Yaesu Musen VX-510L VHF Handheld Protable User Manual 8

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Document ID	78547
Application ID	JcCIIyH+jU61C8mTlfT3tg==
Document Description	8
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	28.87kB (360828 bits)
Date Submitted	1999-12-28 00:00:00
Date Available	1998-06-25 00:00:00
Creation Date	2001-05-07 17:24:38
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2001-05-07 17:24:40
Document Title	8

K66VX-510L Operating Manualdoc
VX—510 Series
VHF/UHF Hand-Held Portable Land Mobile Transceiver
Operating Manual
The VXv510 is a frequency-synthesized, microprocessor-controlled FM hand portable
transceiver providing up to five watts of power output on up to 32 channels in the VHF
or UHF Land Mobile Bands Designed specifically for commercial and professional
applications, the VX-510 is housed in high-strength die—cast aluminum alloy, sealed to
MIL-810 C, D 8c E intrinsically safe (US) and Weather-tight specifications*,
User selectable features include a four-mode display with channel name or number,
upright or inverted for easy viewing when on your belt; selective channel scanning,
adjustable-pause priority scanning, and transmitter power output.
Other user-selectable features include push-button display illumination, 2-tone
decoder enable/disable (when optional F2D-5 Unit installed) and manual squelch
override The V'X—510 is easily programmed by your dealer using a Yaesu Service Kit
with an IBM PC-compatible computer.
Please read this manual carefully to become familiar with the features ofthe VX-510.
*approval pending
Accessories & Options
F2D-5 Two-Tone Sequential Decoder
FTP-7 DTMF Keypad Tone Generator (16 keys)
FTP-7D DTMF Keypad Tone Generator w/Decoder
F’I‘E-17 Tone Burst Generator
MH» 30A2B Speaker/Microphone
CD-l Desktop Battery Rapid-Charger
PA-14 B 100 - 120 VAC Mains Adapter (used w/CD-l)
IPA-14 C 200 - 234 VAC Mains Adapter (used w/CD-l)
Herical Flex An lenna (suppl ied on! ion)
FVP-22 Encryption Unit
CE-21 Channel Editor Programming Software
FEB-2 Programming Interface Connection Box
SEC-1 Swivel Belt Clip
FNB-29A 7.2 V/l700 mAh Ni-Cd Battery Pack
Controls 8: Connectors
7bp pane]
(1) VOL (OFF) Control
This control adjusts the volume of the receiver, and turns the radio off when rotated
fully counterclockwxse to the click—stop
(2) S/DW Button (Scan/Dual Watch)
Momentarily (< lsecl) pressing this button turns the channel scanner on and oflfi
Pressing and holding (> 1 sec) button activates the Dual Watch feature (explained
later).
(3) A Button
Pressing and holding this more than 2 seconds (but less than 4 seconds) activates
functions as programmed by your dealer and determined by your system requirements
(See “Pm-Programmed Functions”). Pressing and holding this more than 4 seconds
1 YAESU MUSEN Co, Ltd.
K66VX—510L Operating Manual.doc
causes the selected channel to be assigned as the Priority Channel for use with Priority
Scanning and Dual Watch functions (explained later).
(4) B Button
Pressing and holding this more than 2 seconds (but less than 4 seconds) also activates
an assigned function (programmed by your dealer). Pressing and holding this more
than 4 seconds inverts the LCD display to either frontward or backward facing readout
(the backward display is convenient for viewing when wearing the transceiver on your
belt).
(5) BUSY/TX Indicator
This lamp blinks green when a signal is being received (or the squelch is opened by
pressing the MON RES switch) and glows red when transmitting, To avoid interference,
do not transmit if this is green.
(6) CH Rotary Selector
This rotary switch selects the operating channel. If a channel is selected that is not
available for operation, “ - - - - " is displayed, accompanied by a rapid warning beeper (2
beeps/sec).
(7) Antenna Jack
This threaded-type jack accepts the supplied flexible antenna. Any other antenna
types used here must be designed for the programmed operating frequencies.
(8) Liquid Crystal Display
In addition the channel number name, the display includes some operating status
symbols, indicated in the diagram below.
