB1H102K
CC73GCH1H101J
CK73GB1H102K

C91
C92
C96
C98
C99

36

C2

C
C2

C2
C

C
C2

TKR-750
PARTS LIST / 

Ref. No.

New
Address parts

Parts No.

Destination

Description

K1

S76-0426-05

RELAY

D1
D2
D4,5
D6
D7

1SS226
02DZ6.2(Y)
HSM88AS
1SS355
ZSA5A27

DIODE
ZENER DIODE
DIODE
DIODE
ZENER DIODE

D8
D9
D51,52
D53
D55,56

RB051L-40
MINISMDC050-02
DSA3A1
MA4PH633
XB15A709

DIODE
VARISTOR
DIODE
DIODE
DIODE

IC1
IC2
IC3
Q2
Q3

TA75W01FU
MAX6502UKP035
NJM78L05UA
2SC3356(R24)
2SC3357

MOS-IC
ANALOGUE IC
BI-POLAR IC
TRANSISTOR
TRANSISTOR

Q4
Q5
Q8
Q9
TH1

PD55003S
RD70HVF1-01
2SC4116(Y)
DTD123EK
PTH9M04BE471TS

DRIVE FET
FINAL FET
TRANSISTOR
DIGITAL TRANSISTOR
THERMISTOR

DISPLAY UNIT (X54-3330-21)

Ref. No.

New
Address parts

FINAL UNIT (X45-373X-XX)
DISPLAY UNIT (X54-3330-21)
TX-RX UNIT (X57-695X-XX)
Parts No.

Destination

Description

R508
R509
R510
R511,512
R513

RK73GB1J102J
RK73GB1J103J
RK73GB1J224J
RK73GB1J103J
RK73GB1J104J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
10K
220K
10K
100K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R514
R516
R517
R518,519
R520-526

RK73GB1J154J
R92-2565-05
R92-2023-05
R92-2565-05
R92-2023-05

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

150K
1.2K
820
1.2K
820

J
J
J
J
J

1/16W
1/2W
1/2W
1/2W
1/2W

R529-540
R541-544
R601
R604,605
R606

RK73GB1J102J
RK73GB1J103J
RK73GB1J681J
RK73GB1J102J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
10K
680
1.0K
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

VR501
VR601

R32-0643-05
R31-0630-05

SEMI FIXED VARIABLE RESISTOR
VARIABLE RESISTOR

S501-506
S507

S70-0410-15
S68-0410-05

TACT SWITCH
PUSH SWITCH

D501,502
D506,507
D508-514
D601,602
D603

HSM88AS
LA-501DD
DA204U
DA204U
MINISMDC020

DIODE
LED
DIODE
DIODE
VARISTOR

IC501
IC502-505
IC506,507
Q501
Q502

NJM4558E
BU4094BCFV
TA78L05F
2SC4116(Y)
2SA1586(Y,GR)

MOS-IC
MOS-IC
MOS-IC
TRANSISTOR
TRANSISTOR

Q503,504
Q506
Q507
Q508-511
Q512-514

UPA672T
DTA114EUA
UPA672T
DTA114EUA
UPA672T

FET
DIGITAL TRANSISTOR
FET
DIGITAL TRANSISTOR
FET

Q516-519
Q521-524
Q525

UPA672T
UPA672T
2SK1824

FET
FET
FET

D503-505

B30-2151-05

LED (RED/GREEN)

C501
C502,503
C504,505
C506
C507,508

C92-0628-05
C92-0501-05
CK73GB1C104K
CC73GCH1H470J
CK73GB1C104K

CHIP-TAN
CHIP-TAN
CHIP C
CHIP C
CHIP C

10UF
1.5UF
0.10UF
47PF
0.10UF

10WV
10WV
K
J
K

C509
C510
C511,512
C513-518
C519,520

CK73GB1H103K
C92-0628-05
CK73GB1E103K
CC73GCH1H101J
CK73GB1E103K

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP C

0.010UF
10UF
0.010UF
100PF
0.010UF

K
10WV
K
J
K

C521
C522
C523
C524
C525

C92-0628-05
CK73GB1C104K
CK73FB1E334K
C92-0628-05
CK73GB1C104K

CHIP-TAN
CHIP C
CHIP C
CHIP-TAN
CHIP C

10UF
0.10UF
0.33UF
10UF
0.10UF

10WV
K
K
10WV
K

CK73FB1E334K
CC73GCH1H101J
CK73GB1H102K
CC73GCH1H101J
CC73GCH1H101J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

0.33UF
100PF
1000PF
100PF
100PF

K
J
K
J
J

C1
C2
C3
C4
C5

CC73GCH1H060D
CC73GCH1H390J
CC73GCH1H020C
CC73GCH1H0R5C
CC73GCH1H060D

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

6.0PF
39PF
2.0PF
0.5PF
6.0PF

D
J
C
C
D

C607

CK73GB1C104K

CHIP C

0.10UF

K

E40-6140-05
E40-6102-05
E40-6141-05
E08-0877-05

PIN ASSY
PIN ASSY
PIN ASSY
MODULAR JACK

CC73GCH1H080D
CC73GCH1H390J
CK73GB1H103K
CK73GB1H102K
CC73GCH1H101J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

8.0PF
39PF
0.010UF
1000PF
100PF

D
J
K
K
J

C2

CN501
CN502
CN601
J601

C5
C6
C7
C8,9
C10

-

J31-0543-05

COLLAR (LH-5-1.5)

RK75GB1J471J
R92-1252-05
RK73GB1J683J
RK73GB1J103J
RK73GB1J682J

CHIP-COM
CHIP R
CHIP R
CHIP R
CHIP R

CC73GCH1H060D
CC73GCH1H080D
CC73GCH1H390J
CC73GCH1H020C
CC73GCH1H0R5C

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

6.0PF
8.0PF
39PF
2.0PF
0.5PF

D
D
J
C
C

C
C2

CP501-504
R502,503
R505
R506
R507

C11
C11
C12
C13
C14
C15
C16

CC73GCH1H050C
CC73GCH1H020C

CHIP C
CHIP C

5.0PF
2.0PF

C
C

C526
C601
C602
C603
C606

✽

✽

470
0 OHM
68K
10K
6.8K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

TX-RX UNIT (X57-695X-XX) 0-11 : C 0-12 : C2

C

37

TKR-750
PARTS LIST / 

TX-RX UNIT (X57-695X-XX)
Ref. No.

New
Address parts

Parts No.

Destination

Description

Ref. No.

New
Address parts

Parts No.

Destination

Description

C106
C107
C108
C109
C110

CK73GB1H102K
CC73GCH1H150J
CC73GCH1H030C
CC73GCH1H270J
CC73GCH1H030C

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
15PF
3.0PF
27PF
3.0PF

K
J
C
J
C

J
D
J
10WV
10WV

C111
C113
C120,121
C122,123
C124,125

CC73GCH1H270J
CC73GCH1H150J
CK73GB1H102K
CK73GB1H103K
C92-1341-05

CHIP C
CHIP C
CHIP C
CHIP C
ELECTRO

27PF
15PF
1000PF
0.010UF
100UF

J
J
K
K
16WV

68PF
330PF
0.010UF
33PF
0.010UF

J
J
K
J
K

C126,127
C128,129
C130-133
C134,135
C136-139

C92-0633-05
CK73GB1H103K
CK73GB1H102K
CK73GB1H103K
C90-4016-05

CHIP-TAN
CHIP C
CHIP C
CHIP C
ELECTRO

22UF
0.010UF
1000PF
0.010UF
47UF

10WV
K
K
K
16WV

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
0.010UF
68PF
0.010UF
3.0PF

K
K
J
K
C

C140,141
C142-144
C145
C146
C147

CK73GB1H103K
CK73GB1H102K
C92-0606-05
CK73GB1H102K
C92-0633-05

CHIP C
CHIP C
CHIP-TAN
CHIP C
CHIP-TAN

0.010UF
1000PF
4.7UF
1000PF
22UF

K
K
10WV
K
10WV

CC73GCH1H040C
CC73GCH1H030C
CK73GB1H103K
CC73GCH1H680J
CK73GB1H103K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

4.0PF
3.0PF
0.010UF
68PF
0.010UF

C
C
K
J
K

C148
C149
C150
C151
C152

CK73GB1H102K
CK73GB1H103K
C92-0633-05
C92-0008-05
CK73GB1H103K

CHIP C
CHIP C
CHIP-TAN
CHIP-TAN
CHIP C

1000PF
0.010UF
22UF
3.3UF
0.010UF

K
K
10WV
16WV
K

C52
C53
C54
C55,56
C57

CK73GB1H103J
CK73GB1H102K
CK73GB1H103J
CK73GB1H103K
CK73GB1H103J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

0.010UF
1000PF
0.010UF
0.010UF
0.010UF

J
K
J
K
J

C153
C154
C155
C156
C157

CK73GB1H102K
C92-0560-05
CK73GB1H103K
CK73GB1H102K
CK73GB1H103K

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP C

1000PF
10UF
0.010UF
1000PF
0.010UF

K
6.3WV
K
K
K

C58
C59
C60
C61
C62,63

CC73GCH1H180J
CC73GCH1H150J
CK73GB1H103J
CC73GCH1H080D
CK73GB1H103K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

18PF
15PF
0.010UF
8.0PF
0.010UF

J
J
J
D
K

C158
C159,160
C161-163
C164
C166,167

C92-0008-05
CK73GB1H102K
CK73GB1H103K
CC73GCH1H471J
CK73GB1H102K

CHIP-TAN
CHIP C
CHIP C
CHIP C
CHIP C

3.3UF
1000PF
0.010UF
470PF
1000PF

16WV
K
K
J
K

C64
C65
C66,67
C68-70
C71

CK73GB1C104K
C92-0628-05
CC73GCH1H331J
CK73GB1C104K
CK73GB1H103K

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP C

0.10UF
10UF
330PF
0.10UF
0.010UF

K
10WV
J
K
K

C171,172
C173
C174
C175
C176

CK73GB1H102K
CK73GB1H103K
C92-0008-05
CK73GB1H102K
CK73GB1H103K

CHIP C
CHIP C
CHIP-TAN
CHIP C
CHIP C

1000PF
0.010UF
3.3UF
1000PF
0.010UF

K
K
16WV
K
K

C72
C73
C74
C75
C76

C92-0628-05
CK73GB1C104K
CK73GB1H102K
CK73GB1C104K
C92-0696-05

CHIP-TAN
CHIP C
CHIP C
CHIP C
CHIP-TAN

10UF
0.10UF
1000PF
0.10UF
47UF

10WV
K
K
K
10WV

C177
C178
C179
C184,185
C189,190

CK73GB1H102K
C92-0606-05
CK73GB1H103K
CK73GB1H102K
CK73GB1H102K

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP C

1000PF
4.7UF
0.010UF
1000PF
1000PF

K
10WV
K
K
K

C77
C78
C79
C80,81
C82-84

CK73GB1H102K
CK73GB1C104K
CK73FB1C224K
C92-0628-05
CK73GB1H103K

CHIP C
CHIP C
CHIP C
CHIP-TAN
CHIP C

1000PF
0.10UF
0.22UF
10UF
0.010UF

K
K
K
10WV
K

C191-195
C197
C198
C199
C204-208

CK73GB1H103K
CK73FB1H333K
CK73GB1C104K
CK73GB1H103K
CC73GCH1H101J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

0.010UF
0.033UF
0.10UF
0.010UF
100PF

K
K
K
K
J

C86
C87
C88
C89,90
C91

CK73GB1H102K
C92-0628-05
CK73GB1H102K
CK73GB1H103J
CC73GCH1H100D

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP C

1000PF
10UF
1000PF
0.010UF
10PF

K
10WV
K
J
D

C209-211
C212-214
C212,213
C214
C216

CK73GB1H103K
CC73GCH1H050C
CC73GCH1H060D
CC73GCH1H050C
CK73GB1H471K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

0.010UF
5.0PF
6.0PF
5.0PF
470PF

K
C
D
C
K

C92,93
C95
C96-99
C100
C102-105

CK73GB1H102K
CC73GCH1H150J
CK73GB1H102K
CC73GCH1H270J
CC73GCH1H100D

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
15PF
1000PF
27PF
10PF

K
J
K
J
D

C217
C218
C219
C600
C602

CK73GB1H102K
CK73GB1H103K
C92-0633-05
CK73GB1C104K
CK73GB1C104K

CHIP C
CHIP C
CHIP-TAN
CHIP C
CHIP C

1000PF
0.010UF
22UF
0.10UF
0.10UF

K
K
10WV
K
K

C17
C18
C18
C19
C19

CC73GCH1H010C
CC73GCH1H060D
CC73GCH1H090D
CC73GCH1H180J
CC73GCH1H220J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1.0PF
6.0PF
9.0PF
18PF
22PF

C
D
D
J
J

C20
C22
C23
C24
C25

CC73GCH1H101J
CC73GCH1H100D
CC73GCH1H180J
C92-0695-05
C92-0628-05

CHIP C
CHIP C
CHIP C
CHIP-TAN
CHIP-TAN

100PF
10PF
18PF
10UF
10UF

C30
C31
C32
C33
C34

CC73GCH1H680J
CC73GCH1H331J
CK73GB1H103K
CC73GCH1H330J
CK73GB1H103K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

C36
C37
C38,39
C40,41
C42,43

CK73GB1H102K
CK73GB1H103K
CC73GCH1H680J
CK73GB1H103K
CC73GCH1H030C

C44,45
C46,47
C48
C49,50
C51

38

C
C2
C
C2

C
C2
C2

TKR-750
PARTS LIST / 

TX-RX UNIT (X57-695X-XX)
Ref. No.

New
Address parts

Parts No.

Destination

Description

Ref. No.

New
Address parts

Parts No.

Destination

Description

C605
C613,614
C616
C623
C629

CK73GB1C104K
CK73GB1E103K
CK73GB1E103K
CK73GB1C104K
CC73GCH1H101J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

0.10UF
0.010UF
0.010UF
0.10UF
100PF

K
K
K
K
J

C740
C741
C742
C743
C744-746

CC73GCH1H101J
CK73GB1E103K
CK73GB1H471K
CK73GB1E103K
C92-0628-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP-TAN

100PF
0.010UF
470PF
0.010UF
10UF

J
K
K
K
10WV

C634,635
C638
C639
C640
C641

CC73GCH1H220J
CK73GB1C104K
CK73GB1E103K
C92-0628-05
CK73GB1C104K

CHIP C
CHIP C
CHIP C
CHIP-TAN
CHIP C

22PF
0.10UF
0.010UF
10UF
0.10UF

J
K
K
10WV
K

C747,748
C749
C750,751
C752
C753,754

CK73GB1E103K
CK73GB1H471K
CK73GB1E103K
CK73GB1H471K
C92-0628-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP-TAN

0.010UF
470PF
0.010UF
470PF
10UF

K
K
K
K
10WV

C642
C643
C644
C645,646
C647

CK73GB1E103K
C92-0628-05
CK73GB1E103K
C92-0628-05
CC73GCH1H101J

CHIP C
CHIP-TAN
CHIP C
CHIP-TAN
CHIP C

0.010UF
10UF
0.010UF
10UF
100PF

K
10WV
K
10WV
J

C755
C756,757
C758
C759
C760

CK73GB1H471K
C92-0628-05
CK73FB1C105K
CK73GB1H471K
CK73GB1H102K

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP C

470PF
10UF
1.0UF
470PF
1000PF

K
10WV
K
K
K

C648
C649
C652
C657
C662

CK73GB1E103K
CC73GCH1H330J
CC73GCH1H101J
CK73GB1E103K
C92-0628-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP-TAN

0.010UF
33PF
100PF
0.010UF
10UF

K
J
J
K
10WV

C761
C762,763
C764,765
C766-768
C769-771

CK73GB1C104K
CK73GB1H102K
CK73GB1E103K
CC73GCH1H101J
C92-0560-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP-TAN

0.10UF
1000PF
0.010UF
100PF
10UF

K
K
K
J
6.3WV

C663
C670
C679
C681
C684

C92-0519-05
C92-0003-05
C92-0628-05
C92-0546-05
CC73GCH1H101J

CHIP-TAN
CHIP-TAN
CHIP-TAN
CHIP-TAN
CHIP C

1.0UF
0.47UF
10UF
68UF
100PF

25WV
25WV
10WV
6.3WV
J

C772
C773
C774
C775-779
C780-782

C92-0823-05
C92-0514-05
CK73FB1C105K
C92-0519-05
CK73FB1C105K

CHIP-TAN
CHIP-TAN
CHIP C
CHIP-TAN
CHIP C

100UF
2.2UF
1.0UF
1.0UF
1.0UF

10WV
10WV
K
25WV
K

C685
C690
C691,692
C693,694
C695,696

CK73GB1E103K
CC73GCH1H101J
CK73GB1E103K
C92-0628-05
CK73GB1H471K

CHIP C
CHIP C
CHIP C
CHIP-TAN
CHIP C

0.010UF
100PF
0.010UF
10UF
470PF

K
J
K
10WV
K

C783
C784
C785,786
C787
C788

CK73GB1H471K
CK73FB1C105K
CK73GB1C104K
CK73FB1C105K
CC73GCH1H101J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

470PF
1.0UF
0.10UF
1.0UF
100PF

K
K
K
K
J

C697,698
C700,701
C703,704
C705
C706

C92-0628-05
C92-0628-05
CK73GB1C104K
CK73GB1E103K
C92-0628-05

CHIP-TAN
CHIP-TAN
CHIP C
CHIP C
CHIP-TAN

10UF
10UF
0.10UF
0.010UF
10UF

10WV
10WV
K
K
10WV

C789
C790
C791
C792-794
C795

CE04EW1E331M
CC73GCH1H101J
CK73GB1H471K
CK73GB1H102K
CC73GCH1H101J

ELECTRO
CHIP C
CHIP C
CHIP C
CHIP C

330UF
100PF
470PF
1000PF
100PF

25WV
J
K
K
J

C707-709
C710
C711
C712
C713,714

CK73GB1E103K
C92-0628-05
CK73GB1H471K
CK73GB1E103K
C92-0628-05

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP-TAN

0.010UF
10UF
470PF
0.010UF
10UF

K
10WV
K
K
10WV

C796,797
C798
C799
C800
C801

CK73GB1H102K
CE04EW1E470M
CK73GB1H102K
CE04EW1E470M
C92-0560-05

CHIP C
ELECTRO
CHIP C
ELECTRO
CHIP-TAN

1000PF
47UF
1000PF
47UF
10UF

K
25WV
K
25WV
6.3WV

C715
C716,717
C718,719
C720
C721,722

CK73GB1E103K
CK73GB1H471K
CK73GB1E103K
C92-0532-05
C92-0628-05

CHIP C
CHIP C
CHIP C
CHIP-TAN
CHIP-TAN

0.010UF
470PF
0.010UF
1.0UF
10UF

K
K
K
10WV
10WV

C802-805
C806
C807-810
C811
C812,813

CK73GB1H102K
CE04EW1E470M
CK73GB1H102K
CE04EW1E470M
CK73GB1H102K

CHIP C
ELECTRO
CHIP C
ELECTRO
CHIP C

1000PF
47UF
1000PF
47UF
1000PF

K
25WV
K
25WV
K

C723
C724
C725
C726
C727,728

CK73FB1C105K
CK73GB1H182K
CC73GCH1H470J
CC73GCH1H181J
CK73GB1E103K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1.0UF
1800PF
47PF
180PF
0.010UF

K
K
J
J
K

C814
C815
C816
C817
C818-820

C92-0777-05
CK73FB1E104K
CK73GB1H102K
CE04EW1E470M
CK73GB1H102K

ELECTRO
CHIP C
CHIP C
ELECTRO
CHIP C

1000UF
0.10UF
1000PF
47UF
1000PF

25WV
K
K
25WV
K

C729
C730,731
C732
C733
C734

C92-0628-05
CK73GB1E103K
CK73GB1H471K
C92-0628-05
CC73GCH1H270J

CHIP-TAN
CHIP C
CHIP C
CHIP-TAN
CHIP C

10UF
0.010UF
470PF
10UF
27PF

10WV
K
K
10WV
J

C821,822
C823
C824
C825
C826

CC73GCH1H101J
C92-0619-05
CK73GB1H472K
CK73GB1C104K
C92-0560-05

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP-TAN

100PF
47UF
4700PF
0.10UF
10UF

J
4WV
K
K
6.3WV

C735
C736
C737
C738
C739

CC73GCH1H150J
CK73GB1H182K
CC73GCH1H270J
CK73GB1E103K
CC73GCH1H181J

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

15PF
1800PF
27PF
0.010UF
180PF

J
K
J
K
J

C827
C828
C829
C830
C831

C92-0823-05
C92-0514-05
CK73GB1C104K
CK73GB1E103K
CK73GB1H102K

CHIP-TAN
CHIP-TAN
CHIP C
CHIP C
CHIP C

100UF
2.2UF
0.10UF
0.010UF
1000PF

10WV
10WV
K
K
K

39

TKR-750
PARTS LIST / 

TX-RX UNIT (X57-695X-XX)
Ref. No.

New
Address parts

Parts No.

Destination

Description

Ref. No.

New
Address parts

Parts No.

Destination

Description

C832,833
C834,835
C836-838
C839
C840

CK73GB1E103K
CK73GB1C104K
CK73GB1E103K
CK73GB1H271K
CK73GB1H472K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

0.010UF
0.10UF
0.010UF
270PF
4700PF

K
K
K
K
K

L41
L43
L600-608
L611-613
X1

L40-1085-92
L92-0140-05
L92-0140-05
L92-0140-05
L77-1762-05

SMALL FIXED INDUCTOR (100NH)
CHIP FERRITE
CHIP FERRITE
CHIP FERRITE
CRYSTAL RESONATOR (44.395MHZ)

C841
C842
C843,844
C851
C852

CK73FB1C105K
C92-0519-05
CK73GB1C104K
CK73GB1C104K
CK73GB1H102K

CHIP C
CHIP-TAN
CHIP C
CHIP C
CHIP C

1.0UF
1.0UF
0.10UF
0.10UF
1000PF

K
25WV
K
K
K

X2,3
X600
X601
XF1
XF2

L77-1848-05
L78-0431-05
L77-1799-05
L71-0513-05
L71-0512-05

VCXO (16.8MHZ/2.0PP)
RESONATOR (14.7456MHZ)
CRYSTAL RESONATOR (16.515MHZ)
MCF (44.85MHZ NARROW)
MCF (44.85MHZ WIDE)

CN1
CN2
CN3
CN4
CN14

E04-0154-05
E40-5538-05
E04-0154-05
E40-5538-05
E40-6009-05

PIN SOCKET
PIN ASSY
PIN SOCKET
PIN ASSY
FLAT CABLE CONNECTOR

CP600,601
CP603
CP604,605
CP606
CP607,608

R90-0725-05
R90-1019-05
R90-0725-05
R90-0719-05
R90-0725-05

MULTI-COMP
MULTI-COMP
MULTI-COMP
MULTI-COMP
MULTI-COMP

1K X2
100 X2
1K X2
4.7K X2
1K X2

CN15
CN16
CN18,19
CN600
CN601

E40-5703-05
E40-5632-05
E04-0154-05
E40-6102-05
E40-5701-05

PIN ASSY
PIN ASSY
PIN SOCKET
PIN ASSY
PIN ASSY

CP609
CP610,611
CP612-614
CP615-619
CP620

R90-1019-05
R90-0750-05
R90-0725-05
R90-0750-05
R90-1019-05

MULTI-COMP
CHIP COM 10
MULTI-COMP
CHIP COM 10
MULTI-COMP

100 X2
J
1/16W
1K X2
J
1/16W
100 X2

CN602
CN603
CN604
CN605
CN606

E40-6009-05
E40-5887-05
E40-5702-05
E40-5704-05
E40-5960-05

FLAT CABLE CONNECTOR
PIN ASSY
PIN ASSY
PIN ASSY
PIN ASSY

R1
R3
R4
R5
R6

RK73GB1J272J
RK73GB1J681J
RK73GB1J100J
RK73GB1J680J
RK73GB1J102J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

2.7K
680
10
68
1.0K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

A4-8
F1

F11-0844-05
F53-0217-05

SHIELDING CASE
FUSE

CF1
CF2
L1
L2,3
L4

L72-0366-05
L72-0376-05
L34-4616-05
L34-4666-05
L40-1295-34

CERAMIC FILTER
CERAMIC FILTER
AIR-CORE COIL
COIL
SMALL FIXED INDUCTOR (1.2UH)

R7
R8
R9
R10
R11

RK73GB1J103J
RK73GB1J333J
RK73GB1J101J
RK73GB1J473J
RK73GB1J223J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

10K
33K
100
47K
22K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

COIL
SMALL FIXED INDUCTOR (22NH)
SMALL FIXED INDUCTOR (56NH)
SMALL FIXED INDUCTOR (0.150UH)
SMALL FIXED INDUCTOR (180NH)

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47
270
18
0 OHM
470K

1/16W
1/16W
1/16W

L34-4666-05
L40-2275-34
L40-5675-34
L40-1581-37
L40-1885-34

RK73GB1J470J
RK73GB1J271J
RK73GB1J180J
R92-0670-05
RK73GB1J474J

J
J
J

L5-7
L8
L9
L10
L11

R13
R14,15
R16
R17
R18

J

1/16W

L12
L13
L14
L15
L16

L40-3381-37
L40-1005-34
L34-4527-05
L34-4526-05
L34-4527-05

SMALL FIXED INDUCTOR (0.330UH)
SMALL FIXED INDUCTOR (10UH)
COIL
COIL
COIL

R19
R20
R21
R22
R30

RK73GB1J224J
RK73GB1J824J
RK73GB1J684J
RK73GB1J471J
RK73GB1J821J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

220K
820K
680K
470
820

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

L17,18
L19
L20
L21
L22

L34-4526-05
L34-4527-05
L40-1095-34
L40-1005-34
L40-8271-34

COIL
COIL
SMALL FIXED INDUCTOR (1UH)
SMALL FIXED INDUCTOR (10UH)
SMALL FIXED INDUCTOR (82NH)

R31
R32
R33
R34
R35

RK73GB1J5R6J
RK73GB1J821J
RK73GB1J470J
RK73GB1J102J
RK73GB1J182J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

5.6
820
47
1.0K
1.8K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

L23
L24
L25
L26
L27

L40-1095-34
L34-4459-05
L40-5675-34
L40-4775-34
L40-3995-34

SMALL FIXED INDUCTOR (1UH)
COIL
SMALL FIXED INDUCTOR (56NH)
SMALL FIXED INDUCTOR (47NH)
SMALL FIXED INDUCTOR (3.9UH)

R36
R37
R38
R39
R40

RK73GB1J102J
RK73GB1J682J
R92-1252-05
RK73GB1J560J
RK73GB1J270J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
6.8K
0 OHM
56
27

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

L27,28
L28
L29-31
L32
L33

L40-1005-34
L40-1005-34
L40-3375-34
L40-1085-45
L40-1005-34

SMALL FIXED INDUCTOR (10UH)
SMALL FIXED INDUCTOR (10UH)
SMALL FIXED INDUCTOR (33NH)
SMALL FIXED INDUCTOR (0.10UH)
SMALL FIXED INDUCTOR (10UH)

R41
R42-45
R46
R47
R48

RK73GB1J222J
RK73GB1J223J
RK73GB1J222J
RK73GB1J153J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

2.2K
22K
2.2K
15K
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

L34-38
L39

L92-0140-05
L92-0158-05

CHIP FERRITE
CHIP FERRITE

R49
R50
R51
R52
R53

RK73GB1J221J
RK73GB1J153J
R92-1252-05
RK73GB1J223J
RK73GB1J682J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

220
15K
0 OHM
22K
6.8K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

40

C
C2
C

TKR-750
PARTS LIST / 

TX-RX UNIT (X57-695X-XX)
Ref. No.

New
Address parts

Parts No.

Destination

Description

Ref. No.

New
Address parts

Parts No.

Destination

Description

R54
R55
R56
R57
R58

RK73GB1J102J
RK73GB1J223J
RK73GB1J682J
RK73GB1J332J
RK73GB1J153J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
22K
6.8K
3.3K
15K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R176
R196
R197
R198
R600

RK73GB1J473J
RK73GB1J392J
RK73GB1J182J
R92-1252-05
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
3.9K
1.8K
0 OHM
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R60
R61
R62
R63
R65

RK73GB1J103J
RK73GB1J274J
RK73GB1J222J
RK73GB1J183J
RK73GB1J472J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

10K
270K
2.2K
18K
4.7K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R601
R602
R603
R604
R605

R92-0670-05
RK73GB1J472J
RK73GB1J102J
RK73GB1J333J
RK73GB1J104J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
4.7K
1.0K
33K
100K

J
J
J
J

1/16W
1/16W
1/16W
1/16W

R66
R67
R68,69
R70
R71

RK73GB1J334J
RK73GB1J560J
RK73GB1J332J
RK73GB1J102J
RK73GB1J823J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

330K
56
3.3K
1.0K
82K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R606
R607-613
R614
R615
R616

RK73GB1J473J
R92-1252-05
RK73GB1J473J
R92-1252-05
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
0 OHM
47K
0 OHM
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R72
R73
R74,75
R76
R77,78

RK73GB1J334J
RK73GB1J474J
RK73GB1J220J
RK73GB1J104J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

330K
470K
22
100K
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R618
R619
R620-622
R623,624
R625-627

R92-1252-05
RK73GB1J473J
RK73GB1J102J
R92-1252-05
RK73GB1J102J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
47K
1.0K
0 OHM
1.0K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R79
R82
R83
R87,88
R90

RK73GB1J104J
RK73GB1J474J
R92-1252-05
RK73GB1J102J
R92-1252-05

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

100K
470K
0 OHM
1.0K
0 OHM

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R629
R630,631
R633,634
R635
R637

R92-1252-05
RK73GB1J473J
RK73GB1J473J
RK73GB1J102J
R92-1252-05

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
47K
47K
1.0K
0 OHM

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R91
R92
R93
R94
R95

RK73GB1J472J
RK73GB1J182J
RK73GB1J101J
RK73GB1J470J
RK73GB1J472J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

4.7K
1.8K
100
47
4.7K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R638
R639
R640
R641
R642

RK73GB1J102J
R92-1252-05
RK73GB1J102J
R92-1252-05
RK73GB1J102J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
0 OHM
1.0K
0 OHM
1.0K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R96
R97
R98
R99
R100

RK73GB1J182J
RK73GB1J472J
RK73GB1J182J
RK73GB1J101J
RK73GB1J220J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.8K
4.7K
1.8K
100
22

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R643
R644
R645,646
R647,648
R649-651

RK73GB1J473J
RK73GB1J102J
RK73GB1J473J
RK73GB1J101J
RK73GB1J102J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
1.0K
47K
100
1.0K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R104
R106
R109
R110
R111

R92-0670-05
R92-1252-05
RK73GB1J101J
RK73GB1J821J
RK73GB1J5R6J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
0 OHM
100
820
5.6

RK73GB1J101J
R92-0670-05
RK73GB1J473J
RK73GB1J102J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

100
0 OHM
47K
1.0K
47K

1/16W

1/16W
1/16W
1/16W
1/16W

R652
R653,654
R655
R656
R657-661

J

J
J
J
J

J
J
J

1/16W
1/16W
1/16W

R112
R120,121
R122,123
R124,125
R126,127

RK73GB1J821J
RK73GB1J152J
RK73GB1J100J
RK73GB1J152J
RK73GB1J100J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

820
1.5K
10
1.5K
10

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R662
R663-667
R668
R669-671
R672

RK73GB1J102J
RK73GB1J473J
RK73GB1J183J
RK73GB1J223J
RK73GB1J104J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
47K
18K
22K
100K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R128
R129,130
R137,138
R139-142
R143

RK73GB1J472J
RK73GB1J473J
RK73GB1J102J
R92-1252-05
RK73GB1J102J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

4.7K
47K
1.0K
0 OHM
1.0K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R673
R674
R675
R676
R678

RK73GB1J224J
RK73GB1J823J
RK73GB1J104J
RK73GB1J823J
RK73GB1J104J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

220K
82K
100K
82K
100K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R144
R148
R150
R151-158
R159

RK73GB1J223J
RK73GB1J223J
RK73GB1J180J
RK73GB1J102J
RK73GB1J221J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

22K
22K
18
1.0K
220

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R679,680
R681
R682
R683
R684

RK73GB1J223J
RK73GB1J183J
RK73GB1J153J
RK73GB1J124J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

22K
18K
15K
120K
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R160
R161,162
R163,164
R165
R166

RK73GB1J271J
RK73GB1J471J
RK73GB1J271J
RK73GB1J471J
RK73GB1J223J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

270
470
270
470
22K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R685,686
R687
R688-690
R691-693
R694,695

RK73GB1J104J
RK73GB1J223J
RK73GB1J473J
R92-1252-05
RK73GB1J101J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

100K
22K
47K
0 OHM
100

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

41

TKR-750
PARTS LIST / 

TX-RX UNIT (X57-695X-XX)
Ref. No.

New
Address parts

Parts No.

Destination

Description

Ref. No.

New
Address parts

Parts No.

Destination

Description

R696
R697
R698
R699
R700

RK73GB1J103J
RK73GB1J101J
RK73GB1J103J
R92-1252-05
RK73GB1J101J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

10K
100
10K
0 OHM
100

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R781
R782
R783
R785
R786

RK73GB1J471J
RK73GB1J473J
RK73GB1J102J
RK73GB1J102J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

470
47K
1.0K
1.0K
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R701
R702
R703
R704,705
R707-709

R92-1252-05
RK73GB1J473J
R92-1252-05
RK73GB1J473J
RK73GB1J223J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
47K
0 OHM
47K
22K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R787
R789
R790
R791
R793

RK73GB1J102J
RK73GB1J102J
RK73GB1J473J
RK73GB1J102J
RK73GB1J102J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
1.0K
47K
1.0K
1.0K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R710
R712
R713
R714
R715

RK73GB1J473J
RK73GB1J473J
RK73GB1J273J
RK73GB1J223J
RK73GB1J103J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
47K
27K
22K
10K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R794
R795
R798
R799
R802

RK73GB1J473J
RK73GB1J102J
RK73GB1J473J
RK73GB1J102J
RK73FB2A2R2J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
1.0K
47K
1.0K
2.2

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/10W

R717,718
R719
R720
R721
R722

RK73GB1J473J
RK73GB1J154J
RK73GB1J473J
RK73GB1J223J
RK73GB1J334J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
150K
47K
22K
330K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R803
R804
R805
R806
R807

RK73GB1J473J
RK73GB1J102J
RK73GB1J473J
RK73GB1J102J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
1.0K
47K
1.0K
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R723,724
R726
R727
R728,729
R730

R92-1252-05
RK73GB1J473J
R92-1252-05
RK73GB1J223J
RK73GB1J101J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
47K
0 OHM
22K
100

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R808
R809
R810
R811
R812

RK73GB1J102J
RK73GB1J473J
RK73GB1J102J
RK73GB1J473J
RK73GB1J223J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
47K
1.0K
47K
22K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R731
R732
R733
R734
R735

RK73GB1J472J
RK73GB1J473J
R92-1252-05
RK73GB1J473J
RK73GB1J333J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

4.7K
47K
0 OHM
47K
33K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R813,814
R815
R817
R818
R819-822

RK73GB1J473J
RK73GB1J104J
RK73GB1J101J
RK73GB1J102J
RK73GB1J103J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
100K
100
1.0K
10K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R736,737
R738
R739
R740
R741

RK73GB1J473J
RK73GB1J274J
RK73GB1J103J
RK73GB1J104J
RK73GB1J154J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

47K
270K
10K
100K
150K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R823
R824
R825,826
R827
R828

RK73GB1J474J
RK73GB1J472J
RK73GB1J824J
RK73GB1J822J
RK73GB1J273J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

470K
4.7K
820K
8.2K
27K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R742
R743
R744
R745
R747

R92-0670-05
RK73GB1J473J
RK73GB1J393J
RK73GB1J473J
RK73GB1J103J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
47K
39K
47K
10K

J
J
J
J

1/16W
1/16W
1/16W
1/16W

R829
R830
R831
R832
R833

RK73GB1J224J
RK73GB1J563J
RK73GB1J154J
RK73GB1J822J
RK73GB1J223J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

220K
56K
150K
8.2K
22K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R749-752
R753,754
R758
R760
R762

R92-1252-05
RK73GB1J473J
RK73GB1J103J
RK73GB1J122J
RK73GB1J472J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
47K
10K
1.2K
4.7K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R834
R836
R837
R839,840
R841,842

RK73GB1J332J
RK73GB1J473J
RK73GB1J332J
RK73GB1J561J
R92-0670-05

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

3.3K
47K
3.3K
560
0 OHM

J
J
J
J

1/16W
1/16W
1/16W
1/16W

R763
R764,765
R766
R767
R768

RK73GB1J103J
RK73GB1J102J
RK73GB1J122J
RK73GB1J473J
RK73GB1J122J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

10K
1.0K
1.2K
47K
1.2K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R843
R844

RK73GB1J274J
RK73GB1J334J

CHIP R
CHIP R

270K
330K

J
J

1/16W
1/16W

K1

S76-0401-05

RELAY

R771
R772
R773
R774
R775

RK73GB1J122J
RK73GB1J473J
RK73GB1J102J
RK73GB1J105J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.2K
47K
1.0K
1.0M
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

D1-4
D5
D7
D8
D11

DAN235K
MA742
1SS355
DAN235K
02DZ5.1(Y)

DIODE
DIODE
DIODE
DIODE
ZENER DIODE

R776
R777
R778
R779
R780

RK73GB1J102J
RK73GB1J473J
RK73GB1J102J
RK73GB1J473J
RK73GB1J102J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
47K
1.0K
47K
1.0K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

D12
D13
D600
D606-612
D614-616

02DZ18(X,Y)
MA742
DA204U
DA204U
DA204U

ZENER DIODE
DIODE
DIODE
DIODE
DIODE

42

TKR-750
PARTS LIST / 

TX-RX UNIT (X57-695X-XX)
RX VCO UNIT (X58-4780-10)
Ref. No.