Side Pane] Buttons
(1) MON RES (Monitor/Reset) button
Pressing and holding this button more than 2 seconds (but less than 4 seconds)
disables the tone squelch, and permits monitoring stations transmitting on the
selected channel while still keeping your receiver quiet from noise (“MO’ will appear at
the top right of the LCD). Press it again to only hear calls within your network.
Pressing and holding this button more than 4 seconds toggles the tone and noise
squelch override, allowing all stations (and noise) on the channel to be heard. This may
be used to hear weak stations whose signals would not normally open the squelch to be
heard, Do this to pre-adjust the VOLume control before receiving calls,
(With Selective Calling Option)
When the two—tone sequential decoder unit (F2D-5) is installed, and a selective call has
been received (“CALE' indicator on), momentarily pressing this button will reset the
call function on the current channel and silence the receiver, otherwise press and hold
to reset the call function on ALL channels.
(2) PTT (Push-To-Talk) button
Hold this button in while transmitting (the "BUSY/TX” indicator glows red).
(3) LAMP/LOCK button
Press this button momentarily (<1 sec.) to illuminate the display for five seconds.
Pressing and holding (>1 sec.) the button locks bop-panel push»buttons (S/DW, B, A,
and the DTMF keypad (optional), this can be enabled to prevent radio settings from
2 YAESU MUSEN Co., Ltd.
K66VX-510L Operaling Manuamoc
being disturbed.
(4) Battery Release
Slide this button in the direction of the arrow (upward) for battery removal.
(5) EAR Jack
This provides audio output for an earphone or the optional MH-30A2B External
Speaker/Microphone here, The internal speaker is disabled when a plug is inserted
into this jack.
(6) MIC Jack
Connect the optional MH-30A23 Speaker/Microphone here, the internal microphone is
disabled when this jack is used.
Operation
Preliminaries
If the transceiver has not been used since leaving the factory, fully charge the battery
using CD-l unit (With PA-14B or C) before using it.
Mount the battery on the transceiver as described and shown in the photo below. Also,
install the antenna on the jack on top of the transceiver by screwing the connector into
the jack until it is finger-tight
Battery Removed &Rep]scement
0 Make sure that the VOL control is set into the off click-stop, and remove the
protective soft or hard case, if used.
0 Grasp the transceiver with your left hand, so your palm is over the speaker and
your thumb is on the Battery Release Button.
0 Move the button in the direction indicated by the arrowhead, while using your
right hand to slide the battery pack toward the side with the button. The battery
pack should slide smoothly out of its track.
0 To replace the Ni-Cd pack, repeat the second and third steps above, simply
sliding the battery case in the other direction after aligning the shorter side of the
battery pack with the track below the Battery Release Button.
MminazySteps
Before operating the transceiver for the first time:
0 Charge the battery pack and connect the supplied helical rubber flex antenna
to the antenna jack on the top of the transceiver. Never operate the transceiver
without an antenna connected.
0 If you have a Speaker/Mic, we suggest you do not connect it until you are
familiar with basic operation.
0 Before proceeding, please review the Top & Side Panel Controls outline, if you
have not already, to familiarize yourself with the functions of the controls,
Basic Operation
0 Switch on the transceiver by rotating the VOL control clockwise out of the
click~stop (a momentary beep will sound). For now, adjust the control to about
mid-position (l2-o‘clock), later you can adjust the level to suit the operating
environment.
0 Rotate the CH knob to select a channel for operation, the LCD will show the
currently selected channel. If“ - - - - " is displayed, along with a rapid (2 beeps/sec.)
beeping tone, the selected channel position is not available for operation,
0 To transmit, wait until the channel is clear (“BUSY/TX" LED off), then press in
3 VAESU MUSEN Co, Ltd.
K66VX—510L Operating Manual.doc
the NT switch on the side of the transceiver while speaking across the face of the
radio. A clear normal voice will provide the best quality transmission. For
maximum battery life, select low power output (covered later) whenever possible.
During transmission the “BUSY/TX” indicator glows red. Release the P'I'I' switch
to receive.