New
Address parts

Parts No.

Description

Destination

Ref. No.

New
Address parts

Parts No.

Destination

Description

D618-623
D626
D627,628
D629
IC1

DA204U
MINISMDE190
1SS355
DA204U
NJM2904E

DIODE
VARISTOR
DIODE
DIODE
MOS-IC

Q25,26
Q27
Q600
Q601
Q602

DTC114EUA
DTC144EUA
2SK1824
DTC114EUA
2SK1824

DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
FET
DIGITAL TRANSISTOR
FET

IC2
IC3
IC4
IC5
IC6

NJM4558E
NJM78L05UA
NJM7808FA
AN8009M
M62354GP

MOS-IC
BI-POLAR IC
BI-POLAR IC
MOS-IC
MOS-IC

Q603
Q604
Q605
Q606
Q607,608

DTC114EUA
2SK1824
DTC114EUA
DTC363EU
DTC144EUA

DIGITAL TRANSISTOR
FET
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR

IC7
IC9
IC10
IC11
IC600

BU4094BCF
TK14489V
TA7808F
NJM78L05UA
AT24C08A10SI18

MOS-IC
BI-POLAR IC
ANALOGUE IC
BI-POLAR IC
ROM IC

Q609
Q610
Q611
Q612
Q613,614

DTC114EUA
2SJ506(S)
DTC114EUA
DTC144EUA
DTD123TK

DIGITAL TRANSISTOR
FET
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR

IC601
IC602
IC603
IC604
IC605

RH5VL42C
BU4094BCFV
TC74LVX4245FS
30622M4A-487GP
BU4053BCF

MOS-IC
MOS-IC
MOS-IC
MICROPROCESSOR IC
MOS-IC

Q615
TH1
TH700,701

DTC144EUA
157-503-53006
B57331V2103J

DIGITAL TRANSISTOR
THERMISTOR
THERMISTOR

A1

W02-1939-05

DBM

IC606
IC607
IC608
IC609
IC610

TC74LVX4245FS
NJM4558E
TA75S01F
AT29C020-90TI
TA75S01F

MOS-IC
MOS-IC
MOS-IC
ROM IC
MOS-IC

IC611
IC612
IC613
IC614
IC615

NJM4558E
TC7S04FU
TC74VHC4040FT
AK4550VT
M62364FP

MOS-IC
MOS-IC
MOS-IC
MOS-IC
MOS-IC

C304,305
C306
C307
C308-310
C311

CK73GB1H102K
CK73GB1H103K
CK73GB1H102K
CK73FB1E104K
C92-0001-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP-TAN

1000PF
0.010UF
1000PF
0.10UF
0.1UF

K
K
K
K
35WV

IC616,617
IC618
IC619
IC620
IC621

NJM4558E
320VC5402PGE
TC75W51FU
ADM202EARN
TC7S00FU

MOS-IC
MICROPROCESSOR IC
MOS-IC
MOS-IC
MOS-IC

C312
C313
C314
C315
C316

CC73GCH1H150J
CC73GCH1H030C
CC73GCH1H270J
CK73FB1H473K
CC73GCH1H030C

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

15PF
3.0PF
27PF
0.047UF
3.0PF

J
C
J
K
C

IC622
IC623
IC624
IC625,626
IC627,628

TC7S66FU
BU4094BCFV
XC62FP1802P
XC62FP3302P
TA78L05F

MOS-IC
MOS-IC
MOS-IC
MOS-IC
MOS-IC

C317
C318
C319
C320
C321

CC73GCH1H150J
C92-0514-05
CK73GB1H102K
C92-0514-05
CC73GCH1H470J

CHIP C
CHIP-TAN
CHIP C
CHIP-TAN
CHIP C

15PF
2.2UF
1000PF
2.2UF
47PF

J
10WV
K
10WV
J

LA4422
TA78L05F
TA75W01FU
2SC3357
2SC3356(R24)

BI-POLAR IC
MOS-IC
MOS-IC
TRANSISTOR
TRANSISTOR

C322
C323
C324
C325
C327

CK73GB1H102K
CK73FB1E224K
C92-0003-05
CC73GCH1H050C
C92-0514-05

CHIP C
CHIP C
CHIP-TAN
CHIP C
CHIP-TAN

1000PF
0.22UF
0.47UF
5.0PF
2.2UF

K
K
25WV
C
10WV

Q4
Q5
Q6
Q7
Q8

DTC144EUA
DTA144EUA
DTC144EUA
2SC4617(S)
2SC3120

DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
TRANSISTOR
TRANSISTOR

C354
C355
C356
C357
C358

CK73GB1H102K
CC73GCH1H390J
CC73GCH1H330J
CK73GB1H102K
CC73GCH1H040B

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
39PF
33PF
1000PF
4.0PF

K
J
J
K
B

Q9
Q10
Q11
Q12-15
Q16

2SC3357
2SA1586(Y,GR)
2SC3120
2SC4116(GR)
2SB1132(Q,R)

TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR

C359
C360,361
C362,363
C364,365
C366

CC73GCH1H080B
CK73FB1C474K
CC73GCH1H470J
CK73GB1H102K
CC73GCH1H180G

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

8.0PF
0.47UF
47PF
1000PF
18PF

B
K
J
K
G

Q17
Q18
Q19
Q23
Q24

DTC114EUA
2SB1386(R)
DTC114EUA
DTC114EUA
DTD114EK

DIGITAL TRANSISTOR
TRANSISTOR
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR

C367
C368
C369
C370
C371

CC73GCH1H150G
CC73GCH1H180G
CC73GCH1H150G
CC73GCH1H180G
CC73GCH1H150G

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

15PF
18PF
15PF
18PF
15PF

G
G
G
G
G

IC629
IC630
IC631,632
Q1,2
Q3

3B

RX VCO UNIT (X58-4780-10)

43

TKR-750
PARTS LIST / 

RX VCO UNIT (X58-4780-10)
TX VCO UNIT (X58-4790-10)
Ref. No.

New
Address parts

Parts No.

Destination

Description

C372,373
C374,375
C376-378
C379
C383

CK73GB1H102K
CC73GCH1H010B
CK73GB1H102K
CC73GCH1H100C
CK73GB1H102K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
1.0PF
1000PF
10PF
1000PF

K
B
K
C
K

TC350,351

C05-0396-05

CERAMIC TRIMMER CAPACITOR (8PF)

CN300
CN350
CN351

E40-5699-05
E40-5755-05
E40-6098-05

PIN ASSY
PIN ASSY
PIN ASSY

-

F10-2377-04

L300
L301,302
L303
L350-355
L356,357

Ref. No.

New
Address parts

Parts No.

Destination

Description

TX VCO UNIT (X58-4790-10)
C304,305
C306
C307
C308-310
C311

CK73GB1H102K
CK73GB1H103K
CK73GB1H102K
CK73FB1E104K
C92-0001-05

CHIP C
CHIP C
CHIP C
CHIP C
CHIP-TAN

1000PF
0.010UF
1000PF
0.10UF
0.1UF

K
K
K
K
35WV

SHIELDING CASE

C312
C313
C314
C315
C316

CC73GCH1H220J
CC73GCH1H040C
CC73GCH1H390J
CK73FB1H473K
CC73GCH1H040C

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

22PF
4.0PF
39PF
0.047UF
4.0PF

J
C
J
K
C

L92-0148-05
L40-3975-34
L40-1085-34
L33-1268-15
L34-4612-05

CHIP FERRITE
SMALL FIXED INDUCTOR (39NH)
SMALL FIXED INDUCTOR (100NH)
SMALL FIXED INDUCTOR
AIR-CORE COIL

C317
C318
C319
C320
C321

CC73GCH1H220J
C92-0514-05
CK73GB1H102K
C92-0514-05
CC73GCH1H470J

CHIP C
CHIP-TAN
CHIP C
CHIP-TAN
CHIP C

22PF
2.2UF
1000PF
2.2UF
47PF

J
10WV
K
10WV
J

L358-361
L362

L33-1268-15
L40-8271-34

SMALL FIXED INDUCTOR
SMALL FIXED INDUCTOR (82NH)

R300
R301-304
R305
R306
R308

RK73GB1J100J
RK73GB1J101J
R92-1252-05
RK73GB1J220J
RK73GB1J560J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

10
100
0 OHM
22
56

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

C322
C323
C324
C325
C329,330

CK73GB1H102K
CK73FB1E224K
C92-0003-05
CC73GCH1H050C
CK73GB1H102K

CHIP C
CHIP C
CHIP-TAN
CHIP C
CHIP C

1000PF
0.22UF
0.47UF
5.0PF
1000PF

K
K
25WV
C
K

R309
R310
R311
R312
R313

RK73GB1J221J
RK73GB1J682J
RK73GB1J223J
RK73GB1J221J
RK73GB1J222J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

220
6.8K
22K
220
2.2K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

C354
C355
C356
C357
C360,361

CK73GB1H102K
CC73GCH1H180G
CC73GCH1H270G
CK73GB1H102K
CK73FB1C474K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1000PF
18PF
27PF
1000PF
0.47UF

K
G
G
K
K

R314
R315
R316
R317,318
R319

RK73GB1J474J
RK73GB1J331J
RK73FB2A152J
R92-1252-05
RK73GB1J330J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

470K
330
1.5K
0 OHM
33

J
J
J
J
J

1/16W
1/16W
1/10W
1/16W
1/16W

C362
C363
C364,365
C366
C367

CC73GCH1H220G
CC73GCH1H180G
CK73GB1H102K
CC73GCH1H270G
CC73GCH1H180G

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

22PF
18PF
1000PF
27PF
18PF

G
G
K
G
G

R320
R321
R322
R350-353
R354,355

RK73GB1J102J
RK73GB1J223J
RK73GB1J103J
R92-1252-05
RK73GB1J330J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

1.0K
22K
10K
0 OHM
33

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

C368
C369
C370
C371
C372,373

CC73GCH1H150G
CC73GCH1H090B
CC73GCH1H150G
CC73GCH1H090B
CK73GB1H102K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

15PF
9.0PF
15PF
9.0PF
1000PF

G
B
G
B
K

R356,357
R358,359
R360-363
R364
R365

RK73GB1J271J
RK73GB1J470J
RK73GB1J472J
RK73GB1J103J
RK73GB1J473J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

270
47
4.7K
10K
47K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

C374,375
C376-378
C379
C380,381
C382,383

CC73GCH1H010B
CK73GB1H102K
CC73GCH1H100C
CC73GCH1HR75B
CK73GB1H102K

CHIP C
CHIP C
CHIP C
CHIP C
CHIP C

1.0PF
1000PF
10PF
0.75PF
1000PF

B
K
C
B
K

TC350,351

C05-0396-05

CERAMIC TRIMMER CAPACITOR (8PF)

R366
R367
R368

RK73GB1J103J
RK73GB1J221J
RK73GB1J330J

CHIP R
CHIP R
CHIP R

10K
220
33

J
J
J

1/16W
1/16W
1/16W

CN300
CN350
CN351

E40-5699-05
E40-5755-05
E40-6098-05

PIN ASSY
PIN ASSY
PIN ASSY

-

F10-2377-04

SHIELDING CASE

D350-353
IC300
IC300
Q300,301
Q302

1SV282
CD8468
SA7025DK
2SC4116(GR)
2SC4215(Y)

VARIABLE CAPACITANCE DIODE
MOS-IC
MOS-IC
TRANSISTOR
TRANSISTOR

L300
L301,302
L303
L304-307
L350-355

L92-0148-05
L40-3975-34
L40-1085-34
L92-0140-05
L33-1268-15

CHIP FERRITE
SMALL FIXED INDUCTOR (39NH)
SMALL FIXED INDUCTOR (100NH)
CHIP FERRITE
SMALL FIXED INDUCTOR

Q350,351
Q352,353
Q354
Q355

2SK508NV(K52)
2SC4116(Y)
DTC114EUA
2SC4215(Y)

FET
TRANSISTOR
DIGITAL TRANSISTOR
TRANSISTOR

L356,357
L360,361
L362

L34-4612-05
L33-1268-15
L40-8271-34

AIR-CORE COIL
SMALL FIXED INDUCTOR
SMALL FIXED INDUCTOR (82NH)

R300
R301-304
R305

RK73GB1J100J
RK73GB1J101J
R92-1252-05

CHIP R
CHIP R
CHIP R

44

10
J
100
J
0 OHM J

1/16W
1/16W
1/16W

TKR-750
PARTS LIST / 

TX VCO UNIT (X58-4790-10)
Ref. No.

New
Address parts

Parts No.

Destination

Description

R306
R308
R309
R310
R311

RK73GB1J220J
RK73GB1J560J
RK73GB1J221J
RK73GB1J682J
RK73GB1J223J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

22
56
220
6.8K
22K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R312
R313
R314
R315
R316

RK73GB1J221J
RK73GB1J222J
RK73GB1J474J
RK73GB1J331J
RK73FB2A152J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

220
2.2K
470K
330
1.5K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/10W

R317,318
R319
R320
R321
R322

R92-1252-05
RK73GB1J330J
RK73GB1J102J
RK73GB1J223J
RK73GB1J103J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
33
1.0K
22K
10K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R350-353
R354,355
R356,357
R358,359
R360-363

R92-1252-05
RK73GB1J330J
RK73GB1J471J
RK73GB1J470J
RK73GB1J472J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

0 OHM
33
470
47
4.7K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R364
R365
R366
R367
R368

RK73GB1J103J
RK73GB1J473J
RK73GB1J103J
RK73GB1J221J
RK73GB1J330J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

10K
47K
10K
220
33

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

R370,371
R372
R373
R374
R375

RK73GB1J103J
RK73GB1J223J
RK73GB1J104J
RK73GB1J223J
RK73GB1J104J

CHIP R
CHIP R
CHIP R
CHIP R
CHIP R

10K
22K
100K
22K
100K

J
J
J
J
J

1/16W
1/16W
1/16W
1/16W
1/16W

D350-353
D354,355
IC300
IC300
Q300,301

1SV282
1SV214
CD8468
SA7025DK
2SC4116(GR)

VARIABLE CAPACITANCE DIODE
VARIABLE CAPACITANCE DIODE
MOS-IC
MOS-IC
TRANSISTOR

Q302
Q350,351
Q352,353
Q354
Q355

2SC4215(Y)
2SK508NV(K52)
2SC4116(Y)
DTC114EUA
2SC4215(Y)

TRANSISTOR
FET
TRANSISTOR
DIGITAL TRANSISTOR
TRANSISTOR

Ref. No.

New
Address parts

Parts No.

Description

Destination

45

TKR-750
EXPLODED VIEW / 
 !"
A

B

3
A
B
C
D
E
F
G
H
J
K
L
M
N
O
P
R

1

: N09-2292-05
M2.6 x 6
: N30-2606-46
M4 x 6
: N30-4006-46
M4 x 14
: N30-4014-46
M4 x 20 BLK
: N30-4020-45
M3 x 6 (F)
: N32-3006-46
M4 x 8 (F) BLK
: N32-4008-45
M3 x 6 (OC) BLK
: N33-3006-45
M3 x 6 (Bi) BLK
: N35-3006-45
M4 x 6 (Bi) BLK
: N35-4006-45
M3 x 8
: N67-3008-46
M2.6 x 8 BLK
: N80-2608-45
M2.6 x 6 (Br-Tap)
: N87-2606-46
M3 x 5 (Br-Tap) BLK : N87-3005-45
M3 x 6 (Br-Tap)
: N87-3006-46
M3 x 14 (TP)
: N90-3014-46

Hx6

2
Hx6

19

20
29
64

26

Lx2

51
Px11

43
L

25

Px10
700

Final
(A/2)

27
Cx3

14

TX-RX
(A/2)

31
R

2

1
Dx3

46
Cx3

Px6
TX-RX
(B/2)

32
46

23
Ox4

24

IC629

22
Lx2

70

Gx3

Px3

67

5

58

Px5

3

45
68

66

46

Display
(A/2)

Display
(B/2)

56

10

Nx2

TKR-750
EXPLODED VIEW / 
 !"
C

D

Hx6
Kx14

4

19

702

41
701

15

Bx2
Mx4

Fx2

Ex4

37

F
nal
A/2)

Ax2

36

35x2
Nx2

14
31

Final
(B/2)

R
R

Bx2

21

47

16

33

F

30

703

28
Fx2

12

704
Dx3

705

706

12
704

47x2
706

Gx3

6
Parts with the exploded numbers larger than 700 are not supplied.

47

TKR-750
PACKING / 

E
52
59
60
62
C
J

F

Protection bag (H25-0029-04)
Foot (J02-0475-05) x 2
Foot (J02-0492-04) x 2
Grommet (J59-0302-05) x 2
Pan head machine screw (N30-4006-46) x 2
Binding head machine screw (N35-3006-45) x 5

48
49
53
61

Cushion (G13-1801-04)
Cushion (G13-1802-04)
Protetion bag (H25-0747-04)
Mounting hardware (J21-8402-04)

11 Instruction manual
(B62-1836-00)
1

65 Handle
(K01-0418-05)

17 DC cord
(E30-3427-15)
54 Protection bag
(H25-0762-04)

8

Front glass
(B10-2635-04)
9 Filter
(B11-1259-04)
55 Protection bag
(H25-2328-04)

18 TEST/SPKR plug
(E31-3228-05)
35 Fuse (Blade, 15A/32V)
(F15-1537-05)
52 Protection bag
(H25-0029-04)

710
Packing fixture

709
Carton board

713
Protection bag

2
BA
CK

UP

712
Packing fixture
711
Packing fixture

3

48

57 Item carton case
(H52-1621-02)

Parts with the exploded numbers larger than 700 are not supplied.

TKR-750
ADJUSTMENT
Test Equipment Required for Alignment
Test Equipment
1. Standard Signal Generator
(SSG)

2. Power Meter

Major Specifications
Frequency Range

136 to 174MHz

Modulation

Frequency modulation and external modulation

Output

0.1µV to greater than 1mV

Input Impedance

50Ω

Operation Frequency

136 to 174MHz or more

Measurement Capability

Vicinity of 100W

3. Deviation Meter

Frequency Range

136 to 174MHz

4. Digital Volt Meter

Measuring Range

1 to 20V DC

Accuracy

High input impedance for minimum circuit loading

Frequency Range

10Hz to 600MHz

(DVM)
5. Oscilloscope

DC through 30MHz

6. High Sensitivity
Frequency Counter

Frequency Stability

7. Ammeter
8. AF Volt Meter
(AF VTVM)
9. Audio Generator (AG)

10. Distortion Meter

11. Voltmeter

Frequency Range

50Hz to 10kHz

Voltage Range

3mV to 3V

Frequency Range

50Hz to 5kHz

Output

0 to 1V

Capability

3% or less at 1kHz

Input Level

50mV to 10Vrms

Measuring Range

10 to 1.5V DC or less

Input Impedance

50kΩ/V or greater

12. 4Ω Dummy Load

Approx. 4Ω, 5W

MIC connector (Front panel view)
8

1

0.2ppm or less
15A or more

Test cable for microphone input

1 : NC
2 : +B
3 : GND
4 : PTT/TXD1 (PC serial data from radio)
5 : MIC GND
6 : MIC
7 : HOOK/RXD1 (PC serial data to radio)
8 : NC

Plug cord
Part No. E30-3360-18

8 pin
HOOK
(GRY)

Flat cable (36-pin) about 256mm
To connect the TX-RX unit A/2 (CN14) to the TX-RX unit B/
2 (CN602) while in servicing, you can use the 36-pin flat
cable, E37-0979-05, which is available from the KENWOOD
parts center.

To
AG
AF VTVM

MIC (WHT)
MICG (SHIELD)
PTT
(BLU)
PTT SW
Cut

GND
(BLK)

8 pin

49

TKR-750





!"#$






NK


 


%&'(




 


!"#$=EppdF




OK

PK




QK




RK




SK




TK




UK






VK

!"=EasjF

!"#$%&




!







MKNµs
 Nãs

!"
#




!

RMΩ




!

NPS
NTQjeò





!

NMMt





!

NPS
NTQjeò




!


Ns
OMs




!




!"#$%&'()*




PMjeò




!

NMeò
SMMjeò




!"

MKOééã


!"=E^c=sqsjF
!"=E^dF




!

RMeò
NMâeò




!

Pãs
Ps




!

RMeò
Râeò

!"

M
Ns




!


Nâeò
P





!

RMãs
NMsêãë




!


NMs
NKRs





!

RMâΩ/s


!


QΩ

Rt

NOK QΩ


8




NR^

NNK 








NPS
NTQjeò






NMK 





!"#=E

1

!"F




!"#$%&'()

1 : NC
2 : +B
3 : GND
4 : PTT/TXD1 (PC serial data from radio)
5 : MIC GND
6 : MIC
7 : HOOK/RXD1 (PC serial data to radio)
8 : NC

Plug cord
Part No. E30-3360-18

8 pin
HOOK
(GRY)




!=EPS
F


 !"quJou
 !"#$EbPTJMVTVJMRF

ORSãã

To
AG
AF VTVM

MIC (WHT)
MICG (SHIELD)
PTT
(BLU)
PTT SW
Cut

8 pin

50

GND
(BLK)

TKR-750
ADJUSTMENT / 

Test Channel (Default) / 

No.




!=E


C
RX / 


!F

C2
TX / 


RX / 


Test Signaling / 


!

Decode / 


No.
TX / 


1

None

Encode / 

None

1

146.10

146.00

136.10

136.00

2

None

100Hz square wave

2

160.10

160.00

143.10

143.00

3

QT 67.0Hz

QT 67.0Hz

3

173.90

174.00

149.90

150.00

4

QT 151.4Hz

QT 151.4Hz

4

150.10

150.00

146.10

146.00

5

QT 210.7Hz

QT 210.7Hz

5

155.10

155.00

155.90

156.00

6

QT 250.3Hz

QT 250.3Hz

6

165.10

165.00

140.10

140.00

7

DQT 023N

DQT D023N

7

170.10

170.00

148.10

148.00

8

DQT 754I

DQT D754I

8

158.60

161.50

147.50

149.00

9

None

CW ID Encode [ID=VVV]

9

161.60

158.50

149.00

147.50

10

None

Single Tone [1000Hz]

10

136.10

136.00

151.10

151.95

11

DTMF 159D

DTMF 159D

11

151.90

151.95

152.10

152.00

12

None

DTMF Tone 9

12

152.10

152.00

173.90

174.00

13

None

Courtesy Tone

14

None

Battery Warning Tone

15

None

Battery Operation Tone

16

5-Tone [12345] (CCIR)

5-Tone [12345] (CCIR)

Adjustment Points / 

FINAL UNIT (X45-373) (A/2)
Component side view

CN6 MAIN DC
(RED)

CN8 GND
(BLACK)

ANT

CN7 BACKUP
(ORANGE)
Q5

CHARGE
Q4

CN4

TH1
CN1
TX IN

L2

L3

L5

L6

CN19

L7

CN18

TP102
TX CV
CN1

TC351 (VCO B)
2
1

2
1
1

3

CN15

L15

CN4

TC350 (VCO A)
A2 : TX VCO (X58-479)

L16
L19

CN16

8

CN3

1

CN5

1

8

1

3

2
1

CN2
NARROW
WIDE

PSW

L24

L18

L14

TP101
RX CV

L17
CN3

TX-RX UNIT (X57-695) (A/2)
Component side view

TC350 (VCO A)
A3 : RX VCO (X58-478)
TC351 (VCO B)

51

TKR-750
ADJUSTMENT
ATTEN 20dB
RL 10.0dBm

ATTEN 10dB
RL –32.0dBm

MKR –13.50dBm
10dB/

MKR –42.17dB
25.00kHz

10dB/

ATTEN 10dB
RL –32.0dBm

10dB/

MKR –46.000dB
15.00kHz

More than More than
3dB Max. 3.75kHz 3.75kHz
1.5MHz 1.5MHz
3dB Max.

MODULE

D NOT FOUND

MKR

3dB Max. 5.5~7.5kHz 5.5~7.5kHz

D 25.00kHz

MKR
15.00kHz
–46.000dB

D

–42.17dB

More than
40dB

More than
40dB

15kHz

25kHz

G

G

CENTER
RBW 300kHz

*VBW 300kHz

SPAN 50.00MHz
SWP 50ms

BPF center frequency (Factory-default)
C : 160MHz, C2 : 143MHz

G

CENTER 44.85000MHz
RBW 300Hz
*VBW 1.0kHz

SPAN 50.00kHz
SWP 2.0sec

MCF : Wide

CENTER 44.85000MHz
RBW 300Hz
*VBW 1.0kHz

SPAN 50.00kHz
SWP 2.0sec

MCF : Narrow

Fig. 1

Fig. 2

Fig. 3

Fine-Tuning the TKR-750
“ADJUSTMENT” items described in the Service Manual
for the TKR-750 give the factory-default adjustment procedure covering all adjustment items.
However, it is not necessary to adjust all the items when
adjusting the power, deviation, receiver sensitivity, etc at the
frequency of the channel to be used by the TKR-750.

Adjustment procedure at the frequency of the
channel to be used
1. Program a channel frequency using the FPU (KPG91D(C)).
2. From the FPU menu, select in the order of “EDIT”, “Test
Frequency” and “CH paste” to rewrite the test frequency
from the factory-default to the one to be used for the
channel.

Erase all channel frequencies rewritten through this operation and press the ENTER key to retrieve the factorydefault test frequency.
Refer to the explanation given under HELP for the FPU
(KPG-91D(C)) for details.
3. Check whether the frequency rewritten under the “Test
mode” of the FPU (KPG-91D(C)) is correct, then select the
item to be adjusted from the FPU (KPG-91D(C)) menu and
adjust the set value for the item to an optimum value with
the “TEST” tag.

Note :
After adjustment of the “Max. Deviation”, be sure to
check the “DQT balance”.

Alignment
Measurement
Item

Condition

Testequipment

Unit

Terminal

Adjustment
Unit

Parts

1. Setting

1) Connect the unit to a suitable DC power supply.

2. Write test
frequency

1) Turn the DC source switch on after connecting a PC and FPU cable to the radio.
2) Write the test and shipping frequency to the radio.
3) End of test frequency writing.

3. Setting

1) Connect the unit to a suitable DC power supply.
2) Turn the power switch on after connecting a PC and FPU cable to the radio.
3) Start up the program for the adjustment.

52

Method

Specifications/Remarks

→ “E1” appears on LED display
→ Green (BUSY) LED lights up

TKR-750


ATTEN 20dB
RL 10.0dBm

ATTEN 10dB
RL –32.0dBm

MKR –13.50dBm
10dB/



MKR –42.17dB
25.00kHz

10dB/

ATTEN 10dB
RL –32.0dBm

10dB/

MKR –46.000dB
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More than More than
3dB Max. 3.75kHz 3.75kHz
1.5MHz 1.5MHz
MKR

3dB Max.

MODULE

3dB Max. 5.5~7.5kHz 5.5~7.5kHz

D 25.00kHz

D NOT FOUND

MKR
15.00kHz
–46.000dB

D

–42.17dB

More than
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More than
40dB

15kHz

25kHz

G

G

CENTER
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SPAN 50.00MHz
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*VBW 300kHz

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53

TKR-750
ADJUSTMENT
Measurement
Item
4. RX PLL lock
voltage

5. TX PLL lock
voltage

6. RX
frequency

Condition
1) RX VCO A high
CH : 11 C
CH : 10 C2

Testequipment
DVM

Unit
TX-RX
(A/2)

Terminal
RX-CV

Adjustment
Unit

Parts

Method

RX VCO TC350 1.50V
(A3)

2) RX VCO A low
CH : 10 C
CH : 1 C2

Check

3) RX VCO B high
CH : 3 C
CH : 12 C2

RX VCO TC351 1.50V
(A3)

4) RX VCO B low
CH : 12 C
CH : 11 C2

Check

1) TX VCO A high
CH : 11 C
CH : 10 C2

TX-CV

TX VCO TC350 1.50V
(A2)

2) TX VCO A low
CH : 10 C
CH : 1 C2

Check

3) TX VCO B high
CH : 3 C
CH : 12 C2

TX VCO TC351 1.50V
(A2)

4) TX VCO B low
CH : 12 C
CH : 11 C2

Check

1) Connect the frequency
counter to CN3, then
measure the frequency
CH : 2

f. counter

CN3

Specifications/Remarks
± 0.1V

8V or less

± 0.1V

8V or less

± 0.1V

8V or less

± 0.1V

8V or less

PC adj.
50Hz or less
Test CH+44.85MHz

Note : RX frequency means the local frequency of the RX VCO. So its frequency is wanted frequency plus the IF frequency.
7. RX
frequency
(tune)

1) High CH (Automatically)

f. counter TX-RX
(A/2)

CN3

2) Low CH (Automatically)

PC adj.
218.8475MHz
PC adj.
180.8525MHz

8. Setting

1) Remove 8 pin cable and the coaxial cable from CN16, and CN19 on TX-RX side.

9. TX
frequency

1) Connect the frequency
counter to CN19, then
measure the frequency
CH : 2

10. TX
frequency
(tune)

11. Setting

54

50Hz or less

f. counter TX-RX
(A/2)

CN19

PC adj.

50Hz or less

1) High CH (Automatically)

PC adj.
173.9975MHz

50Hz or less

2) Low CH (Automatically)

PC adj.
136.0025MHz

1) Insert 8 pin cable and the coaxial cable to CN16, and CN19 on TX-RX side.

TKR-750








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55

TKR-750
ADJUSTMENT
Measurement
Item

Condition

Testequipment

Unit

Specifications/Remarks

Adjust the RF power ± 1W
to 53W.

1) Measure the RF power at
TX ANT.
Low CH
2) Center CH
3) High CH

PC adj.
50W
(Factory-default)

± 1W

14. TX RF
low power

1) Measure the power level at
TX ANT.
Low CH
2) Center CH
3) High CH

PC adj.
25W
(Factory-default)

± 1W

15. BPF

1) Connect the TG to RX ANT,
then connect CN1 to the
spectrum analyzer input.
Spectrum analyzer setting
Span : 50MHz
Scale : 10dB to 5dB div
Tracking generator setting
Output : –30dBm

18. Threshold
squelch
(Wide)

(Narrow)

56

Tracking
Rear
generator

RX ANT TX-RX
(A/2)

Spectrum TX-RX
analyzer
(A/2)

CN1

1) Connect the TG to CN2, then
connect CN4 to the spectrum
analyzer input.
CH : 2 (Wide)
Spectrum analyzer setting
Span : 50kHz to 25kHz
Scale : 10dB to 2dB div
Center freq‘ : 44.850MHz
Tracking generator setting
Output : –30dBm
2) CH : 2 (Narrow)

1) Connect the SSG to RX ANT.
CH : 2 (Wide)
SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 3kHz
AF : 2V/4Ω
1) Connect SSG to RX ANT.
CH : 2 (Wide)
SSG output : 4dB below to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 3kHz
AF : 2V/4Ω
2) SSG : OFF
3) CH : 2 (Narrow)
SSG output : 4dB below to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 1.5kHz
AF : 2V/4Ω
4) SSG : OFF

CN2
CN4

SSG

Rear

Audio
analyzer
VTVM
Oscilloscope

L2
L3
L5
L6
L7

Center the frequency
you are using, then
adjust it to look like
the wave Fig. 1.
(Page 52)

L14
L17
L18

Adjust it to look like
the wave Fig. 2.
(Page 52)

L15
L16
L19

Adjust it to look like
the wave Fig. 3.
(Page 52)

L24

Adjust the distortion
to minimum.

TEST/SPKR
jack SPO
(pin 12)

AF VM
Distortion
meter

SSG

RX ANT

VR1

Method

13. TX RF
high power

17. Discriminator

Final

Parts

1) Measure the RF power at
TX ANT.
High CH

(Narrow)

TX ANT

Unit

12. Maximum
power
limitting

16. MCF
(Wide)

Power meter Rear

Terminal

Adjustment

Rear

RX ANT
TEST/SPKR
jack SPO
(pin 12)

PC adj.
Adjust to point of
closing squelch

Check

Squelch must be closed.

PC adj.
Adjust to point of
closing squelch

Check

Squelch must be closed.

TKR-750








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57

TKR-750
ADJUSTMENT
Measurement
Item
19. Tight
squelch
(Wide)

(Narrow)

Condition
1) Connect SSG to RX ANT.
CH : 2 (Wide)
SSG output : 7dB over to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 3kHz
AF : 2V/4Ω

SSG

Unit
Rear

Audio
analyzer
VTVM
Oscilloscope

Terminal

Adjustment
Unit

RX ANT
TEST/SPKR
jack SPO
(pin 12)

2) CH : 2 (Narrow)
SSG output : 7dB over to
12dB SINAD level
SSG MOD : 1kHz
SSG DEV : 1.5kHz
AF : 2V/4Ω

20. RD outut
level
(Wide)

1) Connect SSG to RX ANT.
CH : 2 (Wide)
SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 3.0kHz

(Narrow)

2) CH : 2 (Narrow)
SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 1.5kHz

21. RA outut
level
(Wide)

1) Connect SSG to RX ANT.
CH : 2 (Wide)
SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 3.0kHz

(Narrow)

2) CH : 2 (Narrow)
SSG output : –53dBm/501µV
SSG MOD : 1kHz
SSG DEV : 1.5kHz

22. Maximum
deviation
(Wide)

1) Connect AG to the MIC terminal.
A-low CH (TX VCO A low)
A-center CH (VCO A center)
A-high CH (TX VCO A high)
B-low CH (TX VCO B low)
B-center CH (VCO B center)
B-high CH (TX VCO B high)
Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
AG : 1kHz/50mV (Terminal load)
Transmission

(Narrow)

Testequipment

Method

Specifications/Remarks

PC adj.
Adjust to point of
opening squelch

PC adj.
Adjust to point of
opening squelch

SSG

Rear

DVM

SSG

RX ANT

PC adj.
80mV

± 5mV

PC adj.
400mV

± 20mV

PC adj.
4.1kHz

± 0.1kHz

PC adj.
2.05kHz

± 0.1kHz

CONTROL
I/O jack
RD (pin 10)
4.7kΩ load

Rear

RX ANT

DVM

CONTROL
I/O jack
RA (pin 11)
4.7kΩ load

MOD ANA Rear
or
Deviation
meter
Oscilloscope

TX OUT

AG
AF VTVM

MIC

Front

2) A-low CH (TX VCO A low)
A-center CH (VCO A center)
A-high CH (TX VCO A high)
B-low CH (TX VCO B low)
B-center CH (VCO B center)
B-high CH (TX VCO B high)
Transmission

Note : After adjustment of the “Max. Deviation”, be sure to check the “DQT balance”.

58

Parts

TKR-750








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59

TKR-750
ADJUSTMENT
Measurement
Item
23. DQT
balance
(Wide)

(Narrow)

Condition
1) Low CH (VCO-A center)
High CH (VCO-B center)
Deviation meter filter
HPF : OFF
LPF : 3kHz
De-emphasis : OFF
Transmission

Testequipment

Unit

MOD ANA Rear
or
Deviation
meter
Oscilloscope

Terminal
TX OUT

Adjustment
Unit

Parts

Method
PC adj.
Make the demodulated waves
into square waves.

Specifications/Remarks
Oscilloscope DC range
flat “A” part
A

A

2) Low CH (VCO-A center)
High CH (VCO-B center)
Transmission
PC adj.
0.75kHz

± 0.05kHz

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

PC adj.
0.35kHz

± 0.05kHz

25. DQT
deviation
(Wide)

1) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 3kHz
De-emphasis : OFF
Detector : Peak hold
Transmission

PC adj.
0.75kHz

± 0.05kHz

(Narrow)

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

PC adj.
0.35kHz

± 0.05kHz

26. CW ID
deviation
(Wide)

1) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
Transmission

PC adj.
2kHz

± 0.1kHz

(Narrow)

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

PC adj.
1kHz

± 0.05kHz

27. Test tone
deviation
(Wide)

1) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
Transmission

PC adj.
3kHz

± 0.1kHz

(Narrow)

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

PC adj.
1.5kHz

± 0.05kHz

24. QT
deviation
(Wide)

1) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 3kHz
De-emphasis : OFF
Detector : p-p/2
Transmission

(Narrow)

60

TX ANT

TKR-750








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s`lJ_=`e=Equ=s`l=_
F



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NKRâeò


MKMRâeò

NF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F

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emc

imc
Pâeò

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qu


61

TKR-750
ADJUSTMENT
Measurement
Item

Condition

28. TA (TX
audio input)
deviation
(Wide)

1) Insert AG output into the
control I/O TA terminal (pin 9).
VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
AG freq‘ : 1kHz (Sine wave)
AG level : 280mV
Transmission

Testequipment

Unit

Terminal

MOD ANA Rear
or
Deviation
meter
Oscilloscope

TX ANT

AG
AF VTVM

CONTROL
I/O jack
TA (pin 9)

Adjustment
Unit

Parts

Method

Specifications/Remarks

PC adj.
3.0kHz

± 0.1kHz

PC adj.
1.5kHz

± 0.05kHz

PC adj.
0.75kHz

± 0.1kHz

PC adj.
0.35kHz

± 0.05kHz

PC adj.
3.0kHz

± 0.1kHz

(Narrow)

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

29. TD
deviation
(Wide)

1) Insert AG output into the
control I/O TD terminal (pin 8).
VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 3kHz
De-emphasis : OFF
AG freq‘ : 100Hz (Sine wave)
AG level : 0.5Vp-p (177mVrms)
Transmission

(Narrow)

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

30. DTMF
deviation
(Wide)

1) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
Transmission

(Narrow)

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

PC adj.
1.5kHz

± 0.05kHz

31. Courtesy
tone
deviation
(Wide)

1) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
Transmission

PC adj.
1.0kHz

± 0.05kHz

(Narrow)

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

PC adj.
0.5kHz

± 0.05kHz

62

CONTROL
I/O jack
TD (pin 8)

MOD ANA Rear
or
Deviation
meter
Oscilloscope

TX ANT

TKR-750

















!












 !
L

q^

E
VF


 






 
 
 


m`

NKRâeò


MKMRâeò

m`

MKTRâeò


MKNâeò

m`

MKPRâeò


MKMRâeò

m`

PKMâeò


MKNâeò

OF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F



m`

NKRâeò


MKMRâeò

PNK=
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F
s`lJ_=`e=Equ=s`l=_
F

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E
F

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emc

imc
NRâeò

 !"#



m`

NKMâeò


MKMRâeò

OF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F



m`

MKRâeò


MKMRâeò

!

E
F

PMK=aqjc

 !
E
F

E
F

^d
^c=sqsj

OF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F



E
F

E
F

qu






MKNâeò

OVK=qa


E
F

jla=^k^ 


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m`

PKMâeò

OUK=q^
Equ
 F

 !
E
F

NF 
^d
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=E
VF
s`lJ^=`e=Equ=s`l=^
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s`lJ_=`e=Equ=s`l=_
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emc

imc
NRâeò

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^d
 Nâeò=E
 F
^d
 OUMãs









NF 
^d
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UF
s`lJ^=`e=Equ=s`l=^
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s`lJ_=`e=Equ=s`l=_
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^d
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 F
^d
 MKRséJé=ENTTãsêãëF




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L

qa

E
UF

OF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F


NF s`lJ^=`e=Equ=s`l=^
F jla=^k^ 

s`lJ_=`e=Equ=s`l=_
F 
 !

 !"#


emc

imc
NRâeò

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qu


63

TKR-750
ADJUSTMENT
Measurement
Item

Condition

33. Battery
operation
tone
deviation
(Wide)

(Narrow)

34. Repeat
gain level
(Wide)

(Narrow)

Unit

Terminal

Adjustment
Unit

Parts

Method

Specifications/Remarks

PC adj.
3.0kHz

± 0.1kHz

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

PC adj.
1.5kHz

± 0.05kHz

1) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
Transmission

PC adj.
1.0kHz

± 0.05kHz

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

PC adj.
0.5kHz

± 0.05kHz

PC adj.
1kHz

± 0.1kHz

32. Battery
1) VCO-A CH (TX VCO A center)
warning tone
VCO-B CH (TX VCO B center)
deviation
Deviation meter filter
(Wide)
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
Transmission
(Narrow)

Testequipment

1) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
SSG output : –53dBm
SSG MOD : 1kHz
SSG DEV : 1kHz
Deviation meter filter
HPF : OFF
LPF : 15kHz
De-emphasis : OFF
Transmission

MOD ANA Rear
or
Deviation
meter
Oscilloscope

SSG

Rear

MOD ANA
or
Deviation
meter
Oscilloscope

TX ANT

RX ANT
TX ANT

2) VCO-A CH (TX VCO A center)
VCO-B CH (TX VCO B center)
Transmission

When “RF Power Down Detect” is programmed in the AUXO function, threshold of transmission output is set with the following menu.
35. Power
1) CH : 2 (High power)
down detect
(High)
(Low)

64

2) CH : 2 (Low power)

Power meter Rear

TX ANT

PC adj.
About 20W
(Factory-default)
PC adj.
About 10W
(Factory-default)

TKR-750




















!






POK=
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F jla=^k^ 

s`lJ_=`e=Equ=s`l=_
F 
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E
F

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emc

imc
NRâeò

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E
F

PPK=




 !
E
F

E
F

PQK=
 !

 !
E
F

E
F

E
F















 






 
 
 


m`

PKMâeò


MKNâeò

OF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F



m`
K
NKRâeò


MKMRâeò

NF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F

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emc

imc
NRâeò

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m`

NKMâeò


MKMRâeò

OF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F



m`

MKRâeò


MKMRâeò

m`

Nâeò


MKNâeò

NF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F
ppd
 !RPÇ_ã
ppd=jla
Nâeò
ppd=abs
Nâeò

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emc

imc
NRâeò

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ppd




jla=^k^

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qu


ou

qu


OF s`lJ^=`e=Equ=s`l=^
F
s`lJ_=`e=Equ=s`l=_
F




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F




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OF `e
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m`


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m`


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65

TKR-750
ADJUSTMENT / 

Confirmation and Alignment of Set-up to
Prevent Receiver Desensitization




1. Confirmation of Duplexer alignment

NK=
 !"#$%

The duplexer allows the Repeater to simultaneously transmit and receive. To accomplish this, in the programmed receive frequency, the transmit frequency must be notched or
suppressed by 75dB or more. Additionally, on the programmed transmit frequency, the receive frequency must be
notched or suppressed by 75dB or more. The following figures are examples of Duplexer alignment using a spectrum
analyzer.


 !"#$%&'()*+,-./01234
5678

 !"#
$%!"&'()TRÇ_
 !"#$
%&'()

 !"#$ !%&'()TRÇ_
 !"#$%&'(

 !"#$%&'()*+,-./0

2. Confirmation of Repeater Desensitization

OK=


The following figure is a Test set-up for Repeater Desensitization.
After this Test set-up is completed, confirm the Repeater
Desensitization as mentioned below.
1) Disable the repeater mode.
2) Adjust the level of the RF generator until 12dB SINAD is
reached.
3) Increase the output of the RF generator by 1dB. (This increases the SINAD.)
4) Enable the repeater mode.
5) Read the SINAD level. It should not drop below 12dB
SINAD. If the SINAD is less then 12dB, check the tightness of the connectors and the tuning of duplexer.


 !"#$%&'()*+,-./0

 !"#$%&'()*+,-./01234567


NF 
 !"#$%
OF=
oc
 !"#$%&'NOÇ_=pfk^a=E
 F

PF=oc
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QF=
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 F=
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 F=
 NOÇ_

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 !"#$%&'

Ref –10dBm
# Peak
Log
10dB/

Attenuated port
衰减端口
50Ω dummy
50Ω假负载
75dB or more

Duplexer / 双工器

Repeater / 中继台
TX

#Res BW 30kHz

!"#$%&'(

Atten 5dB

V1 V2
V3 FC
AA

66

!"#$%&'()*+,-./0

RX

VBW 30kHz

Span 20MHz
Sweep 50ms (401 pts)

RF signal
generator
RF信号发生器

TKR-750
TERMINAL FUNCTION / 
 !



Final Unit (X45-373X-XX)
Connector Terminal Terminal I/O
No.
No.
Name
CN1
CN3

1

Terminal function






DRV

I

TX driver input signal (Coaxial)

`kN

TMP

O

High temperature detector signal

`kP

!=EuQRJPTPuJuuF











 
L





 


aos


 qu


N

qjm


 




output for fan action







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!

To X57

2

BUP

O

Main DC/BACKUP status output

O

_rm


 
a`L
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(A/2)

3

PDT

O

RF power down signal output


uRT

P

maq


 


!"#$%&'

TX-RX

4

FAS

I

Fan control signal input

E^LOF

Q

c^p


 


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unit

5

PC

I

TX power control signal input

quJou

R

m`


 qu


6

8T

I

8V input during transmission




S

Uq


 


7

NC

–

Reserved

T

k`

8
CN4
CN5

CN6

GND

–

Ground

FAB

O

Power supply output for cooling fan

FAG

O

Fan ground

U
`kQ

dka

J




J




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c^_


 


!"#$%#&'

c^d


 


!




1

E

–

Ground

N

b

2

B

O

Power supply output

O

_


 



!"

3

B

O

Power supply output

P

_


 



!"

1

Main DC

I

`kS

N

j~áå=a`


 



!"E


`kT

N

_^`hrm


 
 
!"E
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F

`kU

N

dka

`kR

Power supply input (from Main DC

J

a`
F

terminal)
CN7

1

BACKUP

I

CN8

1

GND

–

Power supply input (from BACKUP
terminal)
Ground

Display Unit (X54-3330-21) (A/2)
Connector Terminal Terminal I/O
No.
No.
Name
CN501

1

HK

Terminal function

I

Hook detection input/RXD input

2

MIC

I

MIC signal input

To X54

3

MIG

–

MIC ground

(B/2)

4

PTT

I/O PTT input/TXD output




J




!=EuRQJPPPMJONFE^LOF
















`kRMN

N

eh


 


 


O

jf`


uRQ

P

jfd

E_LOF

Q

mqq


 
L




J


 





5

GND

–

Ground




R

dka

J




unit

6

NC

–

No connection




S

k`

J




7

SB

O

Power supply output after power switch

T

p_

8

NC

–

No connection

U

k`

To X57

!"#Loua

!"#$
!"


 

J




J




!"#$
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9

GND

–

Ground

V

dka

10

5M

O

Common 5V output

NM

Rj


 
Rs


11

VLI

I

Volume control input for AF signal

NN

sif


 


1

MIG

–

MIC ground

2

MIC

O

MIC signal output

3

VLI

O

Volume control output for AF signal

`kRMO





L
 mqq
Lqua


display

CN502




J




!
"#$%&
!"

N

jfd

O

jf`


 


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uRT

P

sif


 


!
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Rs


(B/2)

4

5C

I

Common 5V input

E_LOF

Q

R`

TX-RX

5

K4

I

KEY input 4

quJou

R

hQ


 


Q

unit

6

K5

I

KEY input 5




S

hR


 


R

control

7

K2

O

KEY output 2




T

hO


 


O

section

8

K3

O

KEY output 3




U

hP


 


P

9

K1

O

KEY output 1

V

hN


 


N

10

HK/RXD

O

Hook detection output/RXD output

NM

ehLoua


 


!"#Loua


11

SOE

I

Output enable for shift register

NN

plb


 


!"#$%&'(

12

PTT/TXD I/O PTT output/TXD input

NO

mqqLqua 
L
 mqq
Lqua


67

TKR-750
TERMINAL FUNCTION / 
 !
Connector Terminal Terminal I/O
No.
No.
Name

Terminal function







 
 
L


 



 








Strobe data for shift register

NP

pq_N


 


!"#$%&'()

I

Clock data input

NQ

`ih


 


!"#

I

Serial data input

NR

a^q


 


!"#

O

Power switch output

NS

mpt


 


!"#

GND

–

Ground

NT

dka

18

NC

–

No connection

NU

k`

19

SB

I

Power supply input after power switch

NV

p_


 


!"#$
%
&'

20

SB

I

Power supply input after power switch

OM

p_


 


!"#$
%
&'

13

STB1

14

CLK

15

DAT

16

PSW

17

I

Display Unit (X54-3330-21) (B/2)

1

VLI




J




J




!=EuQRJPPPMJONFE_LOF

Terminal function











O

Volume control output for AF signal

`kSMN

N

sif


 



 
Rs


Connector Terminal Terminal I/O
No.
No.
Name
CN601







 
 
L


 



 








!"
#$%&'

2

5M

I

Common 5V input

O

Rj

To X54

3

GND

–

Ground


uRQ

P

dka

J




(A/2)

4

NC

–

No connection

E^LOF

Q

k`

J




display

5

SB

I

Power supply input after power switch




R

p_

unit

6

NC

–

No connection




S

k`

J




7

GND

–

Ground

T

dka

J




8

PTT

U

mqq

9

MIG

–

MIC ground

V

jfd

10

MIC

O

MIC signal output

NM

jf`


 


!"#$

11

HK

O

Hook detection output/RXD output

NN

eh


 


!"#Loua


J601

1

NC

–

No connection

gSMN

N

k`

(Mic jack)

2

SB

O

Power supply output after power switch

E


O

p_

3

GND

–

Ground


F

P

dka

4

PTT/TXD I/O PTT input/TXD output

Q

mqqLqua 
L
 mqq
Lqua


5

MIG

–

MIC ground

R

jfd

6

MIC

I

MIC signal input

S

jf`


 


!"#$

7

HK/RXD

I

Hook detection input/RXD input

T

ehLoua


 


!"#Loua


8

NC

–

No connection

U

k`

I/O PTT output/TXD input


 


!"#$
%
&'


L
 mqq
Lqua

J

J








 

J
J

J

!"

!"#$
%
&'






!"




TX-RX Unit (X57-695X-XX) (A/2) : TX-RX Section quJou
=EuRTJSVRuJuuFE^LOF
quJou

Connector Terminal Terminal I/O
No.
No.
Name

Terminal function












 
 
L


 



 





CN1

–

–

O

Use for RX helical BPF tuning (Coaxial)

`kN

J

J


 
ou
_mc
=E
F

CN2

–

–

I

Use for RX MCF tuning

`kO

J

J


 
ou=j`c


CN3

–

–

O

Use for RX frequency adjustment

`kP

J

J


 
ou



 
ou=j`c


!=E
F

(Coaxial)

68




CN4

–

–

O

Use for RX MCF tuning

`kQ

J

J

CN14

1

NC

–

No connection

`kNQ

N

k`

2

DET

O

Detection signal output

O

abq

To X57

3

NC

–

No connection


uRT

P

k`

J





 

J




J




!"#

(B/2)

4

GND

–

Ground

E_LOF

Q

dka

control

5

ASQ

O

Squelch signal output

quJou

R

^pn


 


section

6

RSSI

O

RSSI signal output




S

oppf


 oppf
 !

of TX-RX

7

SC

O

Squelch control signal output




T

p`


 


unit

8

DP

I

Data input for PLL




U

am


 mii


!"

9

CP

I

Clock input for PLL

V

`m


 mii


!"

!"#
!"#$%

TKR-750
TERMINAL FUNCTION / 
 !










Enable input for RX PLL

NM

bmo


 ou=mii


!"
!"

Connector Terminal Terminal I/O
No.
No.
Name
I

Terminal function







 
L










10

EPR

11

EPT

I

Enable input for TX PLL

NN

bmq


 qu=mii


12

LDR

O

Lock detector for RX PLL

NO

iao


 ou=mii


!"#

13

LDT

O

Lock detector for TX PLL

NP

iaq


 qu=mii


!"#

14

DT

I

Data input

NQ

aq


 


!

15

CK

I

Clock input

NR

`h


 


!

16

STB

I

Strobe input for shift register

NS

pq_


 


!"#$%&'

17

FWD

O

RF power down signal output

NT

cta


 


!"#$%&'

18

LD2

I

Latch data input for DA converter

NU

iaO


 
L


19

BUP

O

Backup signal output

NV

_rm


 


!"#

20

PSW

I

Power switch input

OM

mpt


 


!"#

21

TMP

O

High temperature detector signal

ON

qjm


 


!"#$%&'(




output for fan action

CN15


 



 


!"#$%&'(

!
!"#$%&'

22

SOE

I

Output enable for shift register

OO

plb

23

GND

–

Ground

OP

dka

24

MB

I

Modulation signal input for VCXO

OQ

j_


 s`ul


25

MO

I

Modulation signal input for VCO

OR

jl


 s`l


26

GND

–

Ground

OS

dka

J




27

GND

–

Ground

OT

dka

J




28

QS

I

Data

OU

np

29

NC

–

No connection

OV

k`

30

SB

O

Power supply output after power switch

PM

p_


 


!"#$
%
&'

31

SB

O

Power supply output after power switch

PN

p_


 


!"#$
%
&'

32

SB

O

Power supply output after power switch

PO

p_


 


!"#$
%
&'

33

SB

O

Power supply output after power switch

PP

p_


 


!"#$
%
&'

34

NC

–

No connection

PQ

k`

35

8C

O

Common 8V output

PR

U`


 
Us


36

8C

O

Common 8V output

PS

U`


 
Us


1

E

–

Earth

N

b

`kNR

J



!"#$
!"#$


 

J

J

J










2

B

I

Power supply input

O

_


 



!"

3

B

I

Power supply input

P

_


 



!"

1

GND

–

Ground

N

dka

J




2

NC

–

No connection

O

k`

J




To X45

3

8T

O

8V output during transmission


uQR

P

Uq


 


final

4

PC

O

TX power control signal output




Q

m`


 qu


unit

5

FAS

O

Fan control signal output




R

c^p


 


!"#$%

6

PDT

I

RF power down signal input

S

maq


 


!"#$%&'

7

BUP

I

Main DC/BACKUP status input

T

_rm


 
a`L
a`


8

TMP

I

High temperature detector signal

U

qjm


 


CN18

1

RX IN

I

Receive signal input (Coaxial)

`kNU

N

ou=fk


 


!"#=E
F

CN19

1

DO

O

Transmission signal output (Coaxial)

`kNV

N

al


 


!"#=E
F

CN16

`kNS




input for fan action

!Us

!"#$%

!

!"#$%&'(
!

!"

TX-RX Unit (X57-695X-XX) (B/2) : Control Section quJou
=EuRTJSVRuJuuFE_LOF

Connector Terminal Terminal I/O
No.
No.
Name

Terminal function

















 
L





 








CN600

1

SB

O

Power supply output after power switch

`kSMM

N

p_


 


!"#$
%
&'

To X54

2

SB

O

Power supply output after power switch


uRQ

O

p_


 


!"#$
%
&'

(B/2)

3

GND

–

Ground

E_LOF

P

dka

J




69

TKR-750
TERMINAL FUNCTION / 
 !
Connector Terminal Terminal I/O
No.
No.
Name
4

NC

–

No Connection
















Q

k`


 
L







J





 





display

5

DAT

O

Serial data output




R

a^q







!"#

unit

6

PSW

I

Power switch input




S

mpt







!"#

7

STB1

O

Strobe data for shift register

T

pq_N







!"#$%&'

8

CLK

O

Clock data output

U

`ih







!"#

Output enable for shift register







!"#$%&'

CN601

9

SOE

O

10

TXD1

I/O PTT input/TXD output

V

plb

NM

quaN


L
 mqq
Lqua


11

K1

I

KEY input 1

NN

hN





 N

12

RXD1

I

Hook detection input/RXD input

NO

ouaN







13

K2

I

KEY input 2

NP

hO





 O

14

K3

I

KEY input 3

NQ

hP





 P

15

K4

O

KEY output 4

NR

hQ





 Q

16

K5

O

KEY output 5

NS

hR





 R

17

VLI

I

Volume control input for AF signal.

NT

sif







18

5C

O

Common 5V output

NU

R`





Rs


19

MIG

–

Mic ground

NV

jfd

J




!"

20

MIC

I

MIC signal input

OM

jf`







!"#$

N

qul







!"#$%&

O

quf







!"#$%&'(

!"#Loua


!"#$%&'(

1

TXO

O

MIC signal output to the board

2

TXI

I

MIC signal input from the board

To

3

RXO

O

RX audio signal output to the board




P

oul




ou


optional

4

AC

O

Audio control signal output




Q

^`







!"#$%

board

5

BC1

O

Scramble code output.

R

_`N







!"#

6

BC2

O

Scramble code output.

S

_`O







!"#

7

BC3

O

Scramble code output.

T

_`P







!"#

8

BC4

O

Scramble code output.

U

_`Q







!"#

`kSMN

!"#$%

9

PTI

I

PTT signal input

V

mqf




mqq
 !

10

CLRC

O

Clear code for scramble

NM

`io`







!"#$

11

RXI

I

RX audio signal input from the board

NN

ouf







!ou


12

PTO

O

PTT signal output

NO

mql




mqq
 !

13

NC

O

No connection

NP

k`







14

GND

–

Ground

NQ

dka

J




1

8C

I

Common 8V input

2

8C

I

Common 8V input

To X57

3

NC

–

No connection

(A/2)

4

SB

I

Power supply input after power switch

TX-RX

5

SB

I

unit

6

SB

7
8

CN602

70

Terminal function

!"


N

U`





Us


O

U`





Us



uRT

P

k`

J




E^LOF

Q

p_







!"#$
%
&'

Power supply input after power switch

quJou

R

p_







!"#$
%
&'

I

Power supply input after power switch




S

p_







!"#$
%
&'

SB

I

Power supply input after power switch

T

p_







!"#$
%
&'

NC

–

No connection

U

k`

J




9

QS

O

Data

V

np







10

GND

–

Ground

NM

dka

J




J




`kSMO

11

GND

–

Ground

NN

dka

12

MO

O

Modulation signal output for VCO

NO

jl




s`l


13

MB

O

Modulation signal output for VCXO

NP

j_




s`ul


14

GND

–

Ground

NQ

dka

J




15

SOE

O

Output enable for shift register

NR

plb







!"#$%&'

16

TMP

I

High temperature detector signal input

NS

qjm







!"#$%&

17

PSW

O

Power switch output

NT

mpt







!"#

18

BUP

I

Backup signal input

NU

_rm







!"#

!"#$
!"#$

TKR-750
TERMINAL FUNCTION / 
 !
Connector Terminal Terminal I/O
No.
No.
Name
19

LD2

20
21

Terminal function

















 
L





 


iaO


 
L








!"#$%&'(

O

Latch data output for DA converter

NV

FWD

I

RF power down signal input

OM

cta


 


!"#$%&'

STB

O

Strobe output for shift register

ON

pq_


 


!"#$%&'

22

CK

O

Clock output

OO

`h


 


!

23

DT

O

Data output

OP

aq


 


!

24

LDT

I

Lock detector for TX PLL

OQ

iaq


 qu=mii


25

LDR

I

Lock detector for RX PLL

OR

iao


 ou=mii


!"#

26

EPT

O

Enable output for TX PLL

OS

bmq


 qu=mii


!"

27

EPR

O

Enable output for RX PLL

OT

bmo


 ou=mii


!"

28

CP

O

Clock output for PLL

OU

`m


 mii


!"

29

DP

O

Data output for PLL

OV

am


 mii


!"

30

SC

I

Squelch control signal input

PM

p`


 


31

RSSI

I

RSSI signal input

PN

oppf


 oppf
 !

32

ASQ

I

Squelch signal input

PO

^pn


 


33

GND

–

Ground

PP

dka

34

NC

–

No connection

PQ

k`

35

DET

I

Detection signal input

PR

abq

J




J





 


!"#

!"#$%
!"#

!"#




36

NC

–

No connection

PS

k`

CN603

1

SB

O

Power supply output after power switch

`kSMP

N

p_


 


!"#$
%
&'

To ACC

2

SB

O

Power supply output after power switch


^``

O

p_


 


!"#$
%
&'

15 pin

3

GND

–

Ground

NR


P

dka

connector

4

GND

–

Ground




Q

dka

CN604

1

AO5

O

Auxiliary output 5 (FPU selectable)

`kSMQ

N

^lR


 


!R=Ecmr
F

2

AO4

O

Auxiliary output 4 (FPU selectable)

O

^lQ


 


!Q=Ecmr
F

To ACC

3

AO3

O

Auxiliary output 3 (FPU selectable)

P

^lP


 


!P=Ecmr
F

15 pin

4

SPO

O

External speaker output

NR


Q

pml


 


!"#$

connector

5

SPO

O

External speaker output




R

pml


 


!"#$

6

AO2

O

Auxiliary output 2 (FPU selectable)

S

^lO


 


!O=Ecmr
F

7

AO1

O

Auxiliary output 1 (FPU selectable)

T

^lN


 


!N=Ecmr
F

8

SPI

I

Internal speaker input

U

pmf


 


!"#$

9

RSSI

O

RSSI signal output

V

oppf


 oppf
 !

10

RD

O

RX data output

NM

oa


 ou


11

SPG

–

External speaker ground

NN

pmd

12

SPG

–

External speaker ground

NO

pmd

1

SPO

O

Internal speaker AF output

N

pm

2

SPG

–

Internal speaker ground

O

pmd

J




CN606

1

NC

–

No connection

N

k`

J




2

NC

–

No connection

J




To ACC

3

SPM

I

Speaker mute signal input

25 pin

4

IO6

D-sub

5

RXG

connector

6

IO5

I/O Programable I/O 5

7

RA

O

8

IO4

9

CN605


^``

`kSMR
`kSMS

J

J




J







!"#$

J




!"#$


 


O

k`


^``

P

pmj


 


OR


Q

flS


L
 


aJëìÄ

R

oud




S

flR

T

o^

I/O Programable I/O 4

U

flQ

RD

O

V

oa

10

IO3

I/O Programable I/O 3

11

TA

12

IO2

13

TD

I/O Programable I/O 6
–

I

RX signal ground
RX audio output (voice)
RX data output (voice & data)
TX audio input (voice)

I/O Programable I/O 2
I

TX data input (data or signaling)

NM

flP

NN

q^

NO

flO

NP

qa

!

J

J

!"#$%&
!"#$

!"#$%&
!"L
S

ou



L
 


!"L
R


 ou


L
 


!=E


!"F

!"L
P


 qu


L
 


!=E
F

!"L
Q


 ou


L
 


!

!E
F

!"L
O


 qu


!=E


!"F

71

TKR-750
TERMINAL FUNCTION / 
 !
Connector Terminal Terminal I/O
No.
No.
Name
14

IO1

Terminal function

I/O Programable I/O 1

CN351

72

flN





L
 



 





!"L
N

DG

–

Control line ground

NR

ad

J




–

TX signal ground

NS

qud

J

qu


17

AI3

I

Auxiliary input 3 (FPU selectable)

NT

^fP







18

NC

–

No connection

NU

k`

J




!"
!

!P=Ecmr
F

19

AI2

I

Auxiliary input 2 (FPU selectable)

NV

^fO







20

SC

O

Squelch control output

OM

p`







!"#

21

AI1

I

Auxiliary input 1 (FPU selectable)

ON

^fN







!N=Ecmr
F

22

EPTT

I

External press-to-talk switch input

OO

bmqq





mqq


!

23

TXD2

O

RS-232C output signal (for FPU)

OP

quaO




opJOPO`


!=E
cmrF

24

EMON

I

External monitor switch input

OQ

bjlk










opJOPO`


25

RXD2

I

RS-232C input signal (for FPU)

OR

ouaO

26

NC

–

No connection

OS

k`

J




27

NC

–

No connection

OT

k`

J




28

NC

–

No connection

OU

k`

J




29

NC

–

No connection

OV

k`

J




30

NC

–

No connection

PM

k`

J




Terminal function

!O=Ecmr
F

!"#$%
!=E
cmrF

ou=s`l
=EuRUJQTUMJNMF
















 
L








 





1

FIN

I

Prescaler RF signal input

N

cfk







2

5C

I

Common 5V input

O

R`





Rs


3

LDR

O

Lock detector for RX PLL

P

iao




ou=mii


!"#

4

EPR

I

Enable input for RX PLL

Q

bmo




ou=mii


!"

5

DP

I

Data input for PLL

R

am




mii


!"

6

CP

I

Clock input for PLL

S

`m




mii


!"

7

REF

I

Reference frequency signal input

T

obc







1

GND

–

Ground

N

dka

J




2

SRR

I

Switching signal input for RX VCO

O

poo




ou=s`l


3

8CL

I

8V input through the ripple filter

P

U`i







4

CV

I

RX PLL lock voltage

Q

`s




ou=mii


5

9CL

I

9V input through the ripple filter

R

V`i







6

NC

–

No connection

S

k`

J




1

VO

O

RX VCO output

N

sl




2

GND

–

Ground

O

dka

Connector Terminal Terminal I/O
No.
No.
Name

CN350

NQ


 
L




TXG

1

FIN

2
3

`kPMM

`kPRM

TX VCO Unit (X58-4790-10)

CN300






16

Connector Terminal Terminal I/O
No.
No.
Name

CN350






15

RX VCO Unit (X58-4780-10)

CN300






Terminal function

`kPRN

J

!"#$%&'

!"#$%
!"#$

!"!#$Us

!

!"!#$Vs


ou=s`l




qu=s`l
=EuRUJQTVMJNMF
















 
L







`kPMM

N

cfk








 





!"#$%&'

I

Prescaler RF signal input

5C

I

Common 5V input

O

R`





Rs


LDT

O

Lock detector for TX PLL

P

iaq




qu=mii


!"#

4

EPT

I

Enable input for TX PLL

Q

bmq




qu=mii


!"

5

DP

I

Data input for PLL

R

am




mii


!"

6

CP

I

Clock input for PLL

S

`m




mii


!"

7

REF

I

Reference frequency signal input

T

obc







1

GND

–

Ground

N

dka

J




2

STT

I

Switching signal input for TX VCO

O

pqq




`kPRM

!"#$%

qu=s`l


!"#$

TKR-750
TERMINAL FUNCTION / 
 !
Connector Terminal Terminal I/O
No.
No.
Name
3

CN351

8CL

I

Terminal function






8V input through the ripple filter











P

U`i


 
L





 



 








!"!#$Us


4

CV

I

RX PLL lock voltage

Q

`s


 ou=mii


5

9CL

I

9V input through the ripple filter

R

V`i


 


!"!#$Vs


6

MO

I

Modulation signal input

S

jl


 


!"#

1

VO

O

TX VCO output

N

sl


 qu=s`l


2

GND

–

Ground

O

dka

ACC 25 pin D-sub Connector
Connector Terminal Terminal I/O
No.
No.
Name
1

NC

2
3

Terminal function

`kPRN

J

!




^``OR
aJëìÄ
















N

k`


 
L





 











–

No connection

RXD2

I

Serial data to radio

O

ouaO


 


!"#$%

TXD2

O

Serial data from radio

P

quaO


 


!"#$%&

4

AI1

I

Programmable function input 1

Q

^fN


 


!"#$N

5

AI2

I

Programmable function input 2

R

^fO


 


!"#$O

6

AI3

I

Programmable function input 3

S

^fP


 


!"#$P

7

DG

–

Control line ground

T

ad

8

TD

I

TX data input (data or signalling)

U

qa

J

J

TA

I

!"
!=E


!"F

Input impedance: 600Ω




Coupling: AC coupling


 ^`


Deviation: 0.75kHz (wide)/


 MKTRâeò=E
FL

0.35kHz (Narrow)

MKPRâeò=E
F

(100Hz 0.5Vp-p input)
9





 qu


TX audio input (voice)

!"SMM


ENMMeò=MKRséJé
F
V

q^


 qu


!=E
F

Input impedance: 600Ω




Coupling: AC coupling


 ^`


!"SMM


Frequency response: Pre-




emphasis curve


 SMB


Deviation: 60% deviation

ENâeò=OUMãsãë
ORãs
F

!"#$%&'

(1kHz 280mVrms ± 25mV input)
10

11

RD

RA

O

O

RX data output (voice & data)

NM

oa


 ou


!=E


Output impedance: 1kΩ or less




Coupling: AC coupling


 ^`


Non-squelched




Frequency response: ±2.5dB at




10~3000Hz


 OKRÇ_

Output level: 70~90mVrms




(standard modulation)

E
 !F

RX audio output (voice)

NN

o^


 ou


!"Nâ


!"F
!"

!"#NM
PMMMeò

!"TM
VMãsãë
!=E
F

Output impedance: 1kΩ or less




!"Nâ


Coupling: AC coupling


 ^`


!"

Squelched




Frequency response: De-




!"#$%&'

emphasis curve




!"PSM
QQMãsãë

Output level: 360~440mVrms

E
 !F

!

(standard modulation)
12

RXG

–

RX signal ground
(for RA,RD ground only)

NO

oud

J

ou
 !
E
 o^
oa
F

73

TKR-750
TERMINAL FUNCTION / 
 !
Connector Terminal Terminal I/O
No.
No.
Name






Terminal function

13

SPM

I

Speaker mute signal input

14

NC

-

No connection

15

EMON

I

External monitor switch input

16

EPTT

I

External press-to-talk switch input







 
 
L


 


 


Squelch control output

!"#$%&

NQ
NR

k`
bjlk

NS

bmqq

NT

p`

NU
NV

k`
qud
^flN
^flO
^flP
^flQ
^flR


L


L


L


L


L













!"#$L
N
!"#$L
O
!"#$L
P
!"#$L
Q
!"#$L
R

^flS


L
 


!"#$L
S


i

 !"#
J



 
 !"#$%

i
 !"#$
%e

 !"

 
mqq
 !

i

mqq
!e

mqq


 
 !"#

i

 !"
#e

 !"
J


J
qu
 !=E
 q^

qaF

“L”: PTT on, “H”: PTT off
O




pmj

“L”: Monitor on, “H”: Monitor off

SC




NP

“L”: Mute on

17


 


“L”: Busy, “H”: Not busy
18

NC

-

No connection

19

TXG

-

TX signal ground

20

AIO1

I/O Programmable function input/output 1

21

AIO2

I/O Programmable function input/output 2

22

AIO3

I/O Programmable function input/output 3

23

AIO4

I/O Programmable function input/output 4

24

AIO5

I/O Programmable function input/output 5

OM
ON
OO
OP
OQ

25

AIO6

I/O Programmable function input/output 6

OR

(for TA,TD ground only)

13 12 11 10 9 8 7 6 5 4 3 2 1

13 12 11 10 9 8 7 6 5 4 3 2 1

25 24 23 22 21 20 19 18 17 16 15 14

25 24 23 22 21 20 19 18 17 16 15 14

^``=NR
 !"

ACC 15 pin Connector
Connector Terminal Terminal I/O
No.
No.
Name
1

SB

O






Terminal function
Power supply output after power





N


 
 
L


 

p_

switch; 1A maximum
2

SB

O

Power supply output after power

NC

–

No connection

4

GND

–

Ground

5

GND

–

Ground

6

SPG

–

Speaker ground

7

RD

O

RX data output (Equal to D-sub

8

RSSI

O

RSSI output (Analog signal output)

9

SPI

I

Internal speaker input

10

AO1

O

Auxiliary output 1

11

AO2

O

Auxiliary output 2







!"#$
%
&'(


N^

 
 !"#$
%
&'(

N^
J


J


J


J

 !"

 ou
 !

O

p_

P
Q
R
S
T

k`
dka
dka
pmd
oa

U
V
NM

oppf
pmf
^lN

NN

^lO
pml
^lP
^lQ


 oppf
=E
 !"#F

 
 !"#$

 
 !N

 !"#$%&'NRMã^

 
 !O

 !"#$%&'NRMã^

 
 !"#$

 
 !P

 
 !Q

^lR


 


switch; 1A maximum
3


 



 


connector terminal No. 10.)

Open collector. Low : 150mA max.
Open collector. Low : 150mA max.