0 To receive weak stations better, try positioning the radio as high and far away
from your body as possible, or disable the squelch momentarily by holding the
MON RES button on the side of the radio for > 4 sec. (until the second low/high
beep sounds). With the squelch disabled, the “BUSY/TX“ indicator will blink green
and channel noise and weak stations can be heard, To quiet the radio again, press
the MON RES button again momentarily.
0 When you are done operating, be certain to turn the VOL control to the off
position to conserve battery life.
A11 impartantnote about yourradio /
Some of the radio/button functions discussed next will only operate in your radio if so
programmed by your dealer, or alter the installation of certain internal optional units.
In this way, the radio’s operation can be simplified and customized specifically for the
user according to network requirements. If pressing a button on your radio does not
result in the same function described in this manual, or if you are uncertain of the
functions your particular radio is configured with, contact your dealer. See “Pre-
Programmed F unctfons" .
Law Ba ttery Po WEI“ Indication
When the rechargeable Ni-Cd battery pack voltage reaches a low level, the “Battery"
indicator appears at the lower right corner of the LCD, and the “BUSY/TX” indicator
will blinks red. Immediately remove the Ni-Cd pack and install a freshly charged
battery pack, or insert the radio into the charging stand for a complete recharge cycle.
If you plan to operate your radio for extended periods of time, you may want to keep a
spare, fully-charged pack handy.
5&9th
Scanning allows you to sequentially check for calls on all or only those channels you
select. To start scanning, press the S/DW button momentarily. A beep then sounds and
the display will clear and show “SCAN’. Scanning will pause when a signal is received,
at which time the channel number(or alphanumeric tag) will be displayed. A small "5“
will be displayed above the channel, indicating the scanner is still active, but paused,
During this pause, you can press the NT button and talk to the station. Otherwise,
scanning will resume a few seconds after the signal is no longer present. While
scanning, ifyou momentarily press the NT button, operation automatically shifis to a
default channel. This default channel can be set to the priority channel (both “P’ and
“S/DW‘ are displayed), last-busy channel, or home channel, depending on how your
radio was programmed.
To stop scanning, simply press S/DW momentarily again. Operation will return to the
channel that was last selected when scanning was activated.“ enabled by dealer
programming, you may select only the channels you want to scan, and have others
skipped-over by performing the following routine,
Turn the radio OFF, then depress the S/DW button while turning the radio back ON
again. “PROG' will momentarily appear on the display, after which it will revert to the
currently selected channel (this indicates you are in the programming mode). If user?
access is disabled “INH’ will appear briefly.
4 YAESU MUSEN Co., Ltd.
K66VX-510L Operating Manualdoc
Use the CH knob to select a channel, then press the S/DW button to enable the channel
for scanning (“E’ will appear in the upper left corner of the LCD). Repeat this process
for each channel you want the scanner to check.
'Ib remove a channel from those to be scanned, press S/DW again, so that “E' no longer
appears in the display.
After you have enabled all the channels you want to scan, turn the radio off, then on
again to return to normal operation.
Priority/Scanning
Priority scanning allows you to scan and monitor channels while the receiver
periodically checks for calls on a preselected (“priority") channel. You may want to use
this feature if you want to scan different channels, but don't want to miss a call for you
on a primary dispatch, emergency or tactical frequency. After a call has been received
on the priority channel, operation returns to the programmed default channel scheme,
as mentioned before. Only one channel at a time can be selected as the priority
channel.
0 1h set the currently displayed channel as the priority channel, just press and
hold the A button for 4 sec. A small "P“ will now appear at the top left corner of
the display whenever this channel is selected, along with an accompanying
“beep”.
When a priority channel has been selected, the scanner will check the priority channel
regularly as you scan the other channels. If a signal appears on the priority channel,
the scanner will pause and operation will jump to the priority channell Otherwise, the
scanner will pause on active non-priority signals as previously described.If a call comes
in on a non»priority channel that you need to respond to, just press the PTT button
while the scanner is paused on that channel. As long as no call comes in on the priority
channel, you can send and receive on the other channel: scanning will resume when
you finish and the channel clears.