74

12

SPO

O

External speaker output

13

AO3

O

Auxiliary output 3

14

AO4

O

Auxiliary output 4

NO
NP
NQ

15

AO5

O

Auxiliary output 5

NR

!R

13 10 7

4

1

13 10 7

4

1

14 11 8

5

2

14 11 8

5

2

15 12 9

6

3

15 12 9

6

3

TKR-750
BLOCK DIAGRAM / 


TX-RX unit (CONTROL) X57

CN605
SP

INT SP

CN604
SPI
SPO

DAT,CLK,SOE
RSSI
RD
Display unit
X54-333 (B/2)

MIC JACK

Shift Reg.
IC623
BU4094BCF

TEST/SPKR

VR601
AF VOL

A01~5

SB
PTT/TXD
HK/RXD

D603

D626
MINISMDE190

CN603

VLI

SB

CN601

5

Display unit
X54-333 (A/2)

CN501

DET
CN502

SB

RD

VLI
MIC

MIC
Q501
2SC4116(Y)
Q502
IC501
NJM4558E 2SA1586(Y,GR)

MIS

5C

DET

5V

PTT/TXD
HK/RXD
KEY1~5
CLK,SOE,STB1

5V

IC507
TA78L05F
5V
AVR

D501/502
HSM88AS
CLK,SOE,STB1

SB

IC506
TA78L05F
5V
AVR

VR501

TAS

SOE,STB1
CLK,DAT
KEY1~5,VLI
TXD1,RXD1,PTT

SI
CLK,SOE,STB1

Shift Reg.1
IC503
BU4094BCFV

SI

SO

Shift Reg.2
IC504
BU4094BCFV

Q512~514
SW UPA627T

SW

TA
SB

ATT

AMP

SW

CLK,SOE,STB1
SO

PSW

CLK,SOE,STB1

SI

SO

DAT

TXD0/RXD0
IO1~6
X600
14.754M

Shift Reg.4
IC502
BU4094BCFV

Shift Reg.3
IC505
BU4094BCFV

PSW
CN600

Q600
2SK1824 SW
DTA114EUA x 5

SW
S501

S502

S503
PF1~5

S504

Q516~519
UPA627T

SW

Q521~524
UPA627T

Q508
SW

S505

Q509
Q506
SW

SFT

Q510
Q511

Q601
DTC114EUA

SW

BUP

KEY1~5
D503

D504

Q602
2SK1824

D505
S507

D506

D507

TX

BUSY
CALL

Main DC
Back UP

INV

Power source
SW

TEMP

INV

IC600
AT2408N10S12.5
EEPROM

75

SCL
SDA

TKR-750
BLOCK DIAGRAM / 


X-RX unit (CONTROL) X57-695 (B/2)

SP
1.8C

SPI
AF AMP
IC629
LA4422

SPO
DAT,CLK,SOE,STB2

IC622
TC7S66FU
AF
SW

Q606
DTC363EK
MUTE

RSSI
RD

3.3A
Shift Reg.5
IC623
BU4094BCFV

A01~5

3.3D

INV

Q610
2SJ506(S)

TDS
TAS
MIS

SW

IC625
XC62FP3302P
3.3V
AVR

IC628
TA78L05F
5V
AVR

IC626
XC62FP3302P
3.3V
AVR

IC630
TA78L05F
5V
AVR

8C

RSSI

5C

AM
SPM

SB

IC621
TC7S00FU

Q609
INV
DTC114EUA

D626
MINISMDE190

Q605
DTC114EUA

IC624
XC62FP1802P
1.8V
AVR

5M

IC627
TA78L05F
5V
AVR

DET
ASQ

SB
AMPSW

IC608
TA75S01F

5-TONE

AMP

DET

IC619 (A/2)
NJM4558E

AMP

LPF

AOUTR

DEI DEO

RD

IC619 (B/2)
NJM4558E
AINR

RXI RXO

CODEC
IC614
AK4550VT

IC610
TA75S01F

DP,CP
EPR,EPT
DT,CK
STB4,SOE
LD2,PSW

DAC
RA

IC616 (B/2)
NJM4558E

IC616 (A/2)
NJM4558E

IC611 (A/2)
NJM4558E

AMP

LPF

AMP

IC615 (B/2)
M62364FP

AINL

MIC

AMP

SW

AOUTL

MB

TXI TXO

MIS
SW

TA
SB

TD

IC605 (A/2)
BU4053BCF

TAS

PWDA
PWAD

ASQ,RSSI
FWD,BATT

SOE,STB1
CLK,DAT
KEY1~5,VLI
TXD1,RXD1,PTT

STDO
STDI

TDS

SCLK

Q603
DTC114EUA INV BDR0
BDX0
XF

IC612
INV TC7S04FU
BCLK

MCLK

DSP
IC618
TMS320VC5402PGE

PSW

Interface
CPU
IC604
M30622M4

SFT
Q601
DTC114EUA

SCLK
LRCLK
DIVIDER
IC613
TC74VHC4040FT

SB

Q602
2SK1824

SFT

WR,HCS,
D0~D7
A0~D3

A0~A18,
D0~D7,
WR,RD,CS0

AMP

RA

IC603/606
TC74LVX4245FS

INV

FLASH ROM
IC609
AT29C020-90TI

RD

DAC

AMP

TA

IC615 (A/2)
M62364FP

AMP

IC617
(B/2)
IC617
(A/2)
IC607
(A/2)
IC607
(B/2)

TD

AMP
NJM4558E x 4

INV
RESET

IC600
AT2408N10S12.5
SCLK,
SDAT

Reset IC
IC601
RH5VL42C

IO1~6
DAT,CLK,SOE,STB3
AI1~3
SPM,EMON,EPTT

5-TONE
IC631
IC632
TA75W01FU

RXI/RXO
TXI/TXO
PTI/PTO

SC

Shift Reg.6
IC602
BU4094BCFV

AM,AMPSW
RXD0/TXD0

EPTT
SOE,DAT,CLK
STB2,STB3,SFT EMON
AI1~3
DP,CP,EPR,EPT
LD1,LD2,LDR,LDT

BC1~4,
CLRC,AC

CN601

76

LD1,DAT,CLK

Q604
SW 2SK1824

Q600
2SK1824 SW

EEPROM

BUP,TEMP
LDT,LDR
FWD

IC605 (B/2)
BU4053BCF

LD1,DAT,CLK

X600
14.754M

TEMP

SW

X601
16.515M

TXD0/RXD0
IO1~6

BUP

MO

Option board

RS232
DRIVER
IC620
ADM202EARN

RXD2/TXD2

TKR-750
BLOCK DIAGRAM / 

TX-RX unit X57-695 (A/2)

D2
DAN235K

44.850MHz
XF2
MCF(W)

D1
DAN235K

SW

8C

IF AMP
Q2
2SC3357

Q9
2SC3357

EPR
CP
DP

LD2
CK
DT

CF1 (Wide)
DET

AMP

D5
MA742

Q7
2SC4617(S)
SRR,STT
8RC,8TC
FAS

IC7
BU4094
BCFV

DAC
IC6
M62354GP

CF2 (Narrow)
455kHz

Q5
SW DTA144EUA
W/N
SW Q6
DTC144EUA

FCT
FCR
PC

MB

8TC
5V
5CT
AVR
IC11
NJM78L05UA

LIPPLE

Q12
2SC4116(GR)
8CLR

BUP,TEMP,
LDR,LDT
FWD
EPR,EPT
CP,DP,PSW

5CR

LIPPLE

8R

IC3
NJM78L05UA
5V
AVR

Q17
DTC114EUA INV

IC300
SA7025DK
FCT
MB

PLL
Q350,351:
2SK508NV(K52)
D350~353:
1SV282

DC
TCXO
AMP
X3
IC1
NJM4558E 16.8M

K1
SW
PSW

SW

IC10
TA7808F
8V
AVR

8RC

8CR
SB

MO

VCOB

8V
AVR
IC4
NJM7808FA

Q16
2SB1132(Q,R)

CN19
ATT

Fin

EPT
CP
DP

8CT

MB

EMP
LDR
FWD

LPF

SW

Q19
DTC114EUA INV

Q13
2SC4116(GR)

MO

8T

W/N

VCOA

9CLT

Q18
2SB1386(R)

Buff
Q11
2SC3120

STT

A2
TX VCO

D3
SW DAN235K

CVT

8CLT

MO

X1
44.395MHz

D4
SW DAN235K

PLL

IC300
SA7025DK
Q350,351:
2SK508NV(K52)
DC
FCR
TCXO
D350~353:
AMP
1SV282
X2
IC2
NJM4558E 16.8M

QUD

W/N

P,CP
EPT
T,CK
SOE
PSW

9CLR
LPF

Fin

DET

SOE
STB4
CK
DT

CVR

VCOB

SW

ASQ

A3
RX VCO

VCOA

Q4
DTC144EUA

ASQ

SRR

Q8
2SC3120

FM IC
IC9 : TK14489V

RSSI

DET

L2,3
CN18
RX ANT

W/N

XF1
MCF(N)

8C

RSSI

L5,6,7

SW

IF AMP
Q3
W/N
2SC3356(R24)

CN14

A1

RF AMP
Q1
2SC357

Q15
2SC4116(GR)

SB
CN602
9CLT

LIPPLE
Q14
2SC4116(GR)

PC
8T

CN606

FAS

9CLR

TMP
BUP
PDT

LIPPLE

CN15

CN16
Final unit
X45-373 (A/2)

IC5
AN8009M
9V
AVR

CN3

X45-373 (B/2)

CN5
+B

PC
8T

CN1

FAS

IC2
TMP

TEMP

IC3
NJM78L05UA
5V
AVR

Final AMP
Q5
RD70HVF1-01

IC1
TA75W01FU

2/TXD2
Control I/O
(D-SUB)

PC

Vcont
DC
AMP
REF
AMP

CN6
CN7

Main DC

15A

BACKUP
Q9
DTD123EK
CM COUPLER

Drive AMP
Q3
2SC3357

K1
SW
BUP

Drive AMP
Q4
RD55003S

Drive AMP
Q2
2SC3356(R24)

TMP
BUP
PDT

D4
FWD
DET

TEMP
SW

Q8
2SC4116(Y)

D5
REV
DET
HSM88AS x 2

15A
CN4

SW

FAB

FAS

TX ANT

VR1

77

TKR-750
INTERCONNECTION DIAGRAM / 
 !
CN605
1
SPO
SPG
2

DISPLAY UNIT A/2
X54-333*-**

5V AVR

W10

CN600
1
SB
SB
GND
NC
DAT
PSW
STB1
CLK
SOE
TXD1
K1
RXD1
K2
K3
K4
K5
VLI
5C
MIG
MIC
20

1.8C

1.8V AVR

3.3D

3.3V AVR

5V AVR

3.3A

3.3V AVR

5C

5V AVR

5M

5V AVR

CN501
11
VLI
5M
GND
NC
SB
NC
GND
PTT
MIG
MIC
HOOK
1

5V AVR

20
SB
SB
NC
GND
PSW
DAT
CLK
STB1
PTT/TXD
SOE
HK/RXD
K1
K3
K2
K5
K4
5C
VLI
MIC
MIG
1
CN502

8
4
7
3
6
2
5
1

NC
SB
GND
PTT
MIG
MIC
HOOK
NC

J601

78

DISPLAY UNIT B/2
X54-333*-**

CN601
1
TXO
TXI
RXO
AC
BC1
BC2
BC3
BC4
PTI
CLRC
RXI
PTO
NC
GND
14

CN602
1
8C
8C
NC
SB
SB
SB
SB
NC
QS
GND
GND
MO
MB
GND
SOE
TMP
PSW
BUP
LD2
FWD
STB
CK
8C
DT
LDT
LDR
SB EPT
SB
EPR
CP
DP
SC
RSSI
ASQ
GND
NC
DET
NC
36

CN606
29 30
NC
NC
NC
NC
RXD2
NC
TXD2 EMON
AI1
EPTT
AI2
SC
AI3
NC
DG
TXG
TD
AIO1
TA
AIO2
RD
AIO3
RA
AIO4
RXG
AIO5
SPM
AIO6
NC
NC
1 2

W9

36
8C
8C
NC
SB
SB
SB
SB
NC
QS
GND
GND
MO
MB
GND
SOE
TMP
PSW
BUP
LD2
FWD
STB
CK
DT
LDT
LDR
EPT
EPR
CP
DP
SC
RSSI
ASQ
GND
NC
DET
NC
1
CN14

SB
8CR

5CR

8V A

5V AVR

8CT(8C)

5CT

8V A

5V AVR

9C

9V A

SUB UN
(RX VCO/
X58-47

SUB UN
(TX VCO/
X58-47

NC
RXD2
TXD2
AI1
AI2
AI3
DG
TD
TA
RD
RA
RXG
SPM

NC
EMON
EPTT
SC
NC
TXG
AIO1
AIO2
AIO3
AIO4
AIO5
AIO6

CONTROL I/O

3

2
CN604
1
AO5
AO4
AO3
SPO
SPO
AO2
AO1
SPI
RSI
RD
SPG
SPG
12

MIC

CN601
1
VLI
5M
GND
NC
SB
NC
GND
PTT
MIG
MIC
HOOK
11

W11

TX-RX UN
X57-695

TX-RX UNIT B/2
X57-695*-**

CN603
4
GND
GND
SB
SB
1

INT SP

1

TKR-750
INTERCONNECTION DIAGRAM / 
 !

CN18
RX ANT

TX-RX UNIT A/2
X57-695*-**
CN15
1
E
B
B
3

W6

CN16
8
TMP
BUP
PDT
FAS
PC
8T
NC
GND
1

W7

8V AVR

CN5
1
E
B
B
3

CN6
MAIN DC
CN8
GND

+B

W3

+B1

W4

GND

W5

+B2

BACKUP
CN7

+B1

+
– MAIN DC

GND
+B2

W1

GND

W2

+
– BACKUP BATTERY

5V AVR

8V AVR

5V AVR

CN19
SUB UNIT
(RX VCO/PLL)
X58-478

W8

FINAL UNIT A/2
X45-373*-**

CN4
1
FAB
FAG

M

9V AVR

FINAL UNIT B/2
X45-373*-**

CN3
1
TMP
BUP
PDT
FAS
PC
8T
NC
GND
8

FAN

2

CN1
TX ANT

SUB UNIT
(TX VCO/PLL)
X58-479

ON
T

1
2
3
4
5
6

TEST/SPKR
3

6

9

12

15

2

5

8

11

14

1

4

7

10

13

9

12

79

CN605
1
SPO
SPG
2

DISPLAY UNIT A/2
X54-333*-**

5V AVR

W10

1.8C

1.8V AVR

3.3D

3.3V AVR

5V AVR

3.3A

3.3V AVR

5C

5V AVR

5M

5V AVR

8
4
7
3
6
2
5
1

NC
SB
GND
PTT
MIG
MIC
HOOK
NC

J601

DISPLAY UNIT B/2
X54-333*-**

CN604
1
AO5
AO4
AO3
SPO
SPO
AO2
AO1
SPI
RSI
RD
SPG
SPG
12

MIC

CN601
1
VLI
5M
GND
NC
SB
NC
GND
PTT
MIG
MIC
HOOK
11

W11

CN601
1
TXO
TXI
RXO
AC
BC1
BC2
BC3
BC4
PTI
CLRC
RXI
PTO
NC
GND
14

CN602
1
8C
8C
NC
SB
SB
SB
SB
NC
QS
GND
GND
MO
MB
GND
SOE
TMP
PSW
BUP
LD2
FWD
STB
CK
8C
DT
LDT
LDR
SB EPT
SB
EPR
CP
DP
SC
RSSI
ASQ
GND
NC
DET
NC
36

CN606
29 30
NC
NC
NC
NC
RXD2
NC
TXD2 EMON
AI1
EPTT
AI2
SC
AI3
NC
DG
TXG
TD
AIO1
TA
AIO2
RD
AIO3
RA
AIO4
RXG
AIO5
SPM
AIO6
NC
NC
1 2

W9

36
8C
8C
NC
SB
SB
SB
SB
NC
QS
GND
GND
MO
MB
GND
SOE
TMP
PSW
BUP
LD2
FWD
STB
CK
DT
LDT
LDR
EPT
EPR
CP
DP
SC
RSSI
ASQ
GND
NC
DET
NC
1
CN14

CN15
1
E
B
B
3

W6

CN16
8
TMP
BUP
PDT
FAS
PC
8T
NC
GND
1

W7

SB
8CR

5CR

8V AVR

CN6
MAIN DC

8V AVR

5V AVR

9C

9V AVR

CN19
SUB UNIT
(RX VCO/PLL)
X58-478

+B

W3

+B1

W4

GND

W5

+B2

BACKUP
CN7

+B1

W8

FINAL UNIT A/2
X45-373*-**

2

CN1
TX ANT

NC
EMON
EPTT
SC
NC
TXG
AIO1
AIO2
AIO3
AIO4
AIO5
AIO6

CONTROL I/O
TEST/SPKR
3

6

9

12

15

2

5

8

11

14

1

4

7

10

13

CN4
1
FAB
FAG

9

12

FAN

+
– MAIN DC

GND
+B2

W1

GND

W2

FINAL UNIT B/2
X45-373*-**

CN3
1
TMP
BUP
PDT
FAS
PC
8T
NC
GND
8

SUB UNIT
(TX VCO/PLL)
X58-479

NC
RXD2
TXD2
AI1
AI2
AI3
DG
TD
TA
RD
RA
RXG
SPM

CN8
GND

5V AVR

8CT(8C)

5CT

CN5
1
E
B
B
3

M

CN600
1
SB
SB
GND
NC
DAT
PSW
STB1
CLK
SOE
TXD1
K1
RXD1
K2
K3
K4
K5
VLI
5C
MIG
MIC
20

TX-RX UNIT A/2
X57-695*-**

TX-RX UNIT B/2
X57-695*-**

CN501
11
VLI
5M
GND
NC
SB
NC
GND
PTT
MIG
MIC
HOOK
1

5V AVR

20
SB
SB
NC
GND
PSW
DAT
CLK
STB1
PTT/TXD
SOE
HK/RXD
K1
K3
K2
K5
K4
5C
VLI
MIC
MIG
1
CN502

RX ANT

CN603
4
GND
GND
SB
SB
1

INT SP

CN18

+
– BACKUP BATTERY

A

1

B

C

TKR-750

D

E

F

G

H

I

J

PC BOARD / PC板

FINAL UNIT (X45-373X-XX) 0-10 : C 0-11 : C2
Component side view (J72-0910-19)

2

CN8 GND
(BLACK)

C91

CN6 MAIN DC
(RED)

3

+

CN7 BACKUP
(ORANGE)

K1
C37

Back up battery

Main DC

F1

GND

4

C29

L6

CHARGE

R61

L5

C30

C19

R19

CN5

10

Ref. No. Address Ref. No. Address Ref. No. Address
IC1
8K
Q5
5L
D7
3J
11

Q2
Q3
Q4

12

13

80

9H
9F
6I

D2
D4
D5

8J
7Q
9Q

D51
D52
D53

7B
8B
8R

C99

C28

C14

C11

R6

C13

C7
R52

C136

R7

R48

Q2

C10

R9
L2

R10

R53

R8

E
C
B
Q3

R13

E
1

B
3

B

GND

C137

C2

C9

C12

R1

J72-0910-19 (B/2)

R21

R26

+

C15

L3

R11

C3

R49

C42

FAB 1

+B2

R20

C16

R14

R50

C106

+B1

TM

R17

C96

FAG 2

C112

C27

R16

R15
D52

CN4

+

14

R18

Vg

CN52

CN51

D51

C21

8

9

D

C22
L4

6

Q4

G

R28

5

7

C118

+B2

GND

D2

+B1

C143

R64
C1

CN1
TX IN

J

K

L

M

N

O

P

Q

R

S

TKR-750

PC BOARD / PC板

FINAL UNIT (X45-373X-XX) 0-10 : C 0-11 : C2
Component side view (J72-0910-19)

1

2

C57

J72-0910-19 (A/2)

ANT

+

3

D7

C55

L12
C46

C47

C77

L7
C161

C74

C72

C49

L9
C117

C162

R22

R40
C69

C70

L17

C30

R23

Vg

C31

5

L10

D

Q5

C54

G

C71

C163

C118

4

L8

F1

L11

C164

6

C32
L20

R24
C165

R62

C160

D4

TMP

R36

PDT

DET

R71

R31

8

L16
R25

R41

R57

1

C92

R70

TH1

R35

D53

R38

FWD

4

IC1

8T

GND 8
NC
8T
PC
FAS
PDT
BUP
TMP 1

8

C42

C173

D5
C68

ANT SW

L19

CN53
E

R45

CN3

9

RX

R63

5

R34

R28

R29
R26

VR1

R30

C64

PC

R32

R27

C53

7

REV

10

Component side
Layer 1
Layer 2
Layer 3
Layer 4

11

Foil side
12

13

81
14

A

2

C

TKR-750

D

E

F

G

H

I

J

K

L

M

N

O

PC BOARD / PC板

P

Q

R

FINAL UNIT (X45-373X-XX) 0-10 : C 0-11 : C2
Component side view (J72-0910-19)

S

TKR-750

PC BOARD / PC板

FINAL UNIT (X45-373X-XX) 0-10 : C 0-11 : C2
Component side view (J72-0910-19)

CN8 GND
(BLACK)

1

2

J72-0910-19 (A/2)

CN6 MAIN DC
(RED)
C91

C57

1

B

3

D7

+

ANT

+

3

C55

L12
C46

C47

C77

L6

C49

C11

L9

C162

C160

C143

R64
C1

CN1
TX IN

R70

C92

D53

R38

VR1

R71

DET

D5
C68

ANT SW

L19
RX

R63

R31

R25

R41
R57

1

8

L16

IC1
8

R34

R28

R27

R21

D2

C28
R6

C7

C13

TH1

R35

7
C173

FWD

4

PDT

R52

C136

5

C64

PC

R32

8T
R7

R48

Q2

C9

C10

R9
L2

R8

R11
R53

R10

R13

E

B

1

3

E
C
B
Q3

C137

C2

CN5

R23

C31

C112

R18
C99

C14

R29

C15

L3

GND
B

R30

R26

+

C12

FAB 1

+B2

R20

C16
C3

R49

R1

+B1

C53

C42

C106

9

R36

R14

R50

R62

TMP

R19

R15
D52

+

L20

R24

R17

R16

C96

FAG 2

6

D4

C19

CN52

C27

C70

C32
C165

Vg

8

C69

Vg

C21

CN4

R40
L17

C22

D51
CN51

7

D
C30

L4

6

Q4

G

R22

R61

L5

5

L10

D

Q5

C54

G

C117

CHARGE

GND 8
NC
8T
PC
FAS
PDT
BUP
TMP 1

5

C74
C71

C118

+B2

GND

C161

C29
+B1

L8

L7

C37

Back up battery

Main DC

4

C72

K1

C163

CN7 BACKUP
(ORANGE)

F1

GND

4

L11

C164

E

R45

CN3

9

CN53

REV

J72-0910-19 (B/2)
10

10

11

Ref. No. Address Ref. No. Address Ref. No. Address
IC1
8K
Q5
5L
D7
3J
Q2
9H
D2
8J
D51
7B
Q3
9F
D4
7Q
D52
8B
Q4
6I
D5
9Q
D53
8R

Component side
Layer 1
Layer 2
Layer 3
Layer 4

11

Foil side
12

12

13

13

14

14

A

1

B

C

TKR-750

D

E

F

G

H

I

J

PC BOARD / PC板

FINAL UNIT (X45-373X-XX) 0-10 : C 0-11 : C2
Foil side view (J72-0910-19)

2

C167

C146

C145

J72-0910-19 (A/2)

3

C172

C171

4

5

4 3

IC2

C174

5 1

D55

R73

7

C43

C35

C39

C60

8

Q8

10

Ref. No. Address Ref. No. Address Ref. No. Address
IC2
7J
D1
8L
D55
7A
11

IC3
Q8
Q9

12

13

82
14

9O
8I
7O

D6
D8
D9

8O
5O
6O

D56

6B

C80

C81

C82

C83

C84

C85

C155

C86

R72

9

C44

R60

D56

6

J

K

L

M

N

O

P

Q

R

S

TKR-750

PC BOARD / PC板

2

C166

C167

FINAL UNIT (X45-373X-XX) 0-10 : C 0-11 : C2
Foil side view (J72-0910-19)

1

3
C103

C169

C105

C90

C170

C89

C168

GND

4

Back up battery
GND

+B1

C87

5
D8

R55

+B2

Main DC

4 3

IC2

R60

D9

6

5 1

7

Q9

R56

D6

D1

C107

8
C44

C98

IC3
I
G
O

C108

GND
C109

9
+B1

+B2

+ C110

J72-0910-19 (B/2)
10

Component side
Layer 1
Layer 2
Layer 3
Layer 4

11

Foil side
12

13

83
14

A

1

2

B

C

TKR-750

D

E

F

G

H

I

J

K

L

M

N

O

PC BOARD / PC板

P

Q

R

TKR-750

PC BOARD / PC板

FINAL UNIT (X45-373X-XX) 0-10 : C 0-11 : C2
Foil side view (J72-0910-19)

S

FINAL UNIT (X45-373X-XX) 0-10 : C 0-11 : C2
Foil side view (J72-0910-19)

1

2

3

C166

C167

C146

C145

J72-0910-19 (A/2)

3
C103

C169

C105

C90

C170

C89

C168

GND
C172

C171

4

4

Back up battery

+B1

5
D8

5

GND

C87

R55

+B2

Main DC

6

4 3

IC2

C174

R60

D9

D56

6

5 1

D55

7

7

R73

Q9

R56

Q8

D6

C107

8
C44

D1

C35

C39

C60

8

C43

C98

C80

C81

C82

C83

C84

C85

C86

9

C155

R72

IC3
I
G
O

C108

GND
C109

9
+B1

+B2

+ C110

J72-0910-19 (B/2)
10

10

11

Ref. No. Address Ref. No. Address Ref. No. Address
IC2
7J
D1
8L
D55
7A
IC3
9O
D6
8O
D56
6B
Q8
8I
D8
5O
Q9
7O
D9
6O

Component side
Layer 1
Layer 2
Layer 3
Layer 4

11

Foil side
12

12

13

13

14

14

A

1

B

C

TKR-750

D

E

F

G

H

I

J

PC BOARD / PC板

2

DISPLAY UNIT (X54-3330-21) Component side view (J72-0756-12)

3
VR601

4

5

NC
HK

1

MIC

6

MIG
PTT

J601

IC504

GND
8

SB
NC

D503
TX

7
J72-0756-12 B/2

8

S501
PF1

9

16
34
Q512

10

11

12

13

84
14

S502
PF2

S503
PF3

S504
PF4

J

K

L

M

N

O

P

Q

PC BOARD / PC板

R

S

TKR-750

1

2

DISPLAY UNIT (X54-3330-21) Component side view (J72-0756-12)
J72-0756-12 A/2
3

S507
POWER

4

5
D505
GRN RED

D507

D506

MAIN BACKDC
UP
16

1

8

16

1

IC504

6

IC505
9

8

9

D504
BUSY

503
X

7

8

S505
PF5

Component side

S506
PF6

Layer 1
Layer 2

9
Foil side

Q514
16
34

10

Ref. No. Address
IC504
IC505
Q512

6J
6L
10A

Q514
D503
D504

9P
7J
7M

D505
D506
D507

5R
5J
5L

11

12

13

85
14

A

1

B

C

TKR-750

D

E

F

G

H

I

J

K

L

M

N

O

PC BOARD / PC板

P

PC BOARD / PC板

Q

R

S

TKR-750

1

2

2

DISPLAY UNIT (X54-3330-21) Component side view (J72-0756-12)

DISPLAY UNIT (X54-3330-21) Component side view (J72-0756-12)
J72-0756-12 A/2
3

3
VR601

S507
POWER

4

4

5

5
D505
GRN RED

D507

D506

MAIN BACKDC
UP

NC
HK
MIG
PTT

16

1

MIC

6

J601

16

1

IC504

6

IC505

GND
8

SB

9

8

9

NC

D504
BUSY

D503
TX

7

7

J72-0756-12 B/2

8

8

S501
PF1

S502
PF2

S503
PF3

S504
PF4

S505
PF5

Component side

S506
PF6

Layer 1
Layer 2

9
Q514
16
16

9
Foil side

34

34
Q512

10

10

11

12

Ref. No. Address
IC504
6J
IC505
6L
Q512
10A
Q514
9P
D503
7J
D504
7M
D505
5R
D506
5J
D507
5L

11

12

13

13

14

14

A

1

B

C

TKR-750

D

E

F

G

H

I

J

PC BOARD / PC板

2

DISPLAY UNIT (X54-3330-21) Foil side view (J72-0756-12)
J72-0756-12 A/2

43

61
Q519

34
34

43

Q518
16
Q517
16

C519

C517

NC

R516

C521
Q508

R

10

Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC501
IC502
IC503

9J
7D
9P

Q507
Q508
Q509

7B
8J
7F

Q521
Q522
Q523

5H
5I
4H

D511
D512
D513

6D
7E
6C

IC506
IC507
Q501

8I
8F
9I

Q510
Q511
Q513

6B
6C
9N

Q524
Q525
D501

4I
6F
9I

D514
D601
D602

6D
5R
4R

Q502
Q503
Q504

9H
7F
7G

Q516
Q517
Q518

5J
5I
4I

D502
D508
D509

9I
7E
8E

D603

4R

Q506

7G

Q519

4J

D510

6D

C502

VR501

Q501
R508

HK 1

R507

Q502

R505

C501

MIC

R506

+

MIG

+

D501

R510

+ C503

C506

C505

PTT
R503

C

D502

GND

R509

CN501

R502

R526

NC

C504

9

C522

C516

R525

SB

Foil side

86

O

C523

5M
GND

C518

Layer 1
Layer 2

+

IC506

I

IC507

G

O

C524

C525

VLI 11

C511

+

G

R518

BUSY
GRN
I

RED

D508

Component side

14

43

RED
T

34
Q503

C526

13

61
Q524

Q506

R541

R542

61
Q504

Q509
16

D509

8

12

43

34
34

C520
1

R534 R537

43

16

IC502

D512

R540

R539
8

7

11

CP501

D511

D510

D514

D513

R538

9

CP503

R517

D

S

R536

34
Q507

R606

G

Q525
R535

16

R544

R543

R520

Q511

6

CP502

MAIN DC
GRN

Q510

R519

BACKUP
RED

Q523
16

5

Q521
16

CP504

61
Q522

4

61
Q516

3

C507

1
IC5
4

J

K

L

M

N

O

P

Q

R

S

TKR-750

PC BOARD / PC板

1

2

DISPLAY UNIT (X54-3330-21) Foil side view (J72-0756-12)

3

C606

5M

1 VLI

GND

NC

SB

NC

GND

PTT

MIG

MIC

11 HK

CN601

C603

61
Q519

D603

D602

R605

43

4

61
Q516

43

C602

5

D601

C601

R601

NC
HK
MIG
PTT
GND

6

C607

R604

MIC

SB
NC

GRN

RED

7

R516

TX

5C
MIC 2

9

R521

C512

9

IC503

34

8

C514

R522

16

Q513
16

R532

R531

R530

R523
C515

K5

K3
K2

VLI

HK/RXD
K1

CLK

PSW

NC

SOE PTT/TXD

STB1

DAT

K4

R533

8

C513

1

5

R514

R513
+

IC501
4

R529

R512

8

C510

1

C509

R509

R510

R511

1 MIG

C508

CN502

GND

19 SB

R524

SB 20

J72-0756-12 B/2

7

10

11

12

13

87
14

A

1

B

C

TKR-750

D

E

F

G

H

I

J

K

L

M

N

O

PC BOARD / PC板

P

Q

R

S

TKR-750

PC BOARD / PC板

1

2

2

DISPLAY UNIT (X54-3330-21) Foil side view (J72-0756-12)

DISPLAY UNIT (X54-3330-21) Foil side view (J72-0756-12)

J72-0756-12 A/2
3

3

C606

5M

1 VLI

GND

NC

SB

NC

GND

PTT

MIG

MIC

11 HK

CN601

C603

D603

61
Q519

R605

43
43

34
34

61
Q516

Q518
16
Q517
16

C601
C519

7

R516

+

D501

5

5C
MIC 2

R521
9

9

IC503

C514

C512
16

Q513
16

R532

R531

R530

R523
C515

1 MIG

K5

K3
K2

VLI

HK/RXD
K1

CLK

PSW

SOE PTT/TXD

STB1

K4

R533

R522

34

8

+

8

C513

1

4

R513

R514

8
IC501

C510

C506

1

R529

R512

C509

R508

VR501

Q501

C502

Q502

R507

R506

R505

C501

R503

+

MIG

R510

C504

+ C503

PTT

HK 1

R511

C505

GND

MIC

C508

D502

R509

CN501

R502

NC

DAT

R525

SB

NC

SB 20

C516
19 SB

C517

NC

R524

GND

CN502

GND

C522

Q508

5M

J72-0756-12 B/2

C521

O

G

C523

+

IC506

I

IC507

G

O

C524

VLI 11

C511

I

BUSY
GRN

D508

C525

C607

R604
Q506

R542

R541

RED

R518

C518

6

GRN

RED
TX

R526

Foil side

C507

10

10

12

43
43

34
34

C520
1

R534 R537

61
Q504

Q509
34
Q503

+

PTT
SB

16

IC502

D512

R540

R539
8
9

Layer 1
Layer 2

HK
MIG

NC
43

C526

Component side

NC

16

D509

8

5

D601

MIC

D511

D510

D514

D513

R538

7

11

CP501

R517

D

S

R536

34
Q507

D602

GND

R606

G

Q525
R535

16

R544

R543

9

CP503

4

R601

R520

Q511

6

CP502

MAIN DC
GRN

Q510

R519

BACKUP
RED

Q523
16

5

Q521
16

CP504

61
Q522

4

61
Q524

C602

Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC501
9J
Q507
7B
Q521
5H
D511
6D
IC502
7D
Q508
8J
Q522
5I
D512
7E
IC503
9P
Q509
7F
Q523
4H
D513
6C
IC506
8I
Q510
6B
Q524
4I
D514
6D
IC507
8F
Q511
6C
Q525
6F
D601
5R
Q501
9I
Q513
9N
D501
9I
D602
4R
Q502
9H
Q516
5J
D502
9I
D603
4R
Q503
7F
Q517
5I
D508
7E
Q504
7G
Q518
4I
D509
8E
Q506
7G
Q519
4J
D510
6D

11

12

13

13

14

14

A

1

B

C

TKR-750

D

E

F

G

H

I

J

PC BOARD / PC板

TX-RX UNIT (X57-695X-XX) (A/2) 0-11 : C 0-12 : C2
Component side view (J72-0923-19 A/2)
2

3
L3

L2

4

L6

L5

CN18
A4

A5

A

A6

L19
R46

C67

R61

R41
C37

XF1

D1

C66

A9

C211

L14

XF2
L18

R70

Q26

R57

C216

C74

D2

R60
C217

R63

11
R65

10
R62

R196

CF1
WIDE

CF2
NARROW

IC9

C48

L24

WIDE

R44

DT

FCR

L17

PSW

8

L16

NARROW

C64

7

CN2

C51

L15

R54

20

1

1

2

1

R45
C210

C59

L20

CN15

CN4
C60

C58

6

C53

R50

X1

E 1

B

B 3

2

5

Ref. No. Address Ref. No. Address Ref. No. Address
IC4
11B
Q4
9F
Q27
9F
IC5
IC9
IC10

13

88
14

10I
7D
11I

Q16
Q17
Q26

10K
10K
8E

D1
D2

7J
7F

LD2

9V

C174

I

O

IC10

G

C159

C158

O

G

I
IC5

C161

I

MO

12

C160

R137

R139

R198

O

SB

G

IC4

11

R141

CN14

8CR

SOE
5CR

STT

+
F1

C172

10

TX
R69

C173

+

Q4

FCT

CK
QS
STB4

K1

R197

NC 1
DET 2
NC
GND
ASQ
RSSI
SC
DP R142
CP
EPR
R140
EPT
LDR
LDT
DT
R138
CK
STB
FWD
LD2
BUP
PSW
TMP
SOE
GND
MB
MO
GND
GND
QS
NC
SB
SB
SB
SB
NC
8C 35
8C 36

C76

9

SRR

Q27

+

J

K

L

M

N

O

P

Q

PC BOARD / PC板

R

S

TKR-750

1

TX-RX UNIT (X57-695X-XX) (A/2) 0-11 : C 0-12 : C2
Component side view (J72-0923-19 A/2)
BUP

8 TMP

PDT

FAS

PC

8T

NC

1 GND

CN16

2
CN19

3
C125

GND2
L7

VO

+
TP102
TX CV
A7

A8

8CT

GND1
STT

4

FIN

8CL

5C
A2 : TX VCO (X58-479)

C137

CN1

+

CV

LDT

9CL

EPT

MO

DP

5

CP
REF

+

1

C212
C213

R32

R31

CN2

L41

2

C139

6

R30

C37

FCT
CP
CP
EPT
LDT

R41

A1

D1

R112

R111

7
R110

A10

GND2

8

C124

CN3

VO

GND1

+

SRR

TP101
RX CV
8CR

8CL

C136

5C

9

A3 : RX VCO (X58-478)
CV

LDR

9CL

EPR

NC

DP
CP

C144

C147

E

+

C

B

R128

C159

Q17

9V

10

REF
C138
+

11

C171

+

LDR
EPR
DP
CP

R129

C174

C158

+

Q16

+

FIN

J72-0923-19 A/2

12

Component side
Layer 1
Layer 2
Layer 3
Layer 4

13
Foil side

89
14

A

C

TKR-750

D

E

F

G

H

I

J

K

L

M

N

O

PC BOARD / PC板

P

Q

PC BOARD / PC板

TX-RX UNIT (X57-695X-XX) (A/2) 0-11 : C 0-12 : C2
Component side view (J72-0923-19 A/2)

R

S

TKR-750

1

TX-RX UNIT (X57-695X-XX) (A/2) 0-11 : C 0-12 : C2
Component side view (J72-0923-19 A/2)
BUP

8 TMP

PDT

FAS

PC

1 GND

8T

CN16

2

NC

1

B

2
CN19

3

3
L3

L2

L7

L6

L5

C125

GND2
VO

+

4

TP102
TX CV

CN18
A4

A5

A6

A7

A8

8CT

GND1
STT

FIN

8CL

4

5C
A2 : TX VCO (X58-479)

C137
+

CN1

5

CV

LDT

9CL

EPT

MO

DP

5

L15

R31

L41

6

R30

C37

FCT
CP
CP
EPT
LDT

R41

XF1

A1

D1

7
R110

XF2
L14

L18

R112

A10

C48

GND2

WIDE

R44

L17

PSW

R111

A9

C211

R70

R57

Q26

C74

D2

R60

L24

C124

CN3

DT
LD2

Q16

5C
A3 : RX VCO (X58-478)

CV

LDR

9CL

EPR

NC

DP

9

CP
C144

C147

E

+
C

R128

FIN

REF

10

C138
+

G

R129

+

LDR
EPR
DP
CP

11

C171

C174

O

IC10
I

B

Q17

9V
C159

C158

O

G

I

C160

IC5

C161

F1

C172

I

13

Ref. No. Address Ref. No. Address Ref. No. Address
IC4
11B
Q4
9F
Q27
9F
IC5
10I
Q16
10K
D1
7J
IC9
7D
Q17
10K
D2
7F
IC10
11I
Q26
8E

SOE
5CR

STT

+

MO

12

8CL

C136

R137

R139

R141

R198

O
G

IC4

SB

SRR

TP101
RX CV
8CR

+

CN14

8CR

11

TX

GND1

+

R69

C173

10

FCT

CK
QS
STB4

+

R197

NC 1
DET 2
NC
GND
ASQ
RSSI
SC
DP R142
CP
EPR
R140
EPT
LDR
LDT
DT
R138
CK
STB
FWD
LD2
BUP
PSW
TMP
SOE
GND
MB
MO
GND
GND
QS
NC
SB
SB
SB
SB
NC
8C 35
8C 36

C76

K1

Q4

SRR

Q27

9

8

VO
FCR

8

L16

R46

C67

R61
C216

R63

R32

C66
C217

R62

11
R65

10

R196

CF1
WIDE

CF2
NARROW

IC9

C212
C213

NARROW

C64

7

CN2

C51

L19

C210

R54

20

1

+

1

2

1

R45

C60
C59

L20

CN15

C58

6

REF

C139

CN4

C53

R50

X1

E 1

B

B 3

2

CP

J72-0923-19 A/2

Component side
Layer 1
Layer 2
Layer 3
Layer 4

12

13
Foil side

14

14

A

1

B

C

TKR-750

D

E

F

G

H

I

J

PC BOARD / PC板

TX-RX UNIT (X57-695X-XX) (A/2) 0-11 : C 0-12 : C2
Foil side view (J72-0923-19 A/2)

L38

L39

L37

L35

L36

C208

R17

C129

Q18
E

C150

R9

R10

C20

Q15
C135

R34

R94

GND2

C93

8

Q8

VO

L25

R93

R97

B

C110

C108

R98

C

C97

E

C109

C92

L29

C113

R100

L12

R35
C34
C107

R91

L30
C111

R92
R160 C91

L31

R104

C100

Q9

A11

C106

C126 +
L32
FIN

GND1

C128

SRR

C122

C142 Q14
C132

1

C149

+

R126 R124 C140
C148

G

C146

O

+

C134

IC3

X2

L28

R88

NC

IC2
8

C130

9CL

4

I

R73
R76

5

C145

REF

C84
R75 C83

R158

R77

R157

CP

C90

DP

C81

R156

CV

C104

EPR

C105

10

R155

Q12
R123

C88

LDR

R120

C121

8CL

5C

9

11
J72-0923-19 A/2

12

Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC1
4C
Q1
3M
Q8
8C
Q14
10G
Q25
9R
D11
10N

13

90
14

R3

C3

L26

R99

R3

L13

R22

C98

R36

C32
C95

B

C33

7

Q2

C31

R37

C30

L11

R33

C209

+

R125 C141

R127

C143

C87

R90

C133

C176

C175

I

R87

MO

Q19

R6

G

+

CV
9CL

L10

+

O

L27

6

8CL C86
C152

C

B
IC11

X3
C178

C89

REF

R130

C177

R154

R122
C131

+

C219 +

R78

C82

R153

CP

+ C24

Q13

C120

STT

R74

DP

+ C25

C80

R152

1

C102

R151

EPT

C103

LDT

C179

8

R20

5C

5

4
IC1

R19

5

R79

FIN

R21

4

C16

R121

C123

GND1

R18

R82

C167

C17

C19

C195

C207
C194

C193

C206
C192

C18

C127 +

R148

R109

C99

C96

R13

VO R159

C205
C191

C204

Q23

C166

D8

R144

C164

R16

R106
R96

GND2

R143

C23

C22

3

L22

R95

Q11

R15

R14

L34

2

IC2
IC3
IC6

10D
10E
9K

Q2
Q3
Q5

7J
7O
9N

Q9
Q10
Q11

7D
3N
3C

Q15
Q18
Q19

5G
5E
5E

D3
D4
D5

7Q
8Q
11O

IC7
IC11

9L
6E

Q6
Q7

9N
10O

Q12
Q13

9G
4G

Q23
Q24

3D
9R

D7
D8

9S
3D

D12
D13

9Q
11N

J

K

L

M

N

O

P

Q

R

S

TKR-750

PC BOARD / PC板

1

TX-RX UNIT (X57-695X-XX) (A/2) 0-11 : C 0-12 : C2
Foil side view (J72-0923-19 A/2)
2
R4

B

C4

3

C1

C3

C2

C6

C8

L4

Q10
R5
C199

R7

C12

R1

C9

C15

L8
C5

C11

C13

L1

L9

C
Q1

C14

6

C7

E

R3

C214
C10

R11

L33

4

5

L23

C55
R52

R161

7

R55

D4

8
C62

R58

C63

R42

C68

C40

R56

R162

R164

R163

C49

C46

C44

L13
C36

D3

C70

C197

R150

C43

C38

R38

R53

C54

C69
R8

R83

L21

E

C

R39

C56

C57

C65 +
R49

Q3

R48

C50

C47

C45

C42

C39

Q2

R51

R40

D7

R166

R165

Q24

9
C162

Q25

D12
Q5

8

1

16

Q6

IC7

9

16

1

8

C163

IC6
C155

C73

C184

C77

C156

11
C157

C72 +

+
C153

L43
R68

C151

C78
R176

C71

D5

D13

C79

R72

R71

Q7

C75
C218

C185

10

R66
R67

TH1

C190

D11

C154 +

C189

C34

C198

C52

9

R35

R36

C32

R37

C33

B

L12

R43

6

C61

C41
C31

R47

R34

12

Component side
Layer 1
Layer 2
Layer 3
Layer 4

13
Foil side

91
14

A

1

B

C

TKR-750

D

E

F

G

H

I

J

K

L

M

N

O

PC BOARD / PC板

P

Q

R

TKR-750

PC BOARD / PC板

TX-RX UNIT (X57-695X-XX) (A/2) 0-11 : C 0-12 : C2
Foil side view (J72-0923-19 A/2)

S

1

TX-RX UNIT (X57-695X-XX) (A/2) 0-11 : C 0-12 : C2
Foil side view (J72-0923-19 A/2)
2

2

Q18
E

C150

R90

C7

R3

C2

C6

R52

C55

R47

D3

R55

D4

C62

D7

R166

R165

8

Q24

C162

Q25

D12
Q5

Q6

IC7

9

16

D11
C184

TH1

C75
C77
L43
R68

C72 +

+
C153

C78
R176

11
C157

D5

D13

C79

R72

R71
C185

Q7

C156

C190

R67
C218

C189

10

R66

C149

11

C73

C71

C154 +

C134
R126 R124 C140
C148

G

C146

9
C132

IC3
+

9

C155
C142 Q14

X2

+

R123
C130

NC
1

O

L28

8

I

R73
C84

R88

9CL

4
IC2

C145

REF

5

R76

R158

R75 C83

CP

C81

R157

R77

R156

DP

CV

C104

EPR

C90

R155

8

C121
C88

C163

1

8CL

8

Q12
1

5C

R120

16

C122

IC6

C128

SRR

C105

10

GND1

R58

C106

FIN

7

R164

R163

R42

R99

L32

LDR

R53

R83

L21

E

C

C40

C126 +

9

C56

C57
C54

R49

Q3

R48

C50

C47

C45

C42

C39

Q2

L12
R36

B
L13
C36

L26

R161

C68

C98

R22

C70

C197

R162

C113

C69
R8

R150
C49

E

R39
R38

C46

C97
R100

C34

A11

R40
C43

C108

C65 +

C52

C38

C110

C

C198

C151

R93

B

R98

R35

R51

6

C61

R56

VO

L25

R97

R43

C63

8

Q8

R94
C93

L29

L23
C41

C31

C44

C92

GND2

L30

C109

R160 C91

C8

R34

R37

C30

L11

R33

C209

+

R127

C143

C135
R125 C141

C107

R91

L4

5

C133

C111

R92

C12

R9

Q15

R10

C20

MO
C87

C175

I

R87

L31

R104

C100

Q9

C9

C15

C19

4

R122

C32
C95

L33

C120

C33

7

R11

9CL

Q19

R6

G

+

Q10
C199

L10

+

CV
C152

C

B
IC11

L27

6

3

C1

C3

8CL C86

C176

R20

R21

X3

O

C89

REF

+

R130

C177

R154

C178

R153

CP

C82

DP

C4

C131

C219 +

R78

L8
R1

R5

Q13

STT

R74

R152

+ C25
+ C24

B

C5

C11

C13

R121

C123

GND1

C80

EPT

1

C102

R151

C103

LDT

C179

8

R19

IC1

5C

5

4

R18

R82
R79

FIN

5

C14

C16

L1

L9

C208
C195

C207
C194

C129

C17

R7

L38

L39

L37

L35

L36

C193

C206
C192

C127 +

R17
C167

4

E
C

Q1
C18

R148

R109

R13

C99

C96

VO R159

C205
C191

C204

Q23

C166

R144

D8

C164

R16

R106
R96

GND2

R143

C23

C22

3

L22

R95

Q11

R15

C214
C10

R14

L34

R4

J72-0923-19 A/2

12

13

14

Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC1
4C
Q1
3M
Q8
8C
Q14
10G
Q25
9R
D11
10N
IC2
10D
Q2
7J
Q9
7D
Q15
5G
D3
7Q
D12
9Q
IC3
10E
Q3
7O
Q10
3N
Q18
5E
D4
8Q
D13
11N
IC6
9K
Q5
9N
Q11
3C
Q19
5E
D5
11O
IC7
9L
Q6
9N
Q12
9G
Q23
3D
D7
9S
IC11
6E
Q7
10O
Q13
4G
Q24
9R
D8
3D

Component side
Layer 1
Layer 2
Layer 3
Layer 4

12

13
Foil side

14

A

2

C

TKR-750

D

E

F

G

H

I

J

PC BOARD / PC板

TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : C 0-12 : C2
Component side view (J72-0923-19 B/2)
19 MIG
MIC 20
5C
VLI
K5
K4
K3
K2
K1 HK/RXD1
SOE PTT/TXD1
STB1 CLK
DAT PSW
NC
GND
SB 2
1 SB

1

B

C781
R601

C769

I

O

C766

C600

I

IC628

C780

R605

R604

L606

3.3D

L601

R836

L604

Q612
C623

R603

+

D600

C785

C613

G

5-TONE

+ C826

5

O

C786

O

4

IC624

G

C825

I
IC627

G

CN600

C806
+

3

G
I
IC601

O

7

+
C645

C644

6

8

+ C646
C691

9

TRST GND NC

TMS TD1 DVDD TD0 TCK TCK EMU0

J72-0923-19 B/2

1

10

Ref. No. Address Ref. No. Address Ref. No. Address

11

12

13

92
14

GND GND GND EMU1

IC601
IC602
IC605

6A
7K
6K

IC628
IC629
IC630

3G
4R
4N

D600
D614
D618

4B
6M
6M

IC607
IC623
IC624

8O
8K
4G

Q607
Q608
Q612

8L
9L
5B

D621
D626
D629

7M
4M
6N

IC625
IC627

4K
4A

Q613
Q614

8M
9M

L

J

K

L

M

N

O

P

Q

R

S

TKR-750

PC BOARD / PC板

TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : C 0-12 : C2
Component side view (J72-0923-19 B/2)

1

2

1
C800
+

3

ANI
R781

I

D626

R612

CN609
8C
R613

R609
R611

CP600

R607

C770

C767

I

O

G
L607

+

IC625

R601

C781

CN610
SB

C817
+

G

C789
+
IC629

O
IC630
C801 +

CP601

4

SB

C795

C798
+

C814

L608

C805

D629

Q608

+

+

C773

C828

R676 R669 R671

+

8

+

R812

C681

C774

R752

R766

R760

R768

R771

R751

C827

+

R749

R750

C762

C663 +

R839

C772

8

2 SPG

1 SPO

R840

C794

C792

4

R657

R658

C765

R655

1

16

5

+ C823

C760 R675

CN605

IC623

IC607

Q607

Q613

1

8

C796

C799

C802

C804

C820

C807

C809

C812

C816

C790

C649

R765

C788

C813

R841

C657 R674

9

7

CN606

L611
C810

C808

9

8

R793

D621

C819

C818

R742

CN604

CN608
RSSI

NC 30
NC
NC
NC
RXD2
TXD2 EMON
EPTT
AI1
5C
AI2
NC
AI3
TXG
DG
IO1
TD
IO2
TA
IO3
RD
IO4
RA
IO5
RXG
IO6
SPM
1 NC
NC 2

AO5 1
AO4
AO3
SPO
SPO
AO2
AO1
SPI
RSI
RD
SPG
SPG 12

9

IC602

CN601

6

16

D EMU1
K EMU0

R789

R785

IC605

8

L613

C803

R653

L612

D618

D614

16

C642

1

1

C811
+

CN603

DEI

TXO 1
TXI
RXO
AC
BC1
BC2
BC3
BC4
PTI
CLRC
RXI
PTO
NC
GND 14

10

R764 29 NC

DEO

5

+

SB 1
SB
GND
GND 4

R654

9

C652 R672

Q614

10

Component side
Layer 1
Layer 2
Layer 3
Layer 4

11

Foil side

12

13

93
14

A

1

2

B

C

TKR-750

D

E

F

G

H

I

J

K

L

M

N

O

PC BOARD / PC板

P

Q

S

TKR-750

PC BOARD / PC板

TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : C 0-12 : C2
Component side view (J72-0923-19 B/2)

R

TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : C 0-12 : C2
Component side view (J72-0923-19 B/2)

1

2

MIC 20
19 MIG
5C
VLI
K5
K4
K3
K2
K1 HK/RXD1
SOE PTT/TXD1
STB1 CLK
DAT PSW
NC
GND
SB 2
1 SB

1

D626

R612
R613

R609
R611

R607

C770

C767

I

G

C781

O
IC625

C600

I

O

IC628
C769

I

O

C817
+

IC629

4

C798
+

C814

J72-0923-19 B/2

L608

D629

C805

C809

R752

R760

R766

R768

R771

R751

C827
+

C762

C663 +

R839

C772

8

2 SPG

1 SPO

R840

+

R812
R676 R669 R671

C681
Q608

+

8

+

+
C828

R657

R655

1

16

5

+ C823

C760 R675

CN605

IC623

C774

R750

4

Q613

C794

C792

R749

C812

C816

C790

C788

C649

IC607

Q607

C796

C799

C802

C804

C820

C807

C819

C818

NC 30
NC
NC
NC
RXD2
TXD2 EMON
EPTT
AI1
5C
AI2
NC
AI3
TXG
DG
IO1
TD
IO2
TA
IO3
RD
IO4
RA
IO5
RXG
IO6
SPM
1 NC
NC 2

R742

C813

C810

L611

R841

R765

R789

AO5 1
AO4
AO3
SPO
SPO
AO2
AO1
SPI
RSI
RD
SPG
SPG 12
C808

8

9

7

CN606

C657 R674

GND GND GND EMU1

TMS TD1 DVDD TD0 TCK TCK EMU0

R793

D621
9

8

C765

TRST GND NC

CN604

CN608
RSSI

C773

C691

9

IC602

CN601
+ C646

6

16

R658

C644

C645

8

L612

R785

IC605

8

L613

C803

R653

+

D618

D614

16

C642

1

1

C811
+

CN603

DEI

TXO 1
TXI
RXO
AC
BC1
BC2
BC3
BC4
PTI
CLRC
RXI
PTO
NC
GND 14

10

R764 29 NC

DEO

5

+

SB 1
SB
GND
GND 4

R654

6

9

+
SB

C795

O

7

C789

O
IC630
C801 +

Q612

G
I
IC601

I
G

CP601

C623

R603

CN609
8C

R836

L604
C613

CP600

3

ANI
R781

1

L601

5

L607

+

3.3D

D600

C785

C800
+

CN610
SB

R601

+ C826

L606

R605

4

R604

5-TONE

+

C766

O

G

G

IC624

C825

I
IC627

C780
C786

3

G

CN600

C806
+

9

C652 R672

Q614

1

10

11

Ref. No. Address Ref. No. Address Ref. No. Address
IC601
6A
IC628
3G
D600
4B
IC602
7K
IC629
4R
D614
6M
IC605
6K
IC630
4N
D618
6M
IC607
8O
Q607
8L
D621
7M
IC623
8K
Q608
9L
D626
4M
IC624
4G
Q612
5B
D629
6N
IC625
4K
Q613
8M
IC627
4A
Q614
9M

Component side

10

Layer 1
Layer 2
Layer 3
Layer 4
Foil side

11

12

12

13

13

14

14

A

TKR-750

D

E

F

G

H

I

J

PC BOARD / PC板

CN602

R754
R762

C783

Q609

C791

R608

D627
R811

R767

R802

TH700

+ C722

C692

1

R718

R710

C724

IC613

8

C721

+
9

R717

C679

+

C728

1

8
R712

IC616
4

5

C693

IC612

C725

8

C690 R684

4

IC611

R686 R685

5

R707

+

C711

34

9

R708

13

C709
1 5

1

8

C696

R698

IC614

C700 +

C705

+

R694

16

C715

16

+

C708

R696

C706 +

C758
R681

C670

R713

C771

R690 C768

C695

R689

L605

C697

24

R722

R719
R843

+

C707

C694

IC626

R695

C782

G
I

Q615

C639

+

R842

+

R813

C662

R735

+

O

12

R692
R697

+

C704

R714

4

1

5

R709

R680

C852

R804

C723

R69

5 1

C710

IC610

4 3

C712

C648

C740

R738

R729 R740

C743 R739

R737 C739

C701

+

IC615
R715

IC617

C730

5 1

C703

C821

C761

+

R683

1

C729 +

C763

9

D609

R803

D607

R798

D606

1
16

IC620

9

8

8

+

1

R721

+

R799

C822

+

R795

8

C776

+

R794

D622

R772

R779

C779

C777

+

R773

C775

D616

7

8

4 5
IC619

C736

R780

R777

1

R682

D620

4 3

IC608

C841

R806

R808

R732 R736

D611

R805

D615

D619

R807

R810

R778

C684

+ C643

R670

C720

R743

R809

D608

R783 R787 R791

C746 +

C744

R776

R790

D610

D612

R782

R775

R786

D623

6

R728 R741

R747

43
IC621
51

R668

R693

R844
R673
C647

R678

Q605

C726

5

TH701

R745 C764

C685

C815

C698

R815

R744

IC622
43
51

+

Q611
R753

D628

C778

Q606

4

R610

C605

S

G

R774

R758

C787

C797

C793

C784

Q6
D

1 8C 2
NC
SB
SB
QS
GND
MB
SOE
PSW
LD2
STB
DT
LDR
EPR
DP
RSSI
GND
35 DET36

D
Q610

3

8C
SB
SB
NC
GND
MO
GND
TMP
BUP
FWD
CK
LDT
EPT
CP
SC
ASQ
NC
NC

TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : C 0-12 : C2
Foil side view (J72-0923-19 B/2)
R763

2

C

C602

1

B

EMU1

R679

EMU0

10

Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC600
4O
IC612
8J
IC620
8B
Q602
3J
Q615
6I
D615
6D
IC603
9N
IC613
8J
IC621
5C
Q603
4K
D606
7C
D616
7B

11

12

13

94
14

IC604
IC606
IC608

6Q
4M
6G

IC614
IC615
IC616

8H
8F
9H

IC622
IC626
IC631

5C
7H
3N

Q604
Q605
Q606

8L
5C
4C

D607
D608
D609

7C
6C
7D

D619
D620
D622

6C
7A
7B

IC609
IC610
IC611

9Q
6H
9F

IC617
IC618
IC619

8D
7L
6F

IC632
Q600
Q601

3M
4Q
3K

Q609
Q610
Q611

4E
3E
4D

D610
D611
D612

6B
6E
6B

D623
D627
D628

6A
4G
4D

J

K

L

M

N

O

P

Q

R

S

TKR-750

PC BOARD / PC板

R820

C759

+ C757

+

R643
R645
R646
R667

IC618

C708

+

C696

+ C753
C752

R662

+

C711

R663

C709

C710

C748

+ C756
109
108

72
73

C638

R619

C851
R626
R625
R624
R623

R615

CP620
CP605 CP604

5

R638
C641

100

+ C640

IC604

R639
R641

L602

CP610

R630
R631
R622
R637

R618

6

CP611

C695

+ C754
C747

C693

C707

R614

1

R817

CP608

R697
R813

C694

R695

R693

R692

C750

R600 R602

4

R647
R648
R649
R650
R651
R665

50
51

76
75

R661

CP612

144

S
G

C614

25
26

R635

CP614
R652

C749

1

D

Q600

CP607

36
37

CP606

L603
R644

R666

C843

R691

R837
R627

R642

R664

1

R629

R834

R640

24

C635 C634 C629

C616

IC606

+

1

R634

8

CP609

+ C733

X600

IC600

CP603

C742

C745

C741

C732

R726

C731

R724

R723

R720

C718

C713 +

R700 R702

Q603
C717

12

4

R814

5

R633

R819

R606

13

3

R620

C829

R823 R821

R824

R616

CP619

CP617

7
R660

CP615

C755 R688

R659

CP613

R656

C751 R687

CP618

R730 C824

CP616

8

C735

C734

EMU1 GND GND GND

NC GND TRST

R733

12

1

IC603

24

32
L600

S

13

X601

D

R727

G

C737

C738

R734

R705
R703

R704

R701
R699

C712

IC613

1

C716

R731

L605

16

C714 +
C719

C727 Q604

2

R818

R621

C833

C830

C836
R828 IC631 5 4
C837
8 1
R826

R827
C834

8 1

R829

IC632
5 4

C840
R822
R830
C835

C842 +

R833

R832
R831
C838

C832

C839

S
G

C831

Q602 Q601
D

R825

TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : C 0-12 : C2
Foil side view (J72-0923-19 B/2)

1

IC609

1

16

9

17

C844

EMU0 TCK TCK TD0 DVDD TD1 TMS

J72-0923-19 B/2

10

Component side
Layer 1
Layer 2
Layer 3
Layer 4

11

Foil side

12

13

95
14

F

G

H

J

K

L

M

N

+ C722

C692

R

TKR-750

R820

C710

C752
R662

+ C756
109
108

72
73

11

R615

CP620

R633

R814
R634
C638

R619

CP610

L602

CP608

CP607

IC604

R639
R641

6

R647
R648
R649
R650
R651
R665

50
51

76
75

R661

CP614
CP619

CP617

R660

CP615

C755 R688

7
R659

CP613

R656

C751 R687

CP618

CP616

8

D

S

C735

C734

EMU1 GND GND GND

NC GND TRST

R679

R733

13

12

1

IC603

24

32
L600

G

R727

R731

C737

C727 Q604
C738

R704

R705
R703

C716

R701

C719

R699

C712

R712

Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC600
4O
IC612
8J
IC620
8B
Q602
3J
Q615
6I
D615
6D
IC603
9N
IC613
8J
IC621
5C
Q603
4K
D606
7C
D616
7B
IC604
6Q
IC614
8H
IC622
5C
Q604
8L
D607
7C
D619
6C
IC606
4M
IC615
8F
IC626
7H
Q605
5C
D608
6C
D620
7A
IC608
6G
IC616
9H
IC631
3N
Q606
4C
D609
7D
D622
7B
IC609
9Q
IC617
8D
IC632
3M
Q609
4E
D610
6B
D623
6A
IC610
6H
IC618
7L
Q600
4Q
Q610
3E
D611
6E
D627
4G
IC611
9F
IC619
6F
Q601
3K
Q611
4D
D612
6B
D628
4D

C641

100

IC609

1

16

9

17

C844

EMU0 TCK TCK TD0 DVDD TD1 TMS

10

5

R638

1

C714 +
16

IC613

8

C721

1

R618

+ C640

R730 C824

+

R600 R602
C614

R817

CP611

+ C753

C851
R626
R625
R624
R623

R834

CP606

R643
R645
R646
R667

S
G

4

CP612

+ C757

D

Q600

25
26

R652

C759

CP609

+ C754

R630
R631
R622
R637

R666

+

C711

C635 C634 C629
R629

R635

R664

C745

R726

C693

C709

R620

CP603
R614

C748

8

5

C750

R663

C771

C696

R621

C829

R823 R821

C830

C831

R825

C839

C840
R822
R830
C835

R829

L603

IC618

R694

X600

1

R837
R627

R642

C747

+
+

34

IC616
4

37

X601

C724

C695
C708

9

C726

R717

R710

1

144

4

C616

1

2

R819

8

C749

1

L605

1

R718

C728

36

IC612

C725

8

+

24

1

3

IC600

R640

+

R698

9

R707

C707

R689

1 5

R708

C679

4

IC611

+ C733

R696

IC614
8

13

5

S

R818

5

IC606

R697

C694

+

16

R695

Q615

IC626

R690 C768

C700 +

C705

C742

R813

C662
C697
C715

C690 R684

C670

5
R713

C782

G
I

C706 +

C758

R721

R719
R843

4

IC617

C821

R680

C639

+

R842

+

R692

C852

R804

C729 +

5 1

C704

12

R714

R691

O

IC615

R709

4 3

+

C698

+

24

R616

R644

R735

C841

+
C720

+

C723

12

C843

R693

C685

C648

C740

R738

C743 R739

R729 R740

IC610

1

C822
C730

+

1

R715

C833

R683

R722

C761

5 1

IC608

R686 R685

C763

D609

R803

D607

R798

D606

1
16

IC620

9

8

8

4 3

C703

8

+

R799

1

+

R795

TH700

C776

+

R794

D622

R772

R779

C779

C777

+

R773

C775

D616

7

R728 R741

C736

R780

R777

4 5
IC619

C741

C732

C684

+ C643

R670

8

1

C701

D620

R737 C739

R732 R736

D611

R805

D615

R806

R808

R681

R810

R778

R682

R783 R787 R791

R807

D619

R743

R809

D608

R790

D610

D612

R776

C746 +

R668

R678

TH701

R844
R673
C647

C731

R724

C713 +

R723

R802

R720

C718

R700 R702

C717

C744

R775

R786

R782

6

R833

R608

Q603

R811

R734

C791

R747

D623

C836
R828 IC631 5 4
C837
8 1
R826

D627

R767

C815

8 1

13

C783

Q605
43
51

C842 +

IC632
5 4

R606

R745 C764

IC621

R832
R831
C838
R610

C602

C605
R753

D628

Q609

R815

R744

IC622
43
51

+

Q611

S
G

R827
C834

8C
SB
SB
NC
GND
MO
GND
TMP
BUP
FWD
CK
LDT
EPT
CP
SC
ASQ
NC
NC
1 8C 2
NC
SB
SB
QS
GND
MB
SOE
PSW
LD2
STB
DT
LDR
EPR
DP
RSSI
GND
35 DET36

D
Q610

C778

R762

Q602 Q601
D

S

R754

Q606

4

Q

TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : C 0-12 : C2
Foil side view (J72-0923-19 B/2)

CN602

G

R774

R758

C787

C797

C784

P

PC BOARD / PC板

TX-RX UNIT (X57-695X-XX) (B/2) 0-11 : C 0-12 : C2
Foil side view (J72-0923-19 B/2)

5

O

PC BOARD / PC板

3

9

I

CP605 CP604

E

R824

TKR-750

D

R763

2

C

C793

1

B

C832

A

J72-0923-19 B/2

Component side

10

Layer 1
Layer 2
Layer 3
Layer 4
Foil side

11

12

12

13

13

14

14

A

1

B

C

TKR-750

D

E

F

G

H

RX VCO UNIT (X58-4780-10)
Foil side view (J72-0749-02)

J72-0749-02 A/2

J72-0749-02 A/2
1
CN351

VO

2 GND

L362

Q352

Q355

R362

C372

C376

L360

C374

C377

R365

CN351

VO

2 GND

1

R356
Q354

R364

R368

C379

R360

3

J

PC BOARD / PC板

RX VCO UNIT (X58-4780-10)
Component side view (J72-0749-02)
2

I

R366
C378

R363

R367

R357

R359

C375
R355

C365

D

Q350

L358

C367

C363

TC351
C358
D351
C361

L355

C383

L354

D350

D353

D352

C354

C357

R353

L350

L351

R351

L353

L352

6

C355

C359

C356

C362

TC350

C360

L357

L356

5

Q351
G

D

L359

C366

4

S

C369

C368

C364 R354

C373

C371

S
G

Q353

L361

R358

C370

R361

R352
R350
NC

CN350

6
CN300

7 REF

CP

DT

R302

R303

R304

R301

L302

R305

C321

C305
C304

1

10

20

C307

C327

C312
11

L300

R308

IC300

L301

C313

R311

C314

+

10

R306
R312

R318

Ref. No. Address
Q354
13

3C

R317
R316

J72-0749-02 B/2

Component side
Layer 1
Layer 2
Foil side

96

Q300

C323

+ C324

J72-0749-02 B/2

12

R314

+ C311

R320

+ C320

R309

Q301

R313

C315

+ C318

11

14

C310

C309

R310

C308

C316

C317

EPR

Q302

R321

R319

L303

9

9CL

5C

LDR

C325
R300

R322
C319

CV

1 FIN

CN300

DT

C306

R315
C322

8

8CL

SRR

1 FIN

GND 1

5C

CN350

SRR

LDR

GND 1

CV

8CL

EPR

6

9CL

NC
CP

7 REF

7

Ref. No. Address Ref. No. Address Ref. No. Address
IC300

10G

Q351

4H

D351

6H

Q300
Q301
Q302

11H
11H
8G

Q352
Q353
Q355

3F
3H
3G

D352
D353

6G
6H

Q350

4F

D350

6F

Component side
Layer 1
Layer 2
Foil side

A

B

C

D

E

F

G

H

I

TKR-750

PC BOARD / PC板
TX VCO UNIT (X58-4790-10)
Component side view (J72-0750-12)

J72-0750-12 A/2
VO

CN351

R365

Q355

R362

C378

R363

R367

R357

G
D

R355

C367

4

L357

TC351

L355
C382

D352

C383

D350

C354

5

C363

C355

C356

C362

L354
C360

G
D
C365

L356

TC350

3

C371

S

Q351
R354

Q353
C373

C369

C364

R361

L361

R358 C375

R359

C366

R370

C380

C377
R366

C368

S
Q350

R372

C381

C374

C370

D354
R373

R371

Q352

C376

L360

R374

R368
L362

C372

Q354

R356

R375

2

1

2 GND

CN351

VO

2 GND

1

C379

R360

R364

1

TX VCO UNIT (X58-4790-10)
Foil side view (J72-0750-12)

J72-0750-12 A/2

D355

J

D351 C361

D353

C357

R353

L350

L351

L353

L352

R351

6

R352
R350
CN350
CN300

7 REF

CP

DT

R302

R303

R304

R301

C316

L301

C313

R305

C321

L302

C305

9

C304

C314
1

10

C312
C307

20

11

R308

IC300

R311

C310

C308

MO 6

R321

R319

C309

R310

L305

L300

EPT

C325
R300

8

L303

C317

9CL

5C

LDR

1

C306

C319

7

Q302

7

C322
R322

CV

1 FIN

CN300

FIN

5C

LDR

EPT

DT

CP

REF

R315

8CL

STT

GND 1

CN350

GND 1

STT

CV

8CL

9CL

MO 6

C329

L304
C330

R306
R312

R318

+ C311

3C
3B

Q300

L307

D354
D355

11

R317

C323
+ C324

J72-0750-12 B/2

Ref. No. Address
Q354
3C

R314

R320

+ C320

R309

Q301

R313

C315

+ C318

10

L306

R316

J72-0750-12 B/2

Component side
Layer 1
Layer 2
Foil side

Ref. No. Address Ref. No. Address Ref. No. Address
IC300
Q300
Q301

10G
11H
11H

Q351
Q352
Q353

3H
3F
3H

Q302
Q350

8G
4F

Q355
D350

3G
6F

D351
D352
D353

6H
6G
6H

12
Component side
Layer 1
Layer 2
13

Foil side

97
14

A

B

C

D

E

TKR-750 SCHEMATIC DIAGRAM / 

1

1000p

C99

47u16
C14

1000p

2.2k

47p

* R18

22p

C22

C21

R16

180

R14

R17
150k

C27
1000p

1000p

C2

10
R1

1000p

R53
1k

C9
R9

7

1000p
C108

1SS355
D6

1000p

100u25

C107
C3

2

GND2
5
ToVER

0.047u

0

C53

R60

2

100k

68k

3

R32

470

R30

HYST

C43

VCC

1000p

4

1

C39

OUT
COM

R27

1

GND1

18

R56

5

IN

1000p

3

C35

1

IC2
MAX6502UKP035

1000p

CN4
FAB

Q8
2SC4116(Y)

THERMOSTAT

1000p

VOLTAGE
REGULATOR
IC3
NJM78L05UA

T:13.02V
R:13.65V

2

47k

DC SWITCH

D6
SURGE
ABSORPTION

FAG

R25

1000p
1000p

4

C85
C86

8

10u10

GND

T:0.73V
R:0V

6

C109

NC

22n

5

C110

8T

L5

22n

4

1000p

PC

L4

1000p

3

C84

FAS

C19

33

2

1000p
1000p
1000p
1000p

PDT

R15

Q2,3
RF AMP

1

C80
C81
C82
C83

BUP

T:1.15V
R:0V

1000p

R52
1k
D1
1SS226

CN3
TMP

C98

THERMAL
SENSE

C16
1000p

180

4.7k
R13

470

C96
Q3
18p
2SC3357

C137

C11
47p
Q2
2SC3356
(R24)

1000p

33p

56

C143

1000p

R48

C1

0

470

R64

C136

CN1

1000p

R11

350mW

3

TX-RX UNIT
(X57-695X-XX)
(A/2)-CN16

C15

0

R50

R49
L3

T:8.04V
R:0V

68n

R6
22
1000p

150

C10

1000p
C12

T:7.84V
R:0V

R10

R8

47n

L2

1000p
R7
8.2k

0.1u
C7

C13

TX-RX UNIT
(X57-695X-XX)
(A/2)-CN19

2

10

FINAL UNIT (X45-373X-XX) (A/2)

Q9
DTD123EK
DC SWITCH

6

7

98
X45-373 1/2

X45-373X-XX

R18

0-10

C

146-173MHz

100

0-11

C2

136-150MHz

47

F

G

H

I

J

TKR-750

SCHEMATIC DIAGRAM / 


1

Note : The components marked with a dot (•) are parts of layer 1.
FINAL UNIT (X45-373X-XX) (A/2)