Dua] Watch
If you need to operate on a non-priority channel while still checking for calls on the
priority channel, the Dual Watch feature let's you to do this without using the scanner.
When enabled, operation on any selected non-priority remains normal as before,
however, when a signal is received on the priority channel or when you press the P'I'I'
button, operation immediately shifts to the priority channel. The rate at which the
Dual Watch feature samples the priority channel can be set by the user,
0 To begin Dual Watch operation, first assign a priority channel as described
before, then select the non-priority channel you wish to operate on.
0 Press and hold the S/DW button until the second beep sounds, “DW’ (but not
“S") will appear at the top ofthe display.
0 Th manually shift to the priority channel, press the P'IT button. At this time
you make transmit, otherwise, if no signal is received within 2 seconds, operation
will revert back to the other selected Dual Watch channel.
0 To turn off the Dual Watch Feature, press and hold the S/DW button again
(“DW’ will disappear in the display).
5 YAESU MUSEN CO.. Ltd.
K66VX-510L Alignmentdoc
VX-SIOL Alignment
The VX—SlD has been carefully aligned at the factory for the specified performance across the frequency
range specified for each version. Re-alignment should therefore not be necessary except in the event of
component failure, or altering version type. All component replacement and service should only be performed by
an authorized Yaesu representative, or the warranty policy may be void.
Required Test Equipment
' IBM PC / compatible computer
- Yaesu VPL—l Cable, or FRB-2 Service Kit, with CE-21 Channel Programming Diskette
' Yaesu CN-l BNC Adapter plug
' RF Signal Generator with calibrated output level at 60 MHz
' Deviation Meter (Linear Detector)
' Oscilloscope
' AC Voltmeter
' SlNAD Meter
' ln-Line wattmeter with 5% accuracy at 60 MHz
' Regulated DC Supply adjustable from 4 to 10 V, 3 A
' 50>!) Non»reactive Dummy Load: 10 W at 60 MHz
' Frequency Counter: $0.2 ppm accuracy at 60 MHz
' AF Signal Generator
' DC Voltmeter: high impedance
Before beginning alignment, connect the transceiver and PC using the VPL-l Cable or FRB»2 Set as
described in the EEPROM Programming chapter, and download the EEPROM data from the transceiver to the
computert
Then store this data in a disk file so that it can be tip-loaded when alignment is finished.
You should find the corresponding data file on the computer disk for the transceiver version you are
aligning, containing channel settings for the high edge, middle and low edge of the transceiver's frequency range
in channels 1, 2 and 3, respectively. Up-load this file to the transceiver.
I’LL & Msmifler
Set up the test equipment as shown for transmitter alignment. Adjust the supply voltage to 7.2 V for all
steps where not specified otherwise.
DOW BAND BAND CENTER HIGH BAND
EDGE CH. (1) CH, (2) EDGE CH. (3)
ver. A 29.7 MHZ 33.9 MHz 380 MHZ
ver. B 38.0 MHz 44.0 MHz 50.0 MHz
PLL VCV(Varactor Control Voltage)
' Connect the DC voltmeter between C2105 on the PLL Unit and chassis ground.
' Set the transceiver to CH 3 (high band edge), and adjust 12402 on the VCO Unit for 3.4 V t 0.1 V (ver. A), or
4.0 V x 0.1 V (ver. B) on the voltmeter.
' Transmit on the high band edge, and adjust T2401 for 3.0 V 1 0.1 V (ver. A), or 3.2 V t 0.1 V (ver. B).
' Set the transceiver to HC 1 (low band edge), and confirm the low—end VCV is more than 1.0 V while
transmitting, and also while receiving.
PLL Reference Frequency
' With CH 2 (band center) selected, key the transmitter and adjust TC2101 on the PLL Unit, if necessary, so the
frequency counter displays the band center frequency 3 150 Hz (for the version being aligned) when
transmitting.
Transmitter Output Power
' Set the transceiver to band center CH 2, and select high power output.
1 Yaesu Musen Co., Ltd.
K66VX—510L Circuit Descriptiondoc
VX-510L Circuit Description
Refer to the block diagram when reading this description. For finer details, refer to the
schematic diagrams.