27p
C77

3

5T

* C173

L20

L19

9.5T

1000p

R45

100k
C68

D53
MA4PH633

R73

C60

0

1000p

XB15A709

XB15A709
D56

D55

27p

R72

VR1
47k

0

R34

220k

1
OUT1

C174

0

1000p

2

100k

120

R41

C155

R35

IN1-

VCC

110n

22p

39p

C72

C74

9p

22p
C71

9p
C69

C70

0

RF SWITCH

RX
3

IN1+

OUT-B

TX ANT

L12

R70
R71

0

D4
HSM88AS
D5
HSM88AS
0

R36

C64

R63

100

C165

1000p

L17
18n

R40

22p

C49

220p
* C47

C117

27p

0

47n

R62

C164

27p

C161

82p

L11

R31

10k

D55,56
RF SWITCH

CN5
1

ANT SW

E
2
B
3

C106
W3

+B1

D51
GND

MAIN DC
+B1

DSA3A1

CN6

100p

22p
C103

C168

D8
RB051L-40

CN51
MAIN DC

W4

5

GND
D9
MINISMDC050-02

5.6

D7

K1

ZSA5A27

C172
100p

C171
22p

C91
1000u25

T:13.03V
R:13.56V

R61

1000p
C90
1000p

C89
100p

D51,52
PROTECT OF REVERSE
CONNECTION

CURRENT
PROTECTOR

CN52

CHARGE
W5

GND

CN8

BACK UP
BATTERY

+B2

D52

100p

22p
C105

SURGE
PROTECTOR

CN7

DSA3A1

BACKUP

C169

C170
22p

C87

1k

+B2

GND

C47

C173

L8

0-10

C

146-173MHz

NO

18p

L34-4518-05

0-11

C2

136-150MHz

36p

27p

L34-4517-05

X45-373X-XX

4

(X45-373X-XX) (B/2)

D8
REVERSE
CURRENT
PROTECTION

R55

1000p

B

TX-RX UNIT
(X57-695X-XX)
(A/2)-CN15

0

R29

1000p

L10
47n

VEE

IN2-

8

L9
47n

4

IN2+

6
7

C44

C162

Q5
RD70HVF1-01

68p
100

470k

5

C92
1000p

D4,5
RF DETECTOR

DC AMP
IC1
TA75W01FU

R28

0.022u

100
C42

1000p
D2

02DZ6.2(Y)
R26

T:5.18V
R:0V

C54

R57

100k

1000p

1000p

1000p
R38
33k

R23

0

C160

L16
15n

* L8

C32
1000p

R21

0

Q5
FINAL AMP

R24
100k

R20

R22

C163
27p

R19
100k

D2
VOLTAGE
REFERENCE

C28

C31

10p

Q4
PD55003S
C112

TX
DRIVE
AMP

C30
120p

2

120

22p

100p

47u25

C146

0.01u

C57

C145

1000p

C55

L7
C46

22p

0.47u
C118

100p

0.47u
C37

C167

1000p
C29

L6
47n

3.0A

C166

F1

6

7

99
X45-373 2/2

FINAL UNIT (X45-373X-XX) (A/2)

110n

1000p

XB15A709

XB15A709
D56

D55

27p

R72

VR1
47k

220k

OUT1

R57

VCC

C174

0

1000p

100k

1

10k

D55,56
RF SWITCH

CN5
1
E

W4

GND

R61

Q9
DTD123EK

+B1

D51,52
PROTECT OF REVERSE
CONNECTION

CURRENT
PROTECTOR

CN52

CHARGE
W5

GND

CN8

BACK UP
BATTERY

+B2
D52

100p

C169

CN7

DSA3A1

BACKUP

SURGE
PROTECTOR

DC SWITCH

MAIN DC

GND
D9
MINISMDC050-02

ZSA5A27

D7

C172
100p

C171
22p

C91
1000u25

C90
1000p

C89
100p

C170
22p

+B1
DSA3A1

K1

W3

D51

T:13.03V
R:13.56V

CN6

100p

1000p

C87

1k

CN51
MAIN DC
22p
C103

GND1

C109

(X45-373X-XX) (B/2)

D8
REVERSE
CURRENT
PROTECTION

1

1000p

C106

0.047u

C53

R30

68k

1000p

0

100k

22p
C105

ToVER

R60

2

R32

470

C168

GND2
5

3

R27

+B2

GND

X45-373X-XX

C47

C173

L8

0-10

C

146-173MHz

100

0-10

C

146-173MHz

NO

18p

L34-4518-05

0-11

C2

136-150MHz

47

0-11

C2

136-150MHz

36p

27p

L34-4517-05

X45-373X-XX

R18

TX-RX UNIT
(X57-695X-XX)
(A/2)-CN15

R31

B

C43

HYST

1000p

VCC

C110

27p

22p

39p

C72

C74

*

L20

L19

9.5T

1000p

100k
C68

R45

2

120

IN1-

C155

OUT-B

18

C108

C77

9p

22p
C71

9p
C69

0
0

C70

R71
R63

100
D4
HSM88AS

0

R36

D5
HSM88AS

0

R40

C165

1000p

R62

22p

C49
C64

5T
C173

C60

0

RX
R41

5.6

2

4

1

C39

OUT
COM

C35

IN

L12

R70
82p

C164
220p
* C47

C117

120

22p

100p

47u25

C146

0.01u

C57

C145

1000p

C55

L7
27p

C161

27p

IN1+

R35

0

R29

IN2-

3

47k

R25

1000p
1000p
C85
C86

R73

VEE

D8
RB051L-40

1000p

1SS355

D53
MA4PH633

4

IN2+

6

R55
D6

RF SWITCH

3

Q8
2SC4116(Y)

1000p

3

TX ANT

2

IC2
MAX6502UKP035

1000p

1

1000p

47n

L17
18n

ANT SW

THERMOSTAT

10u10

CN4
FAB

C107
C3

L11

47n

B

VOLTAGE
REGULATOR
IC3
NJM78L05UA

T:13.02V
R:13.65V

R56

L10

47n

DC SWITCH

D6
SURGE
ABSORPTION

100u25

1000p

C44

7

2

L9

1000p

0

470k

5

8

8

C162

Q5
RD70HVF1-01

68p
100

DC AMP
IC1
TA75W01FU
R28

0.022u

100
C42

02DZ6.2(Y)
R26

1000p
D2

C28

T:5.18V
R:0V

C92

1000p

D4,5
RF DETECTOR

R34

D2
VOLTAGE
REFERENCE

L16
15n

1000p
R38
33k

100k

C160
1000p

C54

* L8

C32
1000p

R23

0

R24
100k

R21

0

R22

C163

R20

Q5
FINAL AMP

7

FAG

C46

22p

100p

0.47u

C167

0.47u

C118
27p

C31

R19
100k
R17
150k

C27
1000p

T:0.73V
R:0V

10p

TX
DRIVE
AMP

Q4
PD55003S
C112

47p

* R18

C22

22p

180

C21

22n

R16

22n

1000p

C2

R1

1000p

C9

R53
1k

10

56
R9

C136

1000p

1000p

6

C80

GND

1000p

R52
1k
8T
NC

33

C30
120p

5

1000p

PC

1000p

4

C84

FAS

L5

3

1000p
1000p
1000p

PDT

L4

2

C81
C82
C83

BUP

C19

Q2,3
RF AMP

1

1000p

TMP

C98
D1
1SS226

CN3

T:1.15V
R:0V

R15

180

Q3
18p
2SC3357

C16

R14

47p
Q2
2SC3356
(R24)

R13

33p

470

1000p

C96

C137

0

C11

1000p

C143

4.7k

R11
C1

R48

R64

470

CN1

C166

1000p

C37

L6
47n
1000p

2.2k

C15

L3

1000p

1000p
C12

150

C10

R10

47n

L2

1000p
R7
8.2k

0.1u
C7

C13

TX-RX UNIT
(X57-695X-XX)
(A/2)-CN19

350mW

THERMAL
SENSE

TX-RX UNIT
(X57-695X-XX)
(A/2)-CN16

C29

3.0A

1000p

C99

47u16
C14

0

T:8.04V
R:0V

R50

R49

T:7.84V
R:0V

68n

R6
22

R8

10

F1

A

B

C

D

E

TKR-750 SCHEMATIC DIAGRAM / 

1

10

5

6

KEY4

7SEGMENT

100p

C518

100p

820
1/2W

R526

S506

S505

C517

100p

C516

D506
LA-501DD

CP501
470*4

PF6

820
1/2W

820
1/2W

R525

PF5

S504

100p

C515

KEY1

KEY2

KEY3

R524

820
1/2W

R523

R522
100p

C514

C513

PF4

S503

S502

S501

100p

PF3

820
1/2W

PF2

820
1/2W

R521

PF1

KEY5

KEY2

KEY1

DISPLAY UNIT (X54-3330-21) (A/2)

KEY3

1

C519

0.01u

SHIFT
REGISTER

2
DC SW

DC SW

DC SW

Q512
UPA672T

Q513
UPA672T

Q514
UPA672T

Q517
UPA672T

9
10

DC SW

11
12
13
14

C512
9
10
11
12
13

3

14
15

0.01u

VSS

Q’S

Q4

VSS

Q’S

Q4

Q8

Q3

Q7

Q2

Q6

Q1

Q5

CLK

OE

DATA

VDD

STRB

7
6
5
4
3
2

16

DC SW

8
QS

15

Q516
UPA672T

8
QS

1

IC504
BU4094BCFV

7
6
Q8

Q3

Q7

Q2

Q6

Q1

Q5

CLK

OE

DATA

VDD

STRB

5
4

CLK

3
2

16

1

SHIFT
REGISTER

IC503
BU4094BCFV

SOE
D512
DA204U

D513
DA204U

D512,513,514

D514
DA204U

SURGE
ABSORPTION
BUSYC

VSS

Q’S

Q4

Q8

Q3

Q7

Q2

Q6

Q1

Q5

CLK

6
5

12

4

13

OE

DATA

VDD

STRB

1k

1k

16

R537

1k
POWLEDC

1k

2

15

R534

R539
R540

3

14

47k

1k

7

10
11

R606

R536

QS

1k

8

9

1k

R538

4

0.01u

R535

C511

1

SHIFT
REGISTER

IC502
BU4094BCFV

Q525
2SK1824

5

D508
DA204U

D509
DA204U

D510
DA204U
D508-511
SURGE ABSORPTION

D511
DA204U

DISPLAY UNIT (X54-3330-21) (B/2)

C602

1000p

680

R601

6

10

NC
GND
PTT
MIG
MIC

11

HK

1

2
3

D603

5

4
6
7
8

1k

A

9

100p

A

D601,602
SURGE ABSORPTION

100p

A

J601
E08-0877-05

D602
DA204U

C603

8
4
7
3
6
2
5
1

D601
DA204U

C606

1k

NC
SB
GND
PTT
MIG
MIC
HOOK
NC

R605

7

11

CURRENT
PROTECTOR

MINISMDC020
R604

VLI
5M
GND
NC
SB

1

X54-333 1/2

10
9
8
7
5
4

R502

3

0
MIC

2

R503
0

C501
10u10

MIG
A

100

5M
VLI
SB

CN501

CN601

VR601
10k

0.1u

C607

6

100p

C601

DAT
PTT
HK

F

G

H

I

J

TKR-750

SCHEMATIC DIAGRAM / 

DISPLAY UNIT (X54-3330-21) (A/2)

1

D507
LA-501DD

CP503
470*4

CP502
470*4

1

10

5

6

CP504
470*4

7SEGMENT
DC SW

DC SW

QS

VSS

Q’S

Q4

Q8

Q3

Q7

Q2

Q6

Q1

7

10

6

11

5

12

Q522
UPA672T

DC SW

4

13

3

14
CLK

Q5

2

15
OE

DATA

VDD

STRB

16

1

VOLTAGE REGULATOR
IC506
TA78L05F

IC505
BU4094BCFV

DC SW

CLK

0.1u

C521
10u10

1
C522

Q519
UPA672T
DC SW

2

8

9

OUT
IN
COM
2

3
0.33u

DC SW

SHIFT
REGISTER

C523

Q521
UPA672T

Q524
UPA672T

Q518
UPA672T

0.01u
Q523
UPA672T

C520

3

VOLTAGE REGULATOR
IC507
TA78L05F

BUSYC

DC SW
Q504
UPA672T

DC SW
Q508
DTA114EUA

2

3
0.33u

0.1u

C525

OUT
IN
COM

D503
B30-2151-05
TX

R516
1.2k
1/2W

4
LED

DC SW
Q506
DTA114EUA
POWLEDC

R517
820
1/2W

D504
B30-2151-05

R518
1.2k
1/2W

LED

S507

CALL

BUSY

Q509
DTA114EUA

CN502

R519
1.2k
1/2W

SB

19

SB
NC
GND
PSW
DAT

17
16
15
14

R520
820
1/2W

D505
B30-2151-05
LED

13
12
11

Q511
DTA114EUA
DC SW

Q507
UPA672T
DC SW

10
KEY1
KEY3

DAT
PTT
HK

KEY2
KEY5
KEY4

R529

1k

9

R530
R531
R532
R533

1k
1k
1k
1k

8
7
6
5
4

5M
VLI
SB

3
2

Q501
2SC4116(Y)
R508

MIC AMP

10k

IC501
NJM4558E

100k

10k

R511

5

150k

220k

47p
10k

R509

6

R512

B+IN

R513

-V

4

7

R514

B-IN

10u10

A+IN

8

0.01u

BOUT

C509

+V

A-IN

C510

AF DETECTOR

0.1u

0.1u
C507

1.5u10

LEVEL
CONTROLLER

C503

VR501
10k

10k

AOUT
3

C505

K1
K3
K2
K5
K4
5C
VLI
MIC
MIG

6

0.1u
1
2

D502
HSM88AS

6.8k
R506

R510

AF DETECTOR

C506

1.5u10

0.1u

CLK
STB1
PTT/TXD
SOE
HK/RXD

5

C508

C504

Q502
2SA1586(Y,GR)
R507

68k

R505

1

D501
HSM88AS
C502

1k
LEVEL
CONTROLLER

MIC

20
18

BACKUP

10k

10k

R544

10k

R543

10k

R542

Q510
DTA114EUA
R541

13.10V

MAIN DC

DC SW

DC SW

TX-RX UNIT
(X57-695X-XX)(B/2)-CN600

DC SW
Q503
UPA672T

C524
10u10

1

C526

SOE

MIG

Note : The components marked with a dot (•) are parts of layer 1.

7

101
X54-333 2/2

1

10

5

6

KEY4

C520

11
12
13
14

15

Q2

Q3

Q7

Q2

Q6

Q1

6

CLK

Q519
UPA672T
DC SW

2
DATA
STRB

1

IC504
BU4094BCFV

7

Q3

Q7

Q2

Q6

Q1

7
6
5

3

14
CLK

Q5

2

15
OE

DATA

VDD

STRB

16

1

VOLTAGE REGULATOR
IC506
TA78L05F

IC505
BU4094BCFV

DC SW

6

DC SW

4

13

3

VDD

Q8
12

4

OE

Q4

11

5

Q5

VSS

Q’S

1

5
4
Q6

Q1

Q5

CLK

OE

DATA

VDD

STRB

CLK

3

CLK

1

SHIFT
REGISTER

IC503
BU4094BCFV

SOE

VOLTAGE REGULATOR
IC507
TA78L05F

SOE

SURGE
ABSORPTION
BUSYC

Q4

Q8

Q3
Q2

Q7

4
Q6

Q1

Q5

CLK

OE

DATA

VDD

STRB

1k

16

1k

1k

LED

DC SW
Q506
DTA114EUA

1k
POWLEDC

1k

POWLEDC

1

SHIFT
REGISTER

IC502
BU4094BCFV

R517
820
1/2W

D504
B30-2151-05

R518
1.2k
1/2W

LED

S507

CALL

Q525
2SK1824

CN502

D510
DA204U

R519
1.2k
1/2W

D508-511
SURGE ABSORPTION

17

14

D505
B30-2151-05
LED

13
12
11

Q511
DTA114EUA
DC SW

Q507
UPA672T
DC SW

10
KEY1

MIG
A

MIG

220k

47p

R510

C506

0.1u
AF DETECTOR

IC501
NJM4558E

MIC AMP

6
5

10k

B+IN

R512

-V

4

100k

C505

7

R513

B-IN

150k

A+IN

3

8

0.01u

BOUT

R514

LEVEL
CONTROLLER

+V

A-IN

C509

D502
HSM88AS

6.8k

10k

AOUT
2

Q502
2SA1586(Y,GR)
R507

R506

0.1u
1

10u10

C501
10u10

VR501
10k

100p

100p

R503

MIC

AF DETECTOR

C510

A

D601,602
SURGE ABSORPTION

C603

A

D602
DA204U

1

MIC

2

0

C606

NC
SB
GND
PTT
MIG
MIC
HOOK
NC
8
4
7
3
6
2
5
1

D601
DA204U

HK

0

0.1u

10k

11

1k

3

R502

C508

C504

R511

10

1k
LEVEL
CONTROLLER

5
4

1k
1k
1k
1k

8
7
6
5

1

D501
HSM88AS

10k

9

6

7

R509

8

1k

A

NC
GND
PTT
MIG
MIC

Q501
2SC4116(Y)
R508

8

0.1u

7

9

C507

6

9

R530
R531
R532
R533

2

1.5u10

0.1u

5

MINISMDC020

1k

3

1.5u10

4

R529

4

C502

3

10

KEY4

C503

CURRENT
PROTECTOR

11

5M
VLI
SB

KEY5

68k

2

VLI
5M
GND
NC
SB

5M
VLI
SB

KEY2

R505

C602

1

D603

R605

CN501

CN601

VR601
10k

1000p

680

R601

100p

C601

KEY3

DAT
PTT
HK

SB
NC
GND
PSW
DAT

15

R520
820
1/2W

DAT
PTT
HK

SB

19

16

D511
DA204U

DISPLAY UNIT (X54-3330-21) (B/2)

20
18

BACKUP

10k

10k

R544

10k

R543

10k

R542

R541
D509
DA204U

13.10V

MAIN DC

DC SW

Q510
DTA114EUA

D508
DA204U

BUSY

Q509
DTA114EUA
DC SW

R604

2

3

D503
B30-2151-05
TX

R516
1.2k
1/2W

2

15

1k

R539
R540

OUT
IN
COM

3

14

R537

R536

VSS

Q’S

5

13

R534

R535

QS

6

12

47k

DC SW
Q508
DTA114EUA

7

10
11

R606

BUSYC

DC SW
Q504
UPA672T

0.01u
8

9

1k

R538

C511

DC SW
Q503
UPA672T

C524
10u10

D512,513,514

D514
DA204U

0.1u

D513
DA204U

C525

1
D512
DA204U

C607

2

3

2

16

J601
E08-0877-05

OUT
IN
COM

CLK
STB1
PTT/TXD
SOE
HK/RXD
K1
K3
K2
K5
K4
5C
VLI
MIC
MIG

TX-RX UNIT
(X57-695X-XX)(B/2)-CN600

14

Q3

Q7

Q8

QS

10

0.33u

13

Q8

Q4

C526

12

Q4

7
Q’S

8

9

VSS

0.1u

11

Q’S

DC SW

SHIFT
REGISTER

C522

10

VSS

DC SW

8
QS

16

DC SW

8
QS

15

Q516
UPA672T

Q521
UPA672T

C521
10u10

9

0.01u

Q518
UPA672T

0.01u
Q523
UPA672T

0.01u

0.33u

9

DC SW

Q514
UPA672T

C512

6

C523

DC SW

Q513
UPA672T

5

CP504
470*4

Q524
UPA672T

Q517
UPA672T

10

Q512
UPA672T

10

DC SW
C519

Q522
UPA672T

DC SW

1

7SEGMENT

SHIFT
REGISTER
DC SW

D507
LA-501DD

CP503
470*4

CP502
470*4

7SEGMENT

100p

C518

100p

820
1/2W

R526

S506

S505

C517

100p

C516

D506
LA-501DD

CP501
470*4

PF6

820
1/2W

820
1/2W

R525

PF5

S504

100p

C515

KEY1

KEY2

KEY3

R524

820
1/2W

R523

R522
100p

C514

C513

PF4

S503

S502

S501
100p

PF3

820
1/2W

PF2

820
1/2W

R521

PF1

KEY5

KEY1

KEY2

KEY3

DISPLAY UNIT (X54-3330-21) (A/2)

A

B

C

D

E

TKR-750 SCHEMATIC DIAGRAM / 

1

TX-RX UNIT (X57-695X-XX) (A/2)
VO

A2 SUB UNIT (TX VCO/PLL) (X58-4790-10)

0.75p

L362
82n

R365
47k

C377

1000p

33

100k

R354

C379

VCCP

7

VDDA

RFIN

RN

RFIN

16

C378

4.7k

1000p

C376

4.7k

R361

1000p

11 LDT

R304

100

EPT 4

12 EPT

2

R303

100

DP 5

13 DP

1

R302

100

CP 6

14 CP

100

15 REF

R300

10

R319

33

C325

5p

1k

100n

1000p

L303

C319

Q302
2SC4215(Y)

R301

1k

CLOCK

0.1u

C321
47p

EPT

CP
+VDC

4

* L27

C89
0.01u

10p

10p

C103

3

C102

OUT

X3
16.8MHz

7
6

5CT

0.01u

5CT

R74

0.01u

22

5

8CT

C179

GND

C82

B+IN

2

C80
10u10

B-IN

-V

47k

R78

A+IN

8

R79

+V
BOUT

100k

10u10

C25

R21

680k

10u10

4

A-IN

R82

220k

R19

3

AOUT

FCT

R20

1

470k

22u10

IC1
NJM2904E

2

C24

VC

BUFFER AMP

820k

R18

6

470k

C219

1

LDT

BUFFER
AMP

1000p

330

22p

LDT 3

3

DATA

20

C322

39n

9 FIN
10 5C

REF 7

R315

L302

39n

C317

L301

5C 2

STROBE

19

22p

4p

C314

R308

56
1000p
C312

C307

1000p
C308

C330

C316

4p

39p

R314

470k

C313

C304
1000p

CN300

R151

0.1u

0.1u

C309

C310

LOCK

VDD

5

FIN 1

VSS

L305 18

L304

1000p

4
RF

6.8k

C305

0

5

17

R310

R305

6

TEST

0

47

R358

PHP

R152

22

REFIN

1k

L306 15

C306
0.01u

8
PHI

1k

0.1u35

C311

14

R306

0

R317

R311
22k

R309
220

L300

R318

C324

220

ACTIVE
FILTER
Q301
2SC4116(GR)

RA

VSSA
13
R312

Q300
2SC4116(GR)

9

12

C329

C315

0.047u

2.2k

R313

C323

0.22u

ACTIVE
FILTER

C373
10

AUXIN

PHA

0.47u25

10u

L361
9p

C371

10k

50n

R371

18p
8p

L357

C363

11

22k

2.2u10

R321

2.2u10

IC300
SA7025DK

10k

1.5k

4.7k

R322

C318

1k

R363

9p

VCO OSC

1000p

10k

R367
220

R366

10u

L360
R356

33

R355

0.75p
C365

R357
C369

Q351

PLL
C320

R320

Q353
2SC4116(Y)

470

R316

4

DC SW

1p

R154

18p

1000p

100k

R375

22k

1SV214
C381

R374

C367

18p

FREQUENCY
CONTROL

L307

0.47u

C355

TC351

1000p

C382
C383

D353
1SV282

C375

R153

10u

TX-VCOH
Q351
2SK508NV(K52)

Q354
DTC114EUA

DP

L351

0

10k

1000p

R352

1000p

0

R90

FREQUENCY
CONTROL

10u10

C87

3

MODULATION

D355

10u

C361

L350

0

1000p

R350

MO

C357

9CL

6

L355
10u

5

MO 6

D351
1SV282

9CL 5

-2.7dBm

DC SW

R364

9CLT

7 VO

4.7k

8CLT
D355

8 GND

VO 1

R362

R360

VCO OSC

DC SW
Q352
2SC4116(Y)

470

C364

1000p

15p

C372

22k

D354

1SV214
C380

C360

0.47u

C354

1000p

STT

CN351
GND 2

R359
47

C374
1p

1000p

CV

FREQUENCY
CONTROL

C368
Q350

C370
15p

8CL

4

27p

Q355
2SC4215(Y)

10p

R370
10k

3

CV 4

C366

27p

BUFFER
AMP

Q350
2SK508NV(K52)

50n

8CL 3

C356

L356

STT

D352
1SV282

22p

GND

2

10u

C362

1

STT 2

L353

0

TX-VCOL

8p

GND 1

R353

TC350

1k

CN350

L354
10u

D350
1SV282

FREQUENCY
CONTROL

R87

C86

1000p

2

33

10u

0

TX-CV
(TP102)

R372

R351

R373

R368
D354
MODULATION

L352

MB
MO

7

TX-RX UNIT
L27

X57-695X-XX

102
X57-695 (A/2) 1/4

0-11

C

3.9u

0-12

C2

10u

F

G

H

I

J

TKR-750

SCHEMATIC DIAGRAM / 

TX-RX UNIT (X57-695X-XX) (A/2)
VO

VO

A3 SUB UNIT (RX VCO/PLL) (X58-4780-10)

R368

CV

9CL 5

5

9CL

NC 6

6

NC

82n

L362

R365
47k

C377

4.7k
DC SW
Q354
DTC114EUA

Q353
2SC4116(Y)

47p

R363

C371
15p

R361

C373

4.7k

1000p

C367
15p

270

VCO OSC

TC351

4p

C376
1000p

1p

47

R355

R358
C375

10u

C365

33

L361
10u

DC SW
R357

50n

FREQUENCY
CONTROL

C358

10k

15p

Q351
2SK508NV(K52)

L357

39p

1SV282

1000p

C361

0.47u

1000p

C357

C355

C363

10u

D353

V-RXVCOH
C369

L32
0.1u
270

R362

8p

0

10u

1SV282

D351

L351

1000p

C383

R352

L355

10u

FREQUENCY
CONTROL

L359

L350

0

R160

Q352
2SC4116(Y)

R364

R350

7 VO

1

1000p

DC SW

C378

R367
220

10k

R366

L360

10u
270

R356
18p

C370

18p

C366

C374
1p

8CLR

9CLR

VO

4.7k

4

C379

-6.2dBm
8 GND

4.7k

CV 4

R359
47

R360

8CL

50n

C372

SRR

3

SRR

TC350

2

8CL 3

L356

FREQUENCY
CONTROL

8p

SRR 2

33p

47p

CN350
1 GND

1SV282

C362

10u

Q350
2SK508NV(K52)

8p

0

C356

C359

1k

R88

C88

1000p

GND 1

R353

D352

CN351
GND 2

10p

VCO OSC
L353

BUFFER
AMP
Q355
2SC4215(Y)

18p

1000p

C368

1000p

33

33

V-RXVCOL

10u

L358

C364

1000p

C360

0.47u

C354

1000p

FREQUENCY
CONTROL

RX-CV
(TP101)

10u

10u

L354

0

R354

D350

L352

1SV282

R351

PLL

IC300
SA7025DK

11

10

RA

VDDA

RFIN

RN

RFIN

RF

VSS

16

5C 2
LDR 3

11 LDR

3

R304

100

EPR 4

12 EPR

2

R303

100

DP 5

13 DP

1

R302

100

CP 6

14 CP

CLOCK

R300

10

R319

33

C325

1k

100

5p

CP

1000p

C322

BUFFER
AMP

R301

1k

100n

L303

C319

1000p
330

15 REF

REF 7

Q302
2SC4215(Y)

R315

9 FIN
10 5C

DATA

47p

15p

C304
1000p

CN300

L300

C321

C317

27p

0.1u

2.2u10
C308

39n

C314

L302

39n

15p

56
1000p
C312

C327

470k

R314

0

R318

R308

L301

FIN 1

R155

0.47u25

C307

3p

1000p

STROBE

VDD

C316

C305

0

R156

0.1u
C309

LOCK
19
TEST

3p

R305

6

4

18

20

C313

7

5

17

0.1u

6.8k

VCCP

BUFFER AMP

X2

IC2
NJM4558E

16.8MHz

C90

10u

0.01u

C104
22

0.01u

R75
5CR

FCR

8CR

R73

0.01u

L28

OUT

470k

B+IN

C84

3

2
GND

5

+VDC

5CR

6

VC

C83

B-IN

4

100k

BOUT

A+IN

R76

A-IN
3

4

1

10p

47k

C105

R77

7

10p

8
+V

C81

AOUT
2

10u10

1

-V

DP

22

PHP

LDR

15

REFIN

EPR

14

R306

C306
0.01u

8
PHI

1k

0.1u35

C311

R309
220

R310

C310

0

R317

BUFFER
AMP

Q301
2SC4116(GR)

1k

C324

220
R311
22k

R320

9
VSSA

13
R312

Q300
2SC4116(GR)

AUXIN

1k

0.047u

2.2k

BUFFER
AMP

C315

R313

C323

0.22u

PHA
12

R158

2.2u10

R157

2.2u10

22k

1.5k

10k

C318

R321

C320

R322

R316

MB

MB

MO

MO

103
X57-695 (A/2) 2/4

K

L

M

N

O

TKR-750 SCHEMATIC DIAGRAM / 

TX-RX UNIT (X57-695X-XX) (A/2)
VO
R144

22k

C150

22u10

0.01u

R6
1k

0.01u

C155

C154
10u6.3
0.01u

VOLTAGE
REGULATOR

1000p

2

C176

1000p

IN

C175

4.7u10
C178

C177

COM

1000p

0.01u

2

VOLTAGE
REGULATOR

3
OUT

C148

1000p
C146

1

3

IN

8.05V

IC11
NJM78L05UA

C149

4.7u10
C145

OUT

COM

1.5k

1000p
C142

R124
C140

0.01u

C138

47u16
C136

47u16

1000p

0.01u

1000p
C130

C132

1.5k
0.01u

C134

R120
C128

C124

C126

0.01u

100u16

C122

22u10

1000p

13.10V

F1

1000p

0.01u

1000p

3

0.01u

2

VOLTAGE
REGULATOR

C156

13.09V
IN

C160

OUT

C157

IC5
AN8009M

1

C161

1000p
C153
1000p
C159

GND

3.3u16
C151
3.3u16
5CT
8CT

C158

5CR
8CR

9CLR
9CLT

IN

2

VOLTAGE
REGULATOR

1
9.02V

OUT

COM

1000p

3

VOLTAGE
REGULATOR

0.01u

1000p
C171

3

C172

3.3u16
C174

1

IN

C173

1000p
C143

OUT

GND

1.5k

47u16
C137

R125

0.01u
C135

C141

1000p
C133

2

B:8.95V
E:8.28V
C:8.98V

8CLR
8CLT

IC4
NJM7808FA

13.10V
8.07V

R127
10

0.01u

1000p
C131

C139

1.5k
0.01u

47u16

Q15
2SC4116(GR)

R121

C125

IC10
TA7808F

7.88V

RIPPLE FILTER
R122
10

C129

0.01u

100u16

C123

C127

1000p
C120

0

1000p
C97

1

5.06V

7.87V

8C
W/N

B:7.92V
E:7.23V
C:7.96V

R104

1.8k
R98

B:1.05V
E:0.62V
C:4.81V

B:1.50V
E:0.72V
C:6.15V

IC3
NJM78L05UA

8TC

22u10

L26

47

22

1000p
C92

R94

R100

1.8k
R92

RF AMP

R126
10

Q12

Q13
2SC4116(GR)

RF AMP

R128
4.7k

5.03V

Q14
2SC4116(GR)

R123
10

RIPPLE FILTER

27p
Q9
2SC3357

DC SW
Q19
DTC114EUA

RIPPLE FILTER

47n

4.7k

R97

C98

1000p

1000p

C93
56n

L25

C121

R99

100

100

C91

R93

10p

C106

1000p

Q12
2SC4116(GR)

C100

15p
Q8
2SC3120

R130
47k

DC SW
Q17
DTC114EUA

Q14
B:8.95V
E:8.29V
C:8.98V

RIPPLE FILTER

C95

Q18
DC SW 2SB1386(R)

T:8.05V
R:0V

Q14

R91
4.7k

R129
47k

C147

C144

DC SW

R148

Q12
B:7.77V
E:7.09V
C:7.80V

22u10

1000p

R15

7.78V

T:8.05V
R:0V

C152

270

270

1000p

R14

5CR
Q16
2SB1132(Q,R)

DC SW

Q23
DTC114EUA

R13
47

C96
1000p

1.8k

R96

RF AMP

R16
18

0

0

R17

18p
Q11
2SC3120

T:0V
R:1.03V

C166

R109
100

C99

R106

C167

10p

C23

1000p

220

T:1.04V
R:0V

D8
DAN235K

1k

C22

470p

0.31V

R143

R159

1000p

L22
82n

R95

4.7k

Q11
B:1.51V
E:0.75V
C:6.35V

8T

22k

C164

TX SW

MB
MO

470

R46

15p

27p

15p

820

C113

W:0V
N:1.05V

* C18

L18
L34-4526-05

C49

68p
22k

C46

R44

3p

4p

3p
C43

C44

68p
C38

L6

L17
L34-4526-05

C48

WIDE

22k

R42

C40

0.01u

44.85MHz

0.01u

XF2
L71-0512-05

A1
W02-1939-05_8

L34-4616-05

L1

0.01u

270

33n

C211

-3.5dBm

R163

33n

CN3

2.2k

33n

C111

5.6

27p

R22

C109

L31

1000p

L30

10

39p

C6

B:1.05V
E:0.26V
C:5.94V

Q1
2SC3357

R4

L3

L2
C2

39p

L29

W:1.08V
N:0V

L14
L34-4527-05

* C19

*

C15

0.01u

RF AMP

R111

10u
WIDE/NARROW
SWITCH

D2
DAN235K

L7

5p
L5

L9

L8
22n

3p

C107

1p

3p

R112

2p

C110

820

0.5p

0

2p

R38

C9

C17

56n

C5

6p

C16

39p

680

C1

C10
100p

C7

R3

C14

* C11

0.5p

C12

2p

C214
5p

R1

L4

C4

C13

C108

1.2u

C3

1000p

B:5.37V
E:5.97V
C:1.53V

2.7k

C8

1000p

Q10
2SA1586(Y,GR)

R110

L13

0.01u

CURRENT CONTROL

L21

10u
C36

10u

C199

L33

10k

68

R7

22k

R5

R11

R37

0.01u

C34

56

R39

1k

R36

1.8k

R35

C32

0.01u

6.8k

L41

L19
L34-4527-05

L16
L34-4527-05

L15
L34-4526-05

47k

-99.5dBm

MB

-89.0dBm

TX-RX UNIT

X57-695 (A/2) 3/4

C50

68p

R45

22k

C51

W/N

CN2

MO

104

0.01u

C47

22k

NARROW

R43

68p
W:0V
N:1.04V

0.01u

B:1.28V
E:0.51V
C:6.69V

44.85MHz

C41

27

R40

33p

C33

0.01u

RF AMP

C39

330p

XF1
L71-0513-05

0.01u
Q2
2SC3357

R41

L12
330n

2.2k

C31

1k

C209
R34

150n

47
L10

R33
L11

68p

180n

R10

820

R32

CN1

C30

C20
100p

820

R30

100

R9

5.6

C45

C37

R31

3p

3p
D1
DAN235K

C42

WIDE/NARROW
SWITCH

4p

W:1.07V
N:0V

* C213

*

C212

100n

X57-695X-XX

C5

C11

C18

C19

C212

0-11

C

6P

6P

6P

18P

5P

C213
5P

0-12

C2

8P

8P

9P

22P

6P

6P

P

Q

R

S

T

TKR-750

SCHEMATIC DIAGRAM / 

TX-RX UNIT (X57-695X-XX) (A/2)

1
E04-0154-05
CN19
FINAL UNIT
(X45-373X-XX)
(A/2)-CN1

SHIFT
REGISTER

IC7
BU4094BCF

1

Q7

Q3

Q8

Q4

Q’S
9
QS

VSS

100p

FCT

GND

10

100p

8

C208

7

8

1
2
3
4
5
6
7
8

L39
L38
L37
L36
L35
L34

11

100p

7

12

C207

VSS

Q2

C206

NC1

9

6

100p

NC2

10

5

6

100p

AO2

5

13

C205

AO3

Q6

14

0.01u

AO1

11

STT

AO4

12

Q1

15

SRR

DI

Q5

4

FCR

AO5

OE

CLK

0.01u

4

13

DATA

C194

3

C195

2

3

C204

2

0.01u

CLK

0.01u

LD

AO6

VDD

C193

VDD
14

STRB

0.01u

15

1
2
3

16

DO

VCC

C192

1

16

C191

D/A
CONVERTER

C163

IC6
M62354GP

0.01u

5CR

8TC
8C
W/N
K1
S76-0401-05

470

R165

DC SW
D7

22k

R166

220mV

1SS355

C162

0.01u
DC SW
D12
02DZ18(X,Y)

Q24
DTD114EK

LDT
LDR
EPT
EPR
CP
DP

Q25
DTC114EUA

DC SW

DC SW

R137
R138

1k
1k

R139
R140
R141
R142
R198

0
0
0
0
0

02DZ5.1(Y)

1000p

1000p

C190

C189

4

330k
-t

R72

82k

0.01u

TH1

R71

C79

NOISE
DETECTION

C218

R176

0.1u

56
C75

0.22u

NOISE
DETECTION

47k

C77

1000p

R66
330k
R67

AFO

FHASE

11

12
FLTI

RSSI

DEC

0.1u

1.8k

2.2k

18k

R62

R63

C76

R69
WIDE/
NARROW
SWITCH

Q4

6

W:0V
N:4.71V

470

R56

R162

470

6.8k

0.01u

C62
CF2
L72-0376-05

Q6
DTC144EUA

W:4.97V
N:0V

WIDE/NARROW
SWITCH

R161

6.8k

DC SW
Q4
DTC144EUA

Q27
DTC144EUA

R197

0.1u
C70

W SW

0.1u

0.1u

C68

10u10
C65

C69

R58

15k

WIDE/NARROW
SWITCH

W:4.99V
N:0V

DC SW
Q5
DTA144EUA

47u10

7.87V

3.3k

1000p

C74

QUAD
10

9

DEC

IFIN
7

6

5

VCC

MIXO

5

D4

22k

R55

22k

R52
C55

3

4.7k

WIDE

0.01u

CN14
E40-6009-05
8C
8C
NC
SB
SB
SB
SB
NC
QS
GND
GND
MO
MB
GND
SOE
TMP
PSW
BUP
LD2
FWD
STB
CK
DT
LDT
LDR
EPT
EPR
CP
DP
SC
RSSI
ASQ
GND
NC
DET
NC

3.40V

D13
MA742

NOISE AMP

L24
L34-4459-05

D4
DAN235K

R53

1000p

D11
0.01u

C71

3.3k

C72
R61

270k
13

14

15
SQLI

FLTO

16
SCAN

SCAN

Q7
2SC4617(S)

CF1
L72-0366-05

WIDE/NARROW
SWITCH

C185

C184

33k

8CR
3.9k

R196

C217

1000p

3.3k

1k

17
NC
4

3

0.1u

0.1u
C64

C198

1u

HyS

RFI

GND
OSC(E)

1

15k

D3
DAN235K

15k

OSC(B)

IC9
TK14489V

L20

2

8p

C61

R50

C73
0.1u

C59
15p

C58
18p

1

2

BUP
TMP

R65

FM IF
SYSTEM

C53
1000p

18

330p

19

0.01u

20

1u

8

0.01u

C67

0.01u

0

R51

C57

C60

SURGE
PROTECTOR

D5
MA742

71mV

CN16
E40-5632-05
GND
NC
8T
PC
FINAL UNIT
(X45-373X-XX)
FAS
(A/2)-CN3
FDT

C78

R83
0

L23

Q3
2SC3356(R24)
B:0.77V
E:0V
C:4.91V

B:0.67V
E:0.07V
C:4.00V

330p

Q26
DTC114EUA

X1
44.395MHz

R47

R57

R70

C66

R49

RF AMP

L43

DC SW

C210
270

0.01u

R164

1k

R54

220

0.01u
C54
47k

18

R48

R150

C52

0.033u
R8

470p

R68

C216

10k

10u10

R60
-62.5dBm

C197

CN4

1000p

MB
MO

36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2

CN15
E40-5703-05
E
FINAL UNIT
B
(X45-373X-XX)
B
(A/2)-CN5

TX-RX UNIT (X57-695X-XX)(B/2)-CN602

+0.8dBm

8T

NARROW

0.01u

C63

0.01u

C56

W/N
-117.0dBm
CN18
E04-0154-05

7

Note : The components marked with a dot (•) are parts of layer 1.
105
X57-695 (A/2) 4/4

TX-RX UNIT (X57-695X-XX) (A/2)
VO

Q24
DTD114EK
DC SW

MO

MO

MO

100p

100p

100p

100p

100p

C204

C205

C206

C207

C208

0.01u

1000p

1000p

C189

C190

02DZ5.1(Y)

1000p
C185

D11

1000p
C184

33k

0.01u

C71

R68

3.3k

10u10

C72

R72

330k

82k

TH1

-t

C79

0.22u

R71
0.01u

0.1u
1000p

NOISE
DETECTION

C218

56
C75
C74

R67

R176

11
AFO

12
RSSI
FHASE

NOISE
DETECTION

47k

R66
330k

C77

R61

270k

14

13
FLTI
DEC

FLTO

SQLI

15

16
SCAN

SCAN

0.1u

2.2k

18k

R62

R63

3.3k

R69
C76

47u10

0.1u
C70

15k

DC SW
Q5
DTA144EUA

DC SW
Q4
DTC144EUA

Q27
DTC144EUA
WIDE/
NARROW
SWITCH

1.8k

0.1u
C69

W SW

0.1u
R58

22k

WIDE/NARROW
SWITCH

W:4.99V
N:0V

R197

QUAD
10

9

DEC

IFIN
7

6

5

VCC

MIXO
4

NC
3

7.87V

W:4.97V
N:0V
Q4
W:0V
N:4.71V

470
R56

R162

470

6.8k

CF2
L72-0376-05

Q6
DTC144EUA

0.01u

C62

C55

0.01u

3.40V

WIDE/NARROW
SWITCH

R161

6.8k

R53

0.033u
R8

8CR
3.9k

R196

C217

1000p

3.3k

1k

17

18
GND
OSC(E)

HyS

RFI
22k

R52

15k

R47
22k

R45

0.01u

C51

X57-695X-XX

C5

C11

C18

C19

C212

C

3.9u

0-11

C

6P

6P

6P

18P

5P

5P

0-12

C2

10u

0-12

C2

8P

8P

9P

22P

6P

6P

L27

WIDE

C47

C45

-89.0dBm

0-11

X57-695X-XX

1

CN14
E40-6009-05
8C
8C
NC
SB
SB
SB
SB
NC
QS
GND
GND
MO
MB
GND
SOE
TMP
PSW
BUP
LD2
FWD
STB
CK
DT
LDT
LDR
EPT
EPR
CP
DP
SC
RSSI
ASQ
GND
NC
DET
NC

NARROW
W/N

CN2

TX-RX UNIT

TX-RX UNIT

D4
D4
DAN235K

WIDE/NARROW
SWITCH

D5
MA742

71mV

BUP
TMP

4.7k

L24
L34-4459-05

68p

C50

3p

4p

3p
C42
22k

R43

0.01u

NARROW
C41

68p

R41

2.2k
W:0V
N:1.04V

C39

27

R40

33p

0.01u
1k

C209
R34

180n

150n

47
L10

820

R33
L11

B:1.28V
E:0.51V
C:6.69V

CF1
L72-0366-05

W/N

C213

0.01u

MO

-99.5dBm

RF AMP

0.1u

C68

C64

10u10

1u

C65

L20

C63

MB

330n

44.85MHz

0
0
0
0
0

SURGE
PROTECTOR

D13
MA742

NOISE AMP

0.1u

R50
15k

C73
0.1u

Q7
2SC4617(S)

C198

C58
18p

0.01u

MB

330p

Q2
2SC3357

OSC(B)
1

C53
1000p

2

8p

C61

FM IF
SYSTEM

C56

MB

47k

R10
MB

68p

CN1
C30

5CR

C20
100p

820

R30

R9

5.6

XF1
L71-0513-05

0.01u

L12

C33

C31

R31

R139
R140
R141
R142
R198

CN16
E40-5632-05
GND
NC
8T
PC
FINAL UNIT
(X45-373X-XX)
FAS
(A/2)-CN3
FDT

R65

R55

0.01u

56

R39

1k

R36

1.8k

R35

C34

D1
DAN235K

C37

R32

C104
5CR

FCR

8CR

5CT

0.01u

0.01u

C32

* C213

*

C212
0.01u

WIDE/NARROW
SWITCH

22

R75

0.01u

C83

R73

C81

22

0.01u

10u

R74

C82

0.01u

C84

C90

19

330p
20

0.01u

8

0.01u
1u
0.01u

C67

L19
L34-4527-05

W:1.07V
N:0V

R57

R70
1k

R54
R49
0

R51

47k

18

C57

C210
R164

C60

D3
DAN235K
L16
L34-4527-05

1k
1k

36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2

CN15
E40-5703-05
E
FINAL UNIT
B
(X45-373X-XX)
B
(A/2)-CN5

C78

R83
0

L23

X1
44.395MHz

B:0.67V
E:0.07V
C:4.00V

330p

Q26
DTC114EUA

Q3
2SC3356(R24)
B:0.77V
E:0V
C:4.91V

22k

R44

0.01u

22k

R42

RF AMP

L43

C66

IC9
TK14489V

3p
C46

C52
0.01u

WIDE

470p

C59
15p

4p
C44

68p

3p
C43

C49

68p

R48

R150

L18
L34-4526-05

C38
C40

220

0.01u
C54

270

15p
L17
L34-4526-05

C216

10k

DC SW

W:0V
N:1.05V

270

* C18
L6

0.01u

-3.5dBm
R46

CN3

470
C113

27p

15p

820

C107

R112

820

R22

R163

5.6

33n

R60
-62.5dBm

C197

CN4

C211

2.2k

L31

33n
C111

L30

33n
27p

L29

C109

R111

1000p

3p

0.01u

R4

3p

W:1.08V
N:0V

L15
L34-4526-05

10p

5
B+IN

-V

C163

DC SW

R137
R138

MB
MO

10u
WIDE/NARROW
SWITCH

D2
DAN235K

44.85MHz

OUT

10u10

4

5

GND

L28

C105

B-IN

3

2

LDT
LDR
EPT
EPR
CP
DP

Q25
DTC114EUA

1000p

C160

D12
02DZ18(X,Y)

XF2
L71-0512-05

+VDC

10p

6
A+IN

6

R76

BOUT

0.01u

DC SW

100n

47k

7
A-IN

3

100k

2

VC

470

0.01u

3

C48

Q1
2SC3357

39p

C6

C110

L41
4

1

R165

22k

R166

F1

1000p

0.01u

1SS355

C162

0.01u

IN

2

VOLTAGE
REGULATOR

DC SW
D7
13.09V

1000p

1000p

OUT

C156

IC5
AN8009M

C157

2

VOLTAGE
REGULATOR

R37

100

+V

AOUT

0.01u

R77

9

220mV

A1
W02-1939-05_8

16.8MHz
8

QS

K1
S76-0401-05

13.10V

L7

5p

L9

B:1.05V
E:0.26V
C:5.94V

RF AMP

C108

L14
L34-4527-05

* C19

*
L3

L2
C2

0

1p

R110

2p

R38

0.5p

10u
C36

L13
2p

56n

X2

1

10p

C103

10p

C102

C89

VSS

10

1

C161

GND

1000p
C153

IN

C159

3.3u16
C158

5CT
8CT

OUT

COM

3.3u16
C151

VOLTAGE
REGULATOR

0.01u

3

1000p

1000p
C171

IN

3

C173

3.3u16
C174

1

5CR
8CR

9CLR
9CLT
C199

0.01u

68

R5
L4
C7
0.01u

C5

C1

1k

6p

1k

5p

22n

39p

C325

C10
100p

R3
680

C17

L8

L1

BUFFER
AMP

0.5p

L34-4616-05

47p

33

DP

Q302
2SC4215(Y)

R155

R319

R156

2p

C4

C16

L5

10

470k

* L27

3

5CT

C179

OUT

C80
10u10

B+IN

-V

47k

R78
B-IN

7

R79

A+IN

GND

100k

BOUT

2

Q’S

L39
L38
L37
L36
L35
L34

11

8C
W/N

L21

C15

R300

C3

15 REF

REF 7

CP
BUFFER AMP

X3
16.8MHz

R82

A-IN

8

FCT

10u10

C25

680k

R21

+V

8CT

820k

220k

3

AOUT

470k

22u10

1

4
10u10

4

IC2
NJM4558E

IC1
NJM2904E
R20

470k

C219
R18

+VDC

BUFFER AMP

2
R19

VC

Q4

12

1
2
3
4
5
6
7
8

8TC

6.8k
1

STT

GND

Q8

0.01u

8

Q7

Q3

13

C195

7

8

Q2

14

SRR

7

Q6

C194

6

Q5

Q1

0.01u

5

6

CLK

15

0.01u

5

OE

C193

4

VDD

DATA

0.01u

4

STRB

C192

3

1
2
3

16

C191

3

FCT
1000p

IC4
NJM7808FA

13.10V

C172

1000p
C143

OUT

GND

1.5k

47u16
C137

R125

0.01u
C135

2

IC7
BU4094BCF

8.07V

C141

1000p
C133

IC10
TA7808F
2

0.01u

1000p
C131

47u16

1.5k
0.01u

C139

R121
C129

C125

C127

0.01u

100u16

C123

22u10

1000p
C120

0
R104
8CLR
8CLT

NC1

2

FCR

0.01u

C155

C154
10u6.3
0.01u

C175

1000p
C177

VOLTAGE
REGULATOR

C176

4.7u10
C178

COM

1000p

0.01u

C148

VOLTAGE
REGULATOR

9.02V

C14

39p

100

EPR

39n

NC2

1

IN

2

1

C13

* C11

R301

CLOCK

C12

14 CP

DATA

B:5.37V
E:5.97V
C:1.53V

C9

CP 6

R302

10u

1000p

100

R303

1

C8

100

13 DP

L33

C214
5p

12 EPR

LDR

39n

AO2

1

3
OUT

1.2u

11 LDR

DP 5

L300

C321

AO1

AO3

9

1

C149

1000p

2

R127
10

Q10
2SA1586(Y,GR)

22k

L302

AO4

10

8.05V

IC11
NJM78L05UA

3

IN

COM

4.7u10
C145

C146

OUT

7.88V

10k

L301

C150

R6
1k

R128
4.7k

C147

C144
1.5k

1000p

1

C142

R124
C140

5.06V

7.87V

10

LDR 3
EPR 4

R7
10k

R1

100

2

R321

3p

DI

VSS

0.01u

C138

47u16
C136

47u16

1000p

0.01u

1000p
C130

C132

1.5k
0.01u

IC3
NJM78L05UA

B:8.95V
E:8.28V
C:8.98V

22k
CURRENT CONTROL

STROBE

100n

C316

3p

CLK

AO5

11

RIPPLE FILTER

R11

2.7k

LOCK

R304

10 5C

5C 2

1000p

3

VDD

C313

22u10

0.01u

22u10

1000p

R15

22k

R148

C167

1000p
R120
C128

C124

C126

0.01u

100u16

C122

22u10

1000p
C121

C106

1000p
1000p

C98
L26

47n
22

1000p
C97

C152

270

270

0

R17

1k

R143

1000p

R109
100

C99

1000p
R13
47

C96
1000p
R99

100

1000p
R97
1.8k
R98

47

1000p
C92

1.8k
R92

R94

R361

1000p

C373

4.7k

9 FIN

1k

0.1u35

C311

0.1u

C304
1000p

R322

C307
CP

CN300
FIN 1

1k

0.047u

2.2k

C315

R313
R308

5p

10k

R322

1000p

C322

22p

1000p

4

L303

R154

1000p

C329
C325

BUFFER
AMP

VSS

TEST

33

22k

R321

100n

L303

1000p

Q302
2SC4215(Y)

RF

20

47p
C317

39p

22p

C321

39n
C314

R308
C307

C319

L302

39n
56
1000p
C312

R319

RFIN

C322

10

0

5
RN

18

C319

R300

6

R158

15 REF

R305

C305

RFIN

16

1000p

100

1k

0.1u

R301

22

B:1.05V
E:0.62V
C:4.81V

AO6
13

MB
MO

7
VCCP

VDDA

330

14 CP

PHP

R315

CP 6

0.1u

100

2.2u10
C308

100

15

Q19
DTC114EUA

8C
W/N

B:7.92V
E:7.23V
C:7.96V

LD

12

R126
10

Q15
2SC4116(GR)

DO

VDD
14

DC SW

8TC

R122
10

VCC
15

C306
0.01u

8

19

15p

R302

13 DP

R306

R130
47k

DC SW
Q17
DTC114EUA

SHIFT
REGISTER

D/A
CONVERTER

16

REFIN

17

C317

R303

1
CLOCK

DP 5

6.8k

15p

2

14

R310

Q301
2SC4116(GR)

0.1u
C309

R320

C310

12 EPT

C327

11 LDT

1k

DATA

20

LDT 3
EPT 4

56
1000p
C312

STROBE

100

C314

R304

470k

3

R314

4

BUFFER
AMP

RA

PHI

R309
220

IC6
M62354GP

9
VSSA

R311
22k
0

5C 2

REF 7

330

4p

10

13

220

10 5C
R317

VSS

19

R315

C316

4p

0.22u

C323

C304
1000p

0

0.1u

0.1u

1000p
C308

C330
C313

RF AMP

5CR

AUXIN

12

R312

Q300
2SC4116(GR)

9 FIN

R318

RF

VDD

470k

R314

0

R318

CN300
FIN 1

0.47u25

RFIN

TEST

0.47u25

1000p

5
RN

LOCK

L304

0

6

L305 18

L300

C305

RFIN

17
C310

6.8k

R305

VCCP

16

R310

11

27p

7

C324

0.1u35

C311

22

2.2u10

BUFFER
AMP

REFIN

VDDA

RF AMP

Q18
DC SW 2SB1386(R)

Q12

Q13
2SC4116(GR)

27p
Q9
2SC3357

R129
47k

5.03V

Q14
2SC4116(GR)

R123
10

RIPPLE FILTER

15p
Q8
2SC3120

T:8.05V
R:0V

RIPPLE FILTER

C100

B:1.50V
E:0.72V
C:6.15V

1k

L306 15

2.2u10

IC300
SA7025DK

C318

R151

ACTIVE
FILTER
Q301
2SC4116(GR)

L301

C24

C324

1k

R311
22k

C309

R320

R306

C306
0.01u

8

PHP
220

0

R317

Q300
2SC4116(GR)

9

PHI
14

C320

1.5k

PHA

RA

VSSA
13
R309
220

R316

R157

10

12

R312

C93
C95

4.7k

VCO OSC

4.7k

R363

R100

C371
15p

L25

Q353
2SC4116(Y)

56n

DC SW

LDT

C315

0.047u

2.2k

R313

C323

0.22u

ACTIVE
FILTER

L22
82n

R95
R96
R93
C91

1p

R91
4.7k

270

AUXIN

PHA

100

C376
1000p

10p

Q354
DTC114EUA

10k
47

R358

33

C375

L359

C365

1000p

C361

L32
0.1u
1000p

C378

R367
220

10k

R366
4.7k

R360

DC SW

5CR

E04-0154-05
CN19
FINAL UNIT
(X45-373X-XX)
(A/2)-CN1

+0.8dBm

Q14
B:8.95V
E:8.29V
C:8.98V

Q14

Q12
2SC4116(GR)

8T

T:8.05V
R:0V

RIPPLE FILTER

R357

1000p

11

1k

2.2u10

IC300
SA7025DK

1k

C318
2.2u10

R152

C320

EPT

1.5k

R153

R316

DC SW
Q23
DTC114EUA

Q12
B:7.77V
E:7.09V
C:7.80V

Q16
2SB1132(Q,R)

DC SW
7.78V

PLL

DP

L307

PLL

RF AMP

4.7k

50n

FREQUENCY
CONTROL
C358

0.47u

L357

T:0V
R:1.03V

R16
18

270

L361
10u

39p

10u

R355
C355

1SV282

18p

0

R160

15p

C367
15p

10u

T:1.04V
R:0V

R362

V-RXVCOH
C369

10p

7 VO

1

Q352
2SC4116(Y)

Q351
2SK508NV(K52)

47p

0

D353

C363

R352

L351

1000p

10u

0

VO

R106

Q11
2SC3120

1.8k

82n

L362

R365
47k

1000p

C377
L360

10u
270

R356
18p

C370

18p

C366

47p

C362

DC SW

1000p

10u

L358

C364

1000p

C360

0.47u

C354

1000p

10u

L354

D350

R359
47

C374
1p

C22

R159

8p

4.7k

R361

1000p

C373

50n

C372

NC

C379
10p

Q350
2SK508NV(K52)

L350

R350

-6.2dBm
8 GND

220

18p

8p

6

TC350

NC 6

8p

9CL

C359

1k

R88

C88

1000p

C378
1000p

C376

47

R358
10u

5

R363

9p

10k

9CL 5

4.7k

C371

R371

CV

8p

50n

L357

4

CN351
GND 2

8CLR

FREQUENCY
CONTROL

9p

Q351
VCO OSC

CV 4

BUFFER
AMP
Q355
2SC4215(Y)

R364

Q353
2SC4116(Y)

C369

18p

18p

C363

18p

1SV282

8CL

DC SW

470
FREQUENCY
CONTROL

1000p

10k

R367
220

R366

10u

L360

470

R356

C370
15p

R370
10k
33

L361

0.75p
C365

1000p

R355

100k

R375

1SV214
C381

22k

R374

0.47u

D355

Q354
DTC114EUA

C375

R357

C367

C355

SRR

3

SRR

9CLR

1p

1SV282

L362
82n

R365
47k

C377

1000p

33

R354

0.75p
C364

1000p

22k

100k

R372
D354

50n

L356

22p
C361

1000p

C357

D353

2

8CL 3

33p

TC351

10u

SRR 2

1SV282

4p

L351

0

TC351

C383

L355
10u

D351
1SV282

R352

1000p

0

R90
C87

FREQUENCY
CONTROL

1000p

6

C382

MO 6

33

33

V-RXVCOL
C368

L356

FREQUENCY
CONTROL

C357

10u

9CLT

10k
TX-VCOH
Q351
2SK508NV(K52)

10u

C356

10u

MO

0

D355
MODULATION

0
CN350
1 GND

D352

L355

L350

L353

D351

R350

GND 1

R353

1SV282

9CL

R354

VCO OSC

C383

CV

5

10u

FREQUENCY
CONTROL

RX-CV
(TP101)

DC SW

R364

L352

0
-2.7dBm

4.7k

8CLT

R351

1000p

4

7 VO

4.7k

CV 4
9CL 5

VO 1

R362
R360

8CL

15p

Q350
VCO OSC

DC SW
Q352
2SC4116(Y)

C372

STT

3

8 GND

R359
47

C374
1p

1000p

2

8CL 3

STT

CN351
GND 2

C379
10p

C368

27p

BUFFER
AMP
Q355
2SC4215(Y)

Q350
2SK508NV(K52)

8p

STT 2

1SV214
C380

C360

0.47u

C354

27p

1SV282
FREQUENCY
CONTROL

GND

TX-VCOL

C23

8T

470p

0.31V
D8
DAN235K

R368

33

C366

TC350

1k

R87

C356

10u10

C86

1000p

1

10u

0

CN350

D352

C362

L353

R353

GND 1

L354
10u

FREQUENCY
CONTROL

TX-CV
(TP102)

D354
MODULATION

1000p

10u
D350
1SV282

L352

0

R373

R368

R351

4.7k

Q11
B:1.51V
E:0.75V
C:6.35V

22k

C164

TX SW

A3 SUB UNIT (RX VCO/PLL) (X58-4780-10)

TX-RX UNIT (X57-695X-XX)(B/2)-CN602

R144

A2 SUB UNIT (TX VCO/PLL) (X58-4790-10)

R14

VO

C166

VO

C134

VO

-117.0dBm
CN18
E04-0154-05

A

B

C

D

E

TKR-750 SCHEMATIC DIAGRAM / 

TX-RX UNIT (X57-695X-XX) (B/2)

1

SB
8C

1

R604

D600
DA204U
CN600
E40-6102-05
SB

33k

SURGE
PROTECTOR

R605

SB

C600

GND

0.1u

BATT

100k

GND

NC
DAT
PSW

STB1

STB1

CLK

CLK

SOE

SOE

PTT/TXD1

TXD1

HK/RXD1

R603

KEY1

K2

C613

RXD1
KEY2

K3

VOLTAGE
DETECTOR

1k

K1

0.01u

IC601
RH5VL42C
2

5.00V

KEY3
KEY4

K5

KEY5

VLI

5.00V

VDD OUT 1
GND

0.1u

K4

C623

2

DISPLAY UNIT
(X54-3330-21)(A/2)-CN502

DAT
PSW

3
CNVSS

VLI

5C
MIG
MIC

RESET

DC SW

XOUT

4.7k

XIN

NC

0

22p
R615

C635

X600
14.754M

DET

0.01u

36

47k
C614

CN602
E40-6009-05
NC

R600

3

C634
22p

R602

100p

C629

Q600
2SK1824

20

ASQ

ASQ

RSSI

RSSI
SC

TX-RX UNIT
(X57-695X-XX)(A/2)-CN14

C616

DP

0.01u

CP

EPR

R607

0

EPT

R608

0

LDR

R609

0

LDT

R610

0

CP601 1k*2

DT
CK

EEP ROM

ENR

IC600
AT24C08A10SI18

ENT
1

LDR
R634
LDT

R611

FWD

0

47k

Q601
DTC114EUA

DAT

3
4

DC SW
TMP

R613

0

SCL

GND

SDA

7
6
5

SDA

Q602
2SK1824

PSW

TMP
SOE

A2

8

SFT
SCL

DC SW
0

WP

47k

LD2
R612

VCC

A1

R633

BUP
PSW

A0

STB
FWD

LD2

2

BUP

CLK

STB

47k

1k*2

R606

CP600

CP

47k

DP

R616

SC

4

L600

GND

SOE

GND
MB
MO
GND
GND

5

QS
NC
SB
SB
SB
AMPSW

SB
NC

AM

8C

SOE

C639
8

14

0.01u

QS
VSS

Q7
Q2

Q8

Q6
Q1

Q’S

Q5
CLK

Q4

OE

Q3

VDD

DATA

IC602
BU4094BCFV

GND

6

1 STRB

0.1u

SHIFT
REGISTER

0.1u

C605

C602

1

9

16

8C

STB

NC
PTT

PTO

CLK

RXI
CLRC
R601
PTI
0
BC4
BC3
RXI
GND
MIC

BC2
BC1

DEI
5C

AC
RXO

DATA
MB
MO

TXI
TXO
CN601
E40-5701-05

7

1

RXO
TXI
TXO

106
X57-695 (B/2) 1/5

F

G

H

I

J

TKR-750

SCHEMATIC DIAGRAM / 


TX-RX UNIT (X57-695X-XX) (B/2)

5.05V

KEY3

D4
D5
D6
D7

KEY1

KEY2

L604

FWD

RSSI

VLI

ASQ

AI1

D0
D1
D2
D3

C640

10u10
0.1u

BATT

AI3

SB
8C

AI2

L601

IO6

SOE

47k

C641

R814

STB1

IO5

SB
8C

1k
R656

CP612 1k*2

CP611 10*4

CP610 10*4

1k
R644

1k

1k
L603

R640

KEY2
KEY3

A0

CNVss

A1

ENT

A2

ENR

A3

RESET

A4

CPU

Xin

IC604
30622M4A-487GP

A16

LD2

A17

CP616
10*4

A8
A9
A10
A11
CP617
10*4
A12
A13
A14
A15
CP618
10*4

A16
A17
A18

0

47k

47k

47k

100

100

1k

1k

1k

100

R641

R643

R645

R646

R647

R648

R649

R650

R651

R652

0
R639

CP609
100*2

R637

CP607
1k*2

0

R622

CP606
4.7k*2

1k

1k

R635

R663

47k

R614

47k

R664
R665

47k
47k

R630
R631

47k
47k

R666
R667

47k
47k

IC603,606
BUS TRANSCEIVER

A3

A3

B2

D3

A4

B3

DL2

A2

A4

B3

HCNTL1

D4

A5

B4

DL3

A1

A5

B4

HCNTL0

D5

A6

B5

DL4

A6

B5

HBIL

D6

A7

B6

DL5

A7

B6

D7

A8

B7

DL6

A8

B7

GND1

B8

DL7

GND1

B8

GND2

GND3

GND2

GND3

13

12

HCS

INTx

STB

CS0

A9

DL1

A11

B2

A13

A3

A14

D2

WR

B1

A17

A2

A18

G

A0

A16

A1

DL0

A15

HCS

B1

A7

G

A2

A6

A1

D1

A5

D0

A4

FLASH ROM
IC609
AT29C020-90TI

A12

24

VCCB1

R836
47k

HCSL

A14

A13

A8

A9

A11

IO7

CE

A10

OE

VCC
IO3

IO6

A18
GND

WE

A16
IO2

A17

A15
IO1

IO5

A7

A12
IO0

A6
A1

A0

A5
A2

HRW

1
A4

16

A3

17
D7

D6

D5

D3

D2

D1

A0

D0

A1

A3

32
A2

VCCA VCCB2
DIR

VCCB1

0.01u

1

DIR

10u10
C691

HCS

24

RD

12

WR

RD

DP

CP

RXD0

TXD0

0.1u

IC606
TC74LVX4245FS

C646

0.1u
C844

TXD1

C843

IC603
TC74LVX4245FS
VCCA VCCB2

RXD1

EPTT

PTT

RS

SDA

1

CP619
10*4

50

26

SFT
SCL

A4
A5
A6
A7

51

A18

A19

CS0

INTx

STB

WR

RS

25

HCS

A15

BEEP
BHE

LD2

IO3

RD

1k

A14

BCLK

0.1u

R627

A13

LD1

HLDA

C851

SFT

HOLD

IO3
R837
3.3k

A12

ALE

1k

A11

DAT

RDY

1k

R626

CLK

DP

R834

LD1

A10

CP

R625

SFT

A9

INT0

RXD0

0

TMP

TXD0

R624

Vcc

SDAT

0

A8

BUP

SCLK

R623

CP615
10*4

A7

NMI

RXD1

3.3k

DAT

1k

TXD1

CLK

1k

R621

PTT

TMP

R620

EMON
A0
A1
A2
A3

Vss

EPTT

BUP

1k

A6

Vcc
47k

R662

A5

Vss
0.1u

R619

1k*2

10u10

D7

KEY1

D6

D5

D4

D3

D2

D1

D0

FWD

RSSI

VLI

ASQ

EMON

BYTE

Xout

C638
XIN

R642

L602
AI1

AVss

AI3

Vref

IO1

LDT
LDR
CP614

Q612
DTC144EUA
DC SW

RD

0

R629

LDR

IO4

XOUT

IO2

KEY5

A10

ENR
RESET

LDT

C644

CP603 100*2

ENT

5TONE

0.01u
C645

0

KEY4

A8

100*2
R618

IO1
CNVSS

CP613
1k*2

75

D4

IO2

47k
47k

KEY4
KEY5

3.20V

IO4

CP620

47k

CS0

100

R817

IO4

R659
R660
R661
76

BATT

IO5

AVcc

SOE

IO6

1

STB1

100

AI2

1k

CP608

R638

CP604
1k*2

CP605 1k*2

1k*2

GND

13

RXI

RXI
GND
MIC

GND
MIC

DEI
5C
DATA
MB
MO

DEI
5C
DATA
MB
MO

RXO
TXI

RXO
TXI
TXO
BEEP

TXO

107
X57-695 (B/2) 2/5

K

L

M

N

O

TKR-750 SCHEMATIC DIAGRAM / 


TX-RX UNIT (X57-695X-XX) (B/2)
SB
8C

DL7

NC1 1

NC18
NC17

NC8
CVDD7

39
HCNTL0

0

A9

40
VSS6

A8

41
BCLKR0

BCLK

A7

42
BCLKR1

A6

43
BFSR0

A5

44
BFSR1

LRCK

A4

45
BDR0

SDT0
R692

HCNTL1
R813
47k

HD6

46

0

HCNTL1
A3

47
BDR1

A2

48
BCLKX0

BCLK

A1

49
BCLKX1

MCLK
C707

A0

50

0.01u

VSS7
DVDD

51
HINT/TOUT1

HDS2

52
CVDD3
C693

VSS16

53

10u10

DSP

BFSX0

HDS1

54
BFSX1

LRCK
C695

IC618
320VC5402PGE

55

470p

HRDY

NC16
CVDD6

56
DVDD3
C694

HD5

57

10u10

VSS8
D15

58
HD0

DL0

D14

59
BDX0

SDTI

HBIL

C708

0.01u

60

C696

470p

61

R693

0

62

D13
BDX1
HD4
IACK
D12
HBIL

R694

100

63

R695

100

64

R696

10k

65

R697

100

66

R698

10k

67

D11
NMI
D10
INT0
D9
INT1
D8
INT2
D7
INT3
D6

68
CVDD4

DVDD5

69
HD1

DL1

VSS15

70

0.01u

15p

10u10

C749

470p

143

C750

0.01u

142
141
140
139
138
137
136
135

DL6

134
133
132

C759

470p

131

C757

10u10

C747

0.01u

C748

0.01u

130
129
128
127
126
125
124

DL5

123

C752

470p

122

C753

10u10

121
120

DL4

119
118
117
116
115
114
113
112
111

C751

0.01u

C755

470p

C756

10u10

110
109

108

A18

107

106

C735

0

A17

VSS14

A19

R733

A16
105

D5

27p

C737
27p

4.7k

X601
16.515M
C738
0.01u

R731

22k

R687

C734

Q604
2SK1824
DC SW

RS

DL3

104

D4
103

D3
102

D2
101
47k

D0

D1
100
R688

98

100

99

R730
C824

4700p

97

RS

X2/CLKIN

NC15

0

R727

0.01u

96

X1

HD3

CLKOUT

VSS13

94

93
C727

95

HPIENA
92

CVDD5
91

NC14
90

TMS
89

88

TCK

TRST
87

TDI
86

EMU1/OFF
47k
R704

85

EMU0

TOUT0
82

83
47k
R705

DL2

81

HD2

NC13
80

CLKMD3
0
R703

79

CLKMD1

CLKMD2
78
0
R701

77
0
R699

VSS12

DVDD4

76

NC12

75

0.01u

Q615
DTC144EUA

C719

73
10u10

10u10

C714

INTx

C710

74

NC10

470p

72

470p

C716

C711

NC11

NC9

47k
DC SW

TDO

VSS9
71

R689

84

C709

C754
144

L605

R691
HCNTL0

10u10

470p
C745

C741

0.01u
C742
2

3

NC2

VSS1

4

6

7

8

5

DVDD1

A10

HD7

A11

10

11

12

9

A12

A13

A14

C733

13
HAS

A15

47k

10u10

R726

14

NC4

CVDD2

L607

NC3

0.01u

470p

C731

C732

15

R724
17
HCS

VSS3

HRW
0

0

R723

L606

16

47k
R720

18

20

21

22

23

19

HRW

READY

PS

DS

IS

R/W

MSTRB

IOSTRB

24

XF
25

26

27
XF

HOLDA

MSC

47k
28

R702

29
IAQ

HOLD

31
BIO

MP/MC

32

R700
100

33

38

30

C718

0.01u

34
VSS5

NC7

DVDD2

C717
470p
35
NC5

NC6

36

C713
10u10
37

HCSL

SB
8C

R734
47k

SFT

RXI
GND
MIC

10k

820k

150k

R832
8.2k

270p

4700p

0.01u

C839

C840

8.2k

R833
22k

C842
1u25

5

C838

0.01u

220k

R829

IN2+
VEE

6
IN2IN1+

7
OUT-B
IN1-

4

2

3
R828

56k

0.01u

10k

AF AMP

R830

0.01u
C837

R820

470k

10k

C836

R823

1k

C831

10k

R818

OUT1

8
1

R821

R822

VCC

AF AMP

0.1u
IC632
TA75W01FU

C835

IC631
TA75W01FU

IN2+

5

820k

VEE

IN1+

IN2-

0.1u

4

3

2

IN1-

OUT1
1

C829

6

OUT-B

VCC

7

8
R819

0.1u

C834
SCLK

4.7k

INVERTER

8
COUNTER

0.01u

IC613
TC74VHC4040FT

CK

Q1
GND

Q2

CLR
Q3

Q8

Q10

Q9
Q4

Q7

Q5

Vcc

Q11
Q6

Q12
1

Q603
DTC114EUA

R824

3

R826

R825
XF

C830

2

INVERTER

C832

9

R831

0.01u

R827

1000p

LRCK

BCLK
GND

IN

NC

IC612
TC7S04FU
1

16

OUT

4

VCC

5

C833

MCLK

C712
0.01u

27k
RXI
GND
MIC
DEI

DEI
5C
DATA
MB
MO

5C
DATA
MB
MO

RXO
TXI
TXO
BEEP

RXO
TXI
TXO
BEEP

108
X57-695 (B/2) 3/5

P

Q

R

S

T

TKR-750

SCHEMATIC DIAGRAM / 


TX-RX UNIT (X57-695X-XX) (B/2)
SB
8C

SB

AMPSW

AMPSW

47k
R743

0.1u

C825

C806

47u25

0.1u
C826

10u6.3

C785

0.1u

C786

2
5
IN(+)