Receiver
In coming signals at the antenna are passed through a low pass filter and T/R switching diode on
the ANT-SW Unit before delivery to the frontend circuitry on the mother board. Here, RF amplifier
FET 03201 (ZSKSOZY) boosts the signal prior to filtering by a 3-stage varactor—tuned resonator,
and application to the first mixer FET 03202 (SGMZOTGAM) along with the first local sigtal from
Local Amplifier 02402 (2804226) on the VCO Unit.
The 1619 MHz product from the first mixer is delivered through 4-pole monolithic crystal filter
XF3201 (t 7.5 kHz BW) to strip away all but the desired signal which is amplified by 03203
(2802714Y) on the mother board. FM receiver subsystem [C 02302 (M03372D) on the IF Unit
includes local oscillator, mixer, IF limiter amplifier and FM detector circuits. The amplified first IF
signal is applied to mixer section, along with the second local signal generated via 17.355 MHz
crystal X2301 which produces the 455 kHz 2nd IF when mixed with the lst IF signal within 023021
The 2nd IF passes through ceramic filter CP2301 (17.5 kHz BW) to strip away unwanted mixer
products, and is then applied to the limiter amp in 02302, which remove amplitude variations in the
455 kHz IF before detection of the speech by 02302 via quadrature resonator CD230L
Detected audio is delivered to the CFCSS IC 01001 (FXSGSCLS) and then passes through the
de-emphasis circuitry consisting of R1033 & C1015, via muting gate 01011 (28K1607K6) and
volume control to audio power amplifier 02206 (TDA2822D) on the regulator unit, providing up to
0.5 W to the external speaker jack or 16-52 loudspeakerr
Squeleh Control
The squelch control circuit consists of noise amplifier 02301 (2SC4l1GGR) and band—pass
filter and squelch trigger within 02302 on the IF Unit, and control circuitry within microprocessor
01017 (M38063M6) on the control unit.
When no carrier is received, noise at the output of the detector in 02302 is amplified by 02301,
and band-pass filtered by the noise amplifier section of 02302 and then rectified by D2302 to
provide a DC control voltage for the squelch switching transistor 02303 (28A1586Y). With no
carrier, the emitter of 02303 is high. The signal is buffered by 01013. This SCAN STOP signal is
delivered to the microprocessor on the Control Unit, and microprocessor controlled through 01003
(FMGS) to the BUSY indicator on the top panel, which remains off until a carrier is received. The
microprocessor causes audio mute gate 02207 (DTC‘l 44EU) & 02202 (25811228) to open the
audio power amplifier power source, thus disabling the audio amplifier and silencing the receiver
when no signal is being received, and during transmission. When a carrier appears at the
discriminator, noise is removed from the output, causing the emitter of 02303 to go low, then 01017
controls the signal high, which in turn causes 01003 to turn on the BUSY indicator. The
microprocessor then checks for CI'CSS tone information from 01001, plus Digital Code Squelch
information form 01006 (TA755393F). If not transmitting and no tone squelch is programmed for
the channel, or if the received tone matches that programmed for the channel, the microprocessor
switches 02207 to allow operation of the audio power amplifier.
Transmitter
When the PTI‘ switch is depressed, audio from the microphone is delivered to the Control Unit,
where it is high-pass filtered by 01018 (2SC4116GF1), and by one section of microphone audio
processing dual op-amp [C 01008 (NJM2904V). After pre—emphasis by C1074 and R1030, another
section of 01008 serves as an IDC (Instantaneous Deviation Control) amplifier to prevent over—
deviation from excessive microphone levels, and the two remaining states provide low-pass filtering
to suppress out-of—band modulation, and buffering.