0.01u

IN(+)

AINL

PWDA

16

VSS

PWAD

VDD

SCLK

SCLK

DEMO

MCLK

MCLK

DEM1

LRCK

LRCK

SDTO

SDTI

SDTI

8

IN(-)

9

C684
R683

100p
120k

R717

47k

R718

47k

R736

C739
180p

T2IN

T2OUT

T1IN

V-

C1-

GND

V+

VCC

C1+

16
C722

R713

R719

C729

10u10

27k

150k

10u10

R672
100k

C821

22k

100p

R842

0

C652

100p

R676

82k

1

2

3

10u10

R741

R721
22k
RA1
C822
100p

R715
10k

47k
100k

100p
D/A CONVERTER
IC615
M62364FP

R686
100k

0.01u

1
A-IN

AOUT

A+IN

2

3

4
-V
IC611
NJM4558E

VOUT6
MB
VIN6
DO

R675

R682
15k

33p

VOUT3
VIN3
DI

0.01u

47u4
C705

CLK

CLK

RESET

LD

LD1

C701

10u10

VDD

VIN7
TA
VOUT7

VIN2
RD
VOUT2

VOUT8
TD
VIN8

VOUT1
RA
VIN1

C681
68u6.3

R841

0

1

24
RXI
GND
MIC
DEI
5C
DATA
MB
MO
RXO
TXI
TXO
BEEP

DAT

VDAref

GND

82k

IC607
AF AMP

VIN4
VOUT4

22k
C823

C692

+V

BOUT
8

7

B-IN

B+IN
5

6

18k

0.47u25

C670
R681

22k
R679

C663

1u25

1

2
B-IN

6

5
22k

22k
R669

R658
47k

47k

R657

C649

12
VIN5
MO
VOUT5

R812

AF AMP
R674

R671

C642

R655
47k

TAS

0.01u

C

C657

VSS

IC607
NJM4558E

MIS

AOUT

B

+V

VEE

A-IN

TDS

A+IN

A

BOUT

INH

7

X0

100k

Z0

8

3

4
-V

X1
B+IN

X

Z

C723
1u

C690

R684
R685

13

Y

0.01u

+V

BOUT
8

7

AF AMP

C730

A-IN

AOUT

A+IN

-V
C841

B+IN
6

47k
R712

1u

33k
R735

0

R742

0.01u
C743
R739
10k

R709
22k

16

0.01u

GND

IC617
NJM4558E

VDD

Z1

1u

-t

10k

R714

5

100p

150k
C746

C740

22k

R729

22k

R708

C725

R740
100k

270k

C679
10u10

9

RD1

TH700

R843

4
2

OUT-A

R738

AF AMP

MULTIPLEXER
IC605
BU4053BCF

8

1u25
1

8

7

6

5

8

7

6

5

R722

0

Y0

C779

1u25

1
IN(-)-A

VDD

IN(-)-B IN(+)-A

OUT-B

3

4

VSS

22k
47k
R728
R732

IN(+)-B

0.01u
C728

IC619
TC75W51FU

AOUT
+V

1

3

2
A-IN
BOUT

4
-V

A+IN
B-IN

B+IN

IC616
NJM4558E

R710
47k

T1OUT

1u25

1u25

0.1u

C736

47p

Y1

C2+

270k

330k

1

C2-

R1IN

1800p

AF AMP

R653

DXD2

C776
C761

R707
22k

R1OUT

10u10

180p

RXD2

R2IN

C775

C744

C726

C724
1800p

R2OUT

TXD0

C763
1000p

47k

R737
47k

8

RXD0

C777

SDTO

4

OUT

R815

IC620
ADM202EARN
9

VEE

3

RS232C
TRANSCEIVER

5

VCC

100k

C758

AOUTL

B-IN

2

R678
100k

0.1u

IC610
TA75S01F

AINR

C852

1

22k

0.01u

C700

22k

C685
AF AMP

R680

10u10

VCC

C648

R670

0.1u

VEE
1

C662
10u10

VCOM AOUTR

C698

10u10

18k

10u10

OUT

C704

0

1

C697
10u10

4
IN(-)

C706

IC608
TA75S01F

3

C720

R668

1000p

C643

C721

IC614
AK4550VT

10u10

CODEC

-t

10k

10u10

TH701

330k

10u10

R654

220k

R844
AF AMP

10k

0.01u

IC622
TC7S66FU
MULTIPLEXER

C703

DEO

R744

100p

R673

DEI

R747

1
IN/OUT

39k
C764

2

VCC

VOLTAGE REGULATOR

C647

C778

2
5

IC624-628,630

DET

3
GND

CONT

OUT/IN
C817

10u6.3

C801

100p

C795

4
5V AVR
3

IN

1u 25

IC630
TA78L05F

5.04V

OUT

C782

VSS

10u6.3

C771

1u

C781

VSS

10u6.3

C770

100p
100p

Q605
DTC114EUA

R745
47k

VIN

R690
47k

INVERTER

IC621
TC7S00FU

IN

1

1

4
OUTX

GND

NAND GATE

2

2
VOUT

C768

3.3V AVR

3

5V AVR
OUT

3

3.3A

INA

3

VIN

IC626
XC62FP3302P

3.34V

5.02V

5
VCC

INB
2

2

1

1

1
AM
SPM

IC628
TA78L05F

2
VOUT

C767

3.3V AVR

8.00V

IN

COM

3

3.3D

1u

3.32V

1u

1
IC625
XC62FP3302P

5V AVR
3

OUT

C780

VSS

10u6.3

100p

C769

C766

1

VIN

COM

2
VOUT

COM

3

1.8C

IC627
TA78L05F

5.06V

1.8V AVR

47u25

IC624
XC62FP1802P

1.82V

C715

0.01u
TD1
5C
DATA

TAI
GND

109
X57-695 (B/2) 4/5

U

V

W

X

Y

TKR-750 SCHEMATIC DIAGRAM / 


TX-RX UNIT (X57-695X-XX) (B/2)

1

SB
C783

13.10V

470p

4.7k

LA4422

47k

REVERSE
CURRENT
PROTECTOR

D626

10

CURRENT
PROTECTOR

MINISMDE190

OUT

NC2

GND
8

9

NFB

BS
7

NFA

6

NC1

DC
4

3

2

1

IN

VCC

AUDIO AMP

5

R762

IC629

DC SW

R753

D628

1SS355

D627,628

Note : The components marked with a
dot (• ) are parts of
layer 1.

1.20V

Q609
DTC114EUA

R802

2.2

C815

0.1u

R781
470

C797
1000p

R774
1M

C789

330u25

1u
10k

Q606
DTC363EU

1000u25

C811
47u25

C798
47u25

1u

C793
1000p

10k
C784

C787

R763

R754

C814
R758

47k

D627

1SS355
47k

470p

DC SW

Q611
DTC114EUA

R811

R767

Q610
2SJ506(S)
DC SW

47k
C791

13.10V

AMPSW

2

560

1
CURRENT
CONTROL

8
QS

VSS

Q’S

Q4

Q8

Q3

SB
GND

Q613
DTD123TK

DC SW
Q607
DTC144EUA

GND
4

CURRENT
CONTROL

TDS

Q7

Q2

RXD2

MIS

Q6

Q1

DXD2

TAS

Q5

CLK

SOE

OE

DATA

DC SW

VDD

STRB

Q608
DTC144EUA

12

Q614
DTD123TK

3

SPG
SPG
RD

L608

16

CN603
E40-5887-05
SB

TEST/SPKR

560

0.01u

C765
9

R839

R840

ANI

47u25

C800

PSW

AF MUTE SW

1

RSSI
SPI
AO1
AO2

IC623
BU4094BCFV

SPO

SHIFT REGISTER

SPO
STB
DAT
RD1

CLK

R793

1k

L611

AO3

R789

1k

L612

AO4

R785

1k

L613

AO5

1000p

1000p

1000p
1000p
1000p

C805

C808
C810
C813

D614,618,621,629

C803

1
RSSI

CN604
E40-5702-05

ACC

SURGE PROTECTOR
D614
DA204U

GND

D618
DA204U

D621
DA204U

D629
DA204U

4

1
SP

SP

SPG
2

47k

47k
47k
47k
47k
47k

R794

D622
DA204U

R798
R803
R805
R807
R809

D619
DA204U

47k
47k

D615
DA204U

R786
R790

D611
DA204U

47k
47k
47k

D609
DA204U

R777
R779
R782

D607
DA204U

47k
47k

D606
DA204U

R772
R775

CN605
E40-5704-05

SPM
SC
RA1

EPTT
EMON
AI1
AI2
AI3
IO1

5

IO2
IO3
IO4
IO5

C774

R749

0

R750

0

1k

R765

1k

1k
1k

1k
1k
1k

1k

1k
1k

R795
R799
R804

R806

R808
R810

30

1u
C827

100u10

100u10

0

C773

C828

R752

GND

110
X57-695 (B/2) 5/5

C762

1000p
C820

1000p
1000p
C818
C819

1000p

1000p
1000p
C812
C816

C809

1000p
1000p
1000p

1000p

100p
1000p

1000p
1000p
C804
C807

0

C796
C799
C802

2.2u10

C794

1000p

C760

TAI

1000p

2.2u10

C790
C792

DATA

1.2k
1.2k
1.2k
1.2k
100p

R751

5C

R760
R766
R768
R771
C788

TD1

C772

1

NC
NC
NC
NC
NC
RXD2
EMON
TXD2
EPTT
AI1
SC
AI2
NC
AI3
TXG
DG
IO1
TD
IO2
TA
IO3
RD
IO4
RA
IO5
RXG
IO6
SPM
NC
NC

CONTROL I/O

R764

1k
1k

D606-612,615,616,
619,620,622,623
SURGE PROTECTOR

R787
R791

D623
DA204U

R780
R783

D620
DA204U

1k

D616
DA204U

D612
DA204U

R778

D610
DA204U

1k
1k

D608
DA204U

R773
R776

IO6

6

CN606
E40-5960-05

D-SUB

7

TX-RX UNIT (X57-695X-XX) (B/2)
C783

1

BEEP

R767

D626

MINISMDE190

OUT

NC2

GND

9

10

NFB

NFA

BS

8

7

6

NC1

DC
4

VCC

IN

3

2

1

5

R762

R802

2.2
0.1u

R781
470

C815

C798
47u25

C793
1000p
R774
1M

330u25

C789

10k

R763

1u

C784

10k

47k

R753

D628

1SS355

D627
R747
C778

1u 25

47u25

PSW

C800

0.01u

TEST/SPKR

1u

R815

560

R839

R840

560

L613
1000p
C813

100p

1k

D614,618,621,629

-t

22k

AO4

R785

AO5
1

10k

R714

L612

RSSI

TH700

C821

1k

1000p
1000p

10u10

10u10

100k

RD1

AO3

R789

C808
C810

10u10

RD1

L611

1000p

150k

1k

1000p

10u10

27k

CLK

R793

C803

R719

C729

CN604
E40-5702-05

ACC

SURGE PROTECTOR

GND

D614
DA204U

GND

D618
DA204U

D621
DA204U

D629
DA204U

1
SP

SP

1

2
CN605
E40-5704-05

D607
DA204U

D609
DA204U

D611
DA204U

D615
DA204U

D619
DA204U

D622
DA204U

D608
DA204U

D610
DA204U

D612
DA204U

D616
DA204U

D620
DA204U

D623
DA204U

47k

D606
DA204U

R809

0.01u

+V

BOUT

B+IN

C841

AF AMP
IC617
NJM4558E

C730

A-IN

AOUT

-V
47k
R712

1u

33k
R735

0

R742

5
L605

100p

R721
22k
RA1
C822
100p

R715
10k

RA1

SPM
SC
EPTT
EMON
AI1
AI2
AI3

C723
1u

IO4

RXO
TXI
TXO
BEEP

DATA
MB
MO
RXO
TXI
TXO
BEEP

1k

1k
1k

R806

R808
R810

1000p
1000p

1k

R765

1k

DI

DAT

0.01u

47u4
C705

22k
VDAref

CLK

CLK

RESET

LD

LD1

GND

C701

10u10

VDD

VIN7
TA
VOUT7

VIN2
RD
VOUT2

VOUT8
TD
VIN8

VOUT1
RA
VIN1

C681
R841

0

C774
1

C715

R749

0

R750

0

1u

0.01u
TD1
5C
DATA

TD1

C772

C827

100u10

100u10

0

C773

C828

R752

5C
DATA

2.2u10

TAI
GND

R751

TAI
GND

2.2u10

0

1000p

68u6.3

1

NC
NC
NC
NC
NC
RXD2
EMON
TXD2
EPTT
AI1
SC
AI2
NC
AI3
TXG
DG
IO1
TD
IO2
TA
IO3
RD
IO4
RA
IO5
RXG
IO6
SPM
NC
NC

CN606
E40-5960-05

D-SUB

CONTROL I/O

1k
1k
1k
R795
R799
R804

DEI
5C

1000p

R764

VIN3

1000p
1000p

5C
DATA
MB
MO

RXI
GND
MIC

1k
1k

VOUT3

24
RXI
GND
MIC
DEI

1k
1k

DO

C823

C692

+V

BOUT
8

7

6

B-IN

B+IN
5

IC607
AF AMP

30

VOUT4

R812

82k
33p

R787
R791

0.01u

1

2
A-IN

AOUT

3
A+IN

4
-V
IC611
NJM4558E

18k

0.47u25

C670
R681

22k

1u25

IC607
NJM4558E

AOUT
+V

0.01u

1

2
A-IN

A+IN

BOUT

B-IN

C649

SURGE PROTECTOR

VIN4

R780
R783

22k

22k
R671

R658
47k

VOUT6
MB
VIN6

AF AMP
R674

R669

C642

47k

TAS
9

R682
15k

C

R679

VSS

C663

MIS

D606-612,615,616,
619,620,622,623
12

VIN5
MO
VOUT5

1000p
1000p

D/A CONVERTER
IC615
M62364FP

1k
1k

82k

C657

TDS

B

0.01u
27k

R676

100p
R686
100k

8

A

VEE

100k

INH

7

X0

8

0.01u

0.01u
C837

3

4
X1

-V

Z

B+IN

X

6

Y

Z1

5

0.01u

C838

VEE

Y0

Z0

56k

100p

47k
100k

VDD

Y1

R830

C652

R684
R685

16

1

C842
1u25

0

13

R657

R833
22k

R672
100k

R842

IO5
IO6

C690

R776
R778

C679
10u10

1000p
1000p
1000p

0

1000p

R653

R655
47k

IN2+

5

220k

DAT

IO1

10k
R829

STB

IO2
IO3

4

7

6
IN2-

OUT-B

SPO
SPO

1u25

R713

R709
22k

10u10

R741

C740

22k

C725

AO2

SHIFT REGISTER

1

R843

150k
C746

270k

47p

R822

C836

C831

C1+

C779

1u25

C820

BEEP

VCC

AO1

C818
C819

RXO
TXI
TXO

V+

SPI

C809

RXO
TXI
TXO

GND

1
IC623
BU4094BCFV

C722

4
2

R738

AF AMP

R739
10k

R722

R729

C737
27p

C1-

16

1u25

RSSI

8

7

6

5

10u10

R740
100k

C756

Q608
DTC144EUA

1

0.01u

470p

C743

C755

OUT-A

109

IN(-)-A

0.01u

VDD

C751

110

STRB

SPG

OUT-B

111

VDD

1u25

1800p
3

112

22k

T1OUT

16

C736

IN(-)-B IN(+)-A

R707

C2+

270k

4

113

R1IN

10u10

180p

C724
1800p

114

C2-

0.1u

C744

C726

115

R1OUT

RD
L608

47k

47k

DC SW

47k
47k
47k
47k

47k

R718

DATA

R794

R717

OE

SPG
SPG

R798
R803
R805
R807

117
116

C739
180p

SOE

C812
C816

RXO
TXI
TXO

C761

47k

R737
47k

CLK

47k

120k

Q5

R790

R683

TAS

8

118

DXD2

C776

100p
R736

DXD2

12

Q614
DTD123TK

47k
47k
47k
47k
47k
47k

C684

C775

C763
1000p

DL4

119

Q1

C805

4

OUT

Q6

R772
R775
R777
R779
R782
R786

IN(-)

V-

Q2

MIS

C777

C721

9

T1IN

2

3

C720

10u10

0.1u

C758
SDTI

T2OUT

Q7

RXD2

C804
C807

DATA
MB
MO

47k
R743

SDTI

T2IN

TDS
RXD2

C796
C799
C802

MB
MO

DATA
MB
MO

0.1u

SDTO

TXD0

GND
4

CURRENT
CONTROL

C794

DEI
5C

R828

C764

C817

LRCK

Q3

1k

DEI
5C

AF AMP

C825

C806
COM

LRCK

Q8

GND

R773

DEI
5C
DATA

10k

47u25

C801

100p

C795

10u6.3
DEM1

IC620
ADM202EARN

Q607
DTC144EUA

100p
1000p

DEI
5C

10k

470k

R811

COM
COM

0.1u

C786

1u

C781

C703

C706
0.1u

MCLK

Q4

CN603
E40-5887-05
SB
SB

Q613
DTD123TK

DC SW

C790
C792

RXI
GND
MIC

1k

47u25

0.1u

C826

10u6.3

C785

1u

C780

VSS
VSS
VSS

1u

C704

MCLK

VEE

R708

0

4.7k

DEMO

Q’S

8

CURRENT
CONTROL

1.2k
1.2k
1.2k
1.2k
100p

RXI
GND
MIC

RXO
TXI
TXO

SCLK

RS232C
TRANSCEIVER

R2IN

1

R760
R766
R768
R771
C788

RXI
GND
MIC

R820

1000u25

C811
47u25

C797
1000p

8

C762

TXO

SCLK

9
VSS

R2OUT

7

2

0.01u

1000p

TXI

CN601
E40-5701-05

RXI
GND
MIC

10k
R823

1u

ANI

C760

BC3

DATA
MB
MO

10u6.3

22k
R678
100k

VDD

SDTO

R675

R819

0.1u
R818

10k

QS

RXD0

3

120

R832

IN1+

IN13

8
VCC

IN2-

IN2+

6

7
OUT-B

5
R821

C787

AF MUTE SW

9

5

VCC

IN(+)

PWAD

A+IN

C662
10u10

8.2k

2

AF AMP

R758

Q606
DTC363EU

IC622
TC7S66FU

B-IN

10u10

121

1

PWDA

VSS

8

MULTIPLEXER
IC605
BU4053BCF

270p

820k

1000p

SCLK
0

0.01u

C830

R601
PTI

RXO

10u6.3

C771
R680

AINL

6

C753

470p

AOUTL

C852

C752

122

IC610
TA75S01F

AF AMP

AINR

1000p

DL5

123

0.01u

C700

124

R734
47k

150k

1

C829

IC631
TA75W01FU

8
COUNTER

BC4

AC

10u6.3

100p

C770

100p

C767

C685

125

C840

0.01u

C839

R826

820k

VEE

Q12
1

IN1+

3

4

2

Vcc

OUT
GND

VCC
IN

NC

A10

CS0

D7

D6

D5

IC612
TC7S04FU

A10

OE

CE

IO7

IO6

IO5

IO3

IO4
D4

D3

INVERTER

BC1

0.01u

0.01u
10u10

C748

10u10

VCC

C648

126

CLRC

BC2

5
IN(+)

R831

0.01u

C835

LRCK

BCLK

A9

A11

A8

A13

A14

WE

A17

VCC

A18
GND

VEE

127

X601
16.515M
C738
0.01u
R731

22k

R687

RS

DL3

A11

A9

A8

A13

A14

WR

A17

A18

A16

A7

A12

A6

A5

A4

A15
A15

A16
IO2
D2

RD

1

13

3

12

INVERTER

IN1-

13

Q603
DTC114EUA

2

12

8

GND3

DC SW

VCC

B8

GND2

GND3

32

XF

OUT1

GND1

B8

GND2

2

18k

10u10

0.01u

R825

1

DL7

GND1

CLK

17

C832

9

0.1u

B7

16

C834

DL6

A8

IO1

B7

D1

D7

A8

4

4.7k

B6

5
Q612
DTC144EUA

R824

DL5

A7

A7

B6

A12

D6

A7

DL2
HBIL

MCLK

HCNTL0

B5

Q1

B4

A6

CK

A5

R827

GND

A1

DL4

Q2

DL3

B5

CLR

B4

IO0

A6

C833

8.2k
A0

A5

D5

HCNTL1

A0

D4

HRW

Q3

A2

B3

Q9

DL2

A4

DL1

D0

B3

C712
0.01u

1
A6

D3

A4

47k
16

HCSL

Q8

A3

B2

Q4

B1

A3

Q10

A2

Q7

A0

DL0

A1

D2

B2

A1

B1

A3

A5

A2

A2

D1

Q5

G

Q11

A1

R744
39k

16

SFT

Q6

HCS

15p

1
IN/OUT

VCC

C765

VCOM AOUTR

C698

1
C747

R836

A4

G

FLASH ROM
IC609
AT29C020-90TI

VCCB1

A3

C844

0.01u

C639
VSS
8

Q4

Q3

Q2

Q1

A1

STB

RXI

DIR

IC613
TC74VHC4040FT

PTT

D0

VCCA VCCB2

A2

NC
PTO

CLK

1 STRB

14

DATA

IC602
BU4094BCFV

GND

0.1u

9
QS

Q8

Q’S

Q7

Q6

Q5

OE

0.1u

SHIFT
REGISTER

0.1u

C605

C602

1

VDD

16

8C

1

VCCB1

A3

SOE

8C

VCCA VCCB2
DIR

RD

0.01u

AM

24

10u10
C691

AMPSW

24

C646

1

SB
NC

IC606
TC74LVX4245FS

HCS

IC603
TC74LVX4245FS

SB

C735

Q604
2SK1824
DC SW

SB
SB

4

330k

R733

47k

R688

100

R730
C824

0.1u

27p

OUT1

C843

C734

0.1u
IC632
TA75W01FU

BUS TRANSCEIVER

4700p

0

R727

0.01u

47k
R704

IC603,606

NC

100p

C768
0

128

1

C697
10u10

OUT

AF AMP

C727

47k
R705

0
R703

0

0
R699

R701

0.01u
C719

470p

10u10
C714

C716

INTx

CS0

HCS

INTx

STB

WR

RD

DP

CP

RXD0

TXD0

RXD1

TXD1

PTT

EPTT

RS

Q615
DTC144EUA

GND
QS

3

R668

129

MB

GND

R654

IN(-)

130

108

107

106

105

104

103

102

101

100

98

99

97

96

95

94

93

92

91

90

89

10u10

88

C710

87

GND

MO

DET

C643

5

A17

10u10

A18

A19

VSS14

A16

D5

D4

D3

D1

RS

D0

D2

NC15

X2/CLKIN

X1

HD3

CLKOUT

VSS13

HPIENA

CVDD5

NC14

TMS

TCK

TRST

TDI

NC10

DC SW

EMU1/OFF

72

470p

TDO

NC9
C711

86

47k

47k

85

R667

71

R689

84

47k
47k
47k

VSS9
EMU0

R664
R665
R666

VSS15

70

0.01u

C757

VSS

HD1
C709

131

IC608
TA75S01F

IN(+)-B

DVDD5

69
DL1

C769

C766
D6

470p

IC614
AK4550VT

22k

R652

R651

R650

R649

R648

R647

R646

R645

C745

470p

NC1 1

2

3

NC2

DVDD1

VSS1

4

6

7

8

5
A10

HD7

A11

10

11

9

A12

A13

A14

A15

D7
INT3
CVDD4

47k

10u10

C741

0.01u
C742

10u10

47k
R726

C733
12

13
HAS

NC3

0.01u

470p

C731

C732
14

15
NC4

VSS3

CVDD2

16

17
HCS

INT2

C759

CODEC

-t

10k

IC619
TC75W51FU

67

C814

OUT/IN
5

330k

22k
47k

10k

D8

IN

R844
AF AMP

R728
R732

100

R698

D9
INT1

132

DEO

0.01u

R697

66

D10
INT0

DEI

AOUT

65

133

C728

64

10k

134

+V

100

R696

GND
2

2

TH701

1

R695

D11
NMI

REVERSE
CURRENT
PROTECTOR

220k

2

63

3
CONT

MULTIPLEXER

8

100

DL6

3

R694

D12
HBIL

4
5V AVR
3

CURRENT
PROTECTOR

DC SW

100p

R673

135

A-IN

62

C647

136

BOUT

0

D627,628

137

7

R693

HD4
IACK

Q605
DTC114EUA

VOLTAGE REGULATOR

4

61

NAND GATE

IC624-628,630
R690
47k

138

-V

470p

IC630
TA78L05F

5.04V

OUT

139

IC621
TC7S00FU

LA4422

AUDIO AMP

Q609
DTC114EUA

47k

VIN

A+IN

C696

D13
BDX1

140

INVERTER

R745

1

1

B-IN

60

VOUT

142
141

3.3V AVR

4
OUTX

GND

IN

2

IC629

INA

5V AVR

2

B+IN

0.01u

3

3.3A

6

C708

IC626
XC62FP3302P

3.34V

VCC

3

3
OUT

1.20V

2
SPM

1

C782

DL7

HRW

HCSL
0

0

R724

R723

R720
20

21

22

23

24

19
READY

PS

DS

IS

R/W

MSTRB

26

25
IOSTRB

27
XF

MSC

18

47k
28
HOLDA

R702
30

29
IAQ

HOLD

R700
100
32

31
BIO

MP/MC

C718

0.01u
33

34
VSS5

DVDD2

C717
470p
NC5

NC6

36

100

1k

1k

1k

100

100

47k

47k

0

47k

BDX0

0.01u

5.02V

DC SW

Q611
DTC114EUA

5
INB

AM

IC628
TA78L05F

VIN

1

1

IN

2

2

IC616
NJM4558E

A18

A19

CS0

HCS

INTx

STB

WR

BHE

RD

BCLK

HLDA

HOLD

ALE

RDY

DP

CP

RXD0

TXD0

SDAT

SCLK

RXD1

D14

59

TOUT0

SOE

47k
47k
47k

D15

68

SDA
R630
R631

VSS8

SDTI

A16
A17
A18

R663
R614

HD5

57

10u10

83

SDA

SFT
SCL

NC16
CVDD6

82

0

5

HRDY

HD2

R613

SDA

SFT
SCL

Q602
2SK1824

PSW

TMP
SOE

GND

47k
DC SW

0

SCL

HDS1

HD0

CP619
10*4

51
50

R643

TMP

LD2
R612

A2

IC618
320VC5402PGE

55

470p

DL0

HBIL

A17

26

6

BFSX1

58

7

R633

BUP
PSW

WP

DSP

DVDD3

STB
FWD

LD2

VCC

A1

0

4
DC SW

A0

LD2
25

BFSX0

56

CP618
10*4

A16

R641

FWD

0

3

BEEP

R639

R611

47k

Q601
DTC114EUA

CLK

STB

2

BUP

DAT

1k

C695

A12
A13
A14
A15

A15

CP609
100*2

CK

R634
LDT

R627

IO3

CP607
1k*2

0

CP601 1k*2

LD2

0.1u

VSS16

53

10u10

LRCK

C694

A14

TXD1

R610

8

C851

LD1

PTT

LDT

1

LDR

1k

CP606
4.7k*2

0

R626

C693

CP617
10*4

A13

EPTT

R609

IC600
AT24C08A10SI18

ENT

1k

0

LDR

IO3
R837
3.3k

R625

HDS2
CVDD3

A8
A9
A10
A11

A12

R637

0

DAT

DVDD

52

54

A11

RS

R608

CLK

1k

EPT

EEP ROM

ENR

0

VSS7
HINT/TOUT1

A10

R622

0

R624

A0

50

0.01u

51

A9

SFT

LD1

R834

0.01u

CP
R607

TMP

SFT

47k

CP

C616

DP

R606

1k*2

47k

CP600

DAT

3.3k

SC

R616

SC

0

C707

81

CLK

RSSI

R623

BCLKX1

Vcc

R635

RSSI

BUP

1k

ASQ

1k

A8

INT0

L600

ASQ

R621

NMI

A1

49
MCLK

NC13

TMP

GND

1k

A2
BCLKX0

BCLK

CP616
10*4

Vss

A3
BDR1

CLKMD3

0

22p
R615

BUP

R620

HCNTL1
47

80

NC

C635

X600
14.754M

0.01u

47k
C614

R600

DET

47k

HD6

46

0

48

A4
A5
A6
A7

A7

Vcc
R619

R692

79

36

BDR0

HCNTL1
R813
47k

CP615
10*4

A6

A4

45

470p

C750

R710
47k

Xin

IC604
30622M4A-487GP

BFSR1

LRCK
SDT0

C749

143

4700p

Vss

A5

44

A0
A1
A2
A3

A5

CPU

0.1u

XIN

BFSR0

144

R670

Xout

HRW

47k
A4

35

C713
10u10

1k
R656
KEY2
KEY3

D7

KEY1

D6

D5

D4

D3

D2

D1

D0

FWD

RSSI

VLI

ASQ

A3

RESET

A6

43

10u10

3.3V AVR

Q610
2SJ506(S)
DC SW

8.00V

13.10V

470p

13.10V

AMPSW

5V AVR
3

OUT

3

22k

KEY2

KEY3

KEY1

D4
D5
D6
D7
CP612 1k*2

R644

L603

CP611 10*4

1k

CP610 10*4

1k

1k
R642

CP608

R640

L602
AI3

Vref

AVcc

ENR

1k

CLKMD2

XIN

A2

A7
BCLKR1

CLKMD1

C634
22p

4.7k

100p

R602

A1

ENT

BCLKR0
42

EMON

78

0

R629
C638

C629

20

XOUT

CNVss

R662

A8

41
BCLK

1k*2

77

XOUT

Q600
2SK1824

RESET

A0

A9

VSS12

ENR
RESET

DC SW

BYTE

NC17

VSS6

LDR
CP614

NC18

C754

1

VIN

IC625
XC62FP3302P
3.3D

5.06V

1.8V AVR

1

3.32V

IC627
TA78L05F

2

VOUT

CVDD7

DVDD4

MIG

DT

3

1.8C

L607

HCNTL0

76

CP603 100*2

ENT

MIC

STB1

IO6

CNVSS

VLI

EMON

40

75

CNVSS

0

LDR

IO1

39

0

LDT

LDT

IO2

R691
HCNTL0

KEY5

NC12

3

5C

EPR

1.82V
L606

NC8

KEY4

NC11

100*2
R618

IO1

NC7
38

74

KEY5

VLI

0.1u

C623

KEY4

K5

CP620

IO2

37

CP613
1k*2

75
KEY4
KEY5

3.20V

5TONE

VDD OUT 1
GND

47k

73

2

5.00V

KEY3

K4

47k

R661
76

IO4

5.00V

R660

10u10

KEY2

K3

IO5
100

R817

IO4

IC601
RH5VL42C

47k

C644

K2

C613

RXD1

R659

0.01u
C645

R603

KEY1

1k

K1
HK/RXD1

1

VOLTAGE
DETECTOR

SOE

100

SOE
TXD1

DP

XF

L604

FWD

RSSI

VLI

ASQ

1k*2
0.1u

CLK

SOE
PTT/TXD1

1k

STB1

CLK

AVss

STB1

R638

PSW

C641

CP605 1k*2

CP604
1k*2

DAT

PSW

0.01u

DISPLAY UNIT
(X54-3330-21)(A/2)-CN502

DAT

TX-RX UNIT
(X57-695X-XX)(A/2)-CN14

AI1

D0
D1
D2
D3

47k

GND

AI1

GND

NC

CN602
E40-6009-05
NC

BATT

AI3

AI2

STB1

L601

IO6

SOE

33k

R814

BATT

100k

BATT

0.1u

AI2

C600

10u10

SB
GND

IC624
XC62FP1802P
VOUT

R605

C640

1

IO5

AMPSW

R604

CN600
E40-6102-05
SB

AMPSW

4.7k

SURGE
PROTECTOR
D600
DA204U

SB

47k
C791

SB

470p

SB
8C

47k

SB
8C

R754

SB
8C

1000p

SB
8C

1SS355

5.05V

SB
8C

47k

SB
8C

TKR-750
KES-5 (EXTERNAL SPEAKER / 
 !")
When Using an External Speaker




1. Make sure the unit’s power is tuned off.
2. When using the external speaker, remove the jumper lead
from the connector, and attach the speaker cable.
3. When not using the external speaker, replace the jumper
lead and insert the connector into the speaker jack (pin9
and 12).

NK 
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OK 
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PK 
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CK
BA

Jumper lead
跳接导线

Connector
连接器
KES-5

15
12
6

13
1
Black lead
黑色导线

3
Crimp terminal
压接端子
(E23-0613-05)

Speaker cable
扬声器导线

Black/White lead
黑色/白色导线

Specifications


==


Maximum input power ................ 40W






Impedance ................................... 4Ω
Dimensions (W x H x D) .............. 129 x 129 x 77 mm
projection not included
5-1/16 x 5-1/16 x 3 inches
Weight ......................................... 820g / 1.81 lbs

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111

TKR-750
SPECIFICATIONS
GENERAL
Frequency Range ................................ C : 146 to 174MHz

C2 : 136 to 150MHz

Number of Channels ........................... 16 channel
Channel Spacing ................................. Wide : 25kHz

Narrow : 12.5kHz

(PLL channel stepping 5kHz/6.25kHz)
Operating Voltage ............................... 13.6V DC± 15%
Current Drain
Standby .......................................... 0.8A
Standby w/power save .................. 0.3A (Operating mode DC-IN : Backup, FAN : Temp, SAVE : ON, DISP : OFF)
Receive .......................................... 1.2A
Transmit/Receive ........................... Less than 13A
Duty Cycle
Receive .......................................... 100%
Transmit ......................................... 100% (100% @25W)
Frequency Stability ............................. Less than ± 0.0002% –30°C to +60°C (–22°F to +140°F)
Antenna Impedance ........................... 50Ω
Operating Temperature Range ........... –30°C to +60°C (–22°F to +140°F)
Dimensions ......................................... 483 W x 88 H x 340 D mm
Weight ................................................ 9.7kg

RECEIVER (Measured by TIA/EIA-603)
Sensitivity
12dB SINAD ................................... 0.35µV
20dB Quieting ................................ 0.45µV
Selectivity ........................................... Wide : 85dB (± 25kHz)

Narrow : 77dB (12.5kHz)

Intermodulation ................................... Wide : 80dB (± 25kHz/± 50kHz)
Hum and Noise ................................... Wide : 50dB

Narrow : 75dB (± 12.5kHz/± 25kHz)

Narrow : 45dB

Spurious & Image Rejection ............... 90dB
Audio Output (Ext. Speaker) ............... 4W at 4Ω less than 5% distortion
Audio Distortion (Ext. Speaker) .......... Less than 2.5% at 1000Hz
Band Spread ....................................... 3MHz

TRANSMITTER (Measured by TIA/EIA-603)
RF Power Output ................................ 50W adjustable to 25W (100% duty @25W)
Type of Emission ................................ Wide : 16K0F3E

Narrow : 11K0F3E

Spurious Response ............................. Harmonics : 80dB
FM Hum and Noise ............................ Wide : 50dB

Others : 75dB

Narrow : 45dB

Audio Distortion .................................. Less than 3% at 1000Hz
Microphone Impedance ...................... 600Ω
Band Spread ....................................... C : 28MHz

112

C2 : 14MHz

TKR-750














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113

TKR-750

KENWOOD CORPORATION
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan

KENWOOD U.S.A. CORPORATION
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745, U.S.A.

KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8

KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany

KENWOOD ELECTRONICS BELGIUM N.V.
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium

KENWOOD ELECTRONICS FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France

KENWOOD ELECTRONICS U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD18 9EB United Kingdom

KENWOOD ELECTRONICS EUROPE B.V.
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands

KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129 Milano, Italy

KENWOOD IBERICA S.A.
Bolivia, 239-08020 Barcelona, Spain

KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia

KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong

KENWOOD ELECTRONICS SINGAPORE PTE LTD.
1 Ang Mo Kio Street 63, Singapore 569110



---

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.3
Linearized                      : No
Warning                         : Invalid xref table

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