Processed audio from the IDC Unit is delivered to VCO Amplifier Unit where it is applied,
1 Yaesu Musen Cot, Ltd.
K66VX-510L Circuit Descriptiondoe
along with carefully filtered DC from 02403 (2801116), to varactor diode D2402 (1T362) to
modulate (via the SAVE 5V line) VCO 02401 (2804226), on the VCO Unit, which oscillates at
the transmit frequency. VCO output is buffered and amplified by 02402 on the VCO Amplifier Unit
before returning to the Main Unit. Buffered, modulated VCO output is applied via T/R switch
D3208 to driver 03206 (ZSCSSSB), and transmit signal is delivered to the PA Unit for amplification
by 06001 (2304240)
Transmitter output is controlled by 02001 (2381182F5-Q) and 02002 (FMW1) on the ANT
SW Unit. When the TX +B line (from the regulator Unit) is active, bias voltage and driver collector
voltage is applied to the PA Unit 02003 and 02004, turning it on. A sample of the final transistor
collector current in the PA Unit is detected by D200] (138319), passed through RF Power
potentiometer VR3201 on the Main Unit back to APC switch 02001 (2SB1182F5-Q) via one half
of 02002 (FMW1) on the ANT SW Unitt 02002 passes the Automatic Power Control voltage when
enabled by the other (transmit sequencer) half of 02002. This circuit is also used by the PLL to
disable the transmitter when the PLL is unlocked, and by the microprocessor to select low power
output.
PLL
PLL circuitry on the PLL Unit consists of PLL subsystem [C 02105 (MBiSOSPF), which
contains a divider, serial—to-parallel data latch, programmable divider and a phase comparator.
Stability is obtained by a regulated 5—V supply via 02105 and temperature compensating capacitors
associated with 12.8 MHz frequency reference crystal X2101.
Receiver VCO 02404 (25C4226) on the VCO Unit oscillates between 54.9 and 66.9 MHz
according to the programmed receiving frequency. The VCO output is buffered by 02402
(2302759) on the VCO Unit, and then returned to the PLL Unit. There the VCO signal is divided
by 64 or 65, according to a control signal fmm the data latch section of 02105, before being applied
to the programmable divider section of the PLL chip.
The data latch section of 02105 also receives serial dividing data from microprocessor 01017
on the Control Unit, which causes the pre divided VCO signal to be further divided by 10,980 ~
13,380 in the programmable divider section, depending upon the desired receive frequency, so as to
produce a 5-kHz derivative of the VCO frequency. Meanwhile, the reference divider section of
02105 divides the 12.8-MHz crystal reference by 2560 to produce the 5-kHz loop reference
(respectively).
The 5-kHz signal from the programmable divider (derived from the VCO) and that derived from
the crystal are applied to the phase detector section of 02105, which produces a dual S-V pulsed
output with pulse duration depending on the phase difference between the input signals. This pulse
train is converted to DC by charge pump 02102 (IMDS), low-pass filtered, then fed back to
varactors D2403 and D2404 (HVU306Ax2) on the VCO Unit.
Changes in the level of the DC voltage applied to D2403/D2404 affect the reactance in the tank
circuit of VCO 02404, changing the oscillating frequency according to the phase difference between
the signals derived from the VCO and the crystal reference oscillator. The VCO is thus phase-locked
to the crystal reference oscillator.
The output of receiver VCO 02404, after buffering by 02402 is delivered to the Main Unit
before application to the lst mixer, as described previously.
Transmitter VCO 02401 (2304226) oscillates between 38 and 50 MHz according to the
programmed transmit frequency. The remainder of the PLL circuitry is shared with the receiver.
However, the dividing data from the microprocessor is such that the VCO frequency is at the actual
transmit frequency (rather than offset for IFs, as in the receiving case). Also, the transmitter VCO is
modulated by the filtered speech audio applied to modulating varactor D2402, as described
previously. If the Digital Coded Squelch option is installed, DCS modulation is applied both to the
VCO and to the PLL frequency reference, via varactor D2102/D2103 (HVU300Ax2).
Control Unit & Supply Bus
Microprocessor 01017 (M38063M6GP) on the Control Unit contains programming in masked
ROM to generate serial data to control the Liquid Crystal Display driver IC 05001 (LC75821 E) on
2 Yaesu Musen Co., Ltd.
KSGVX-St 0L Circuit Description.doc
the [ED Unit and the programmable divider in the PLL according to channel frequency data stored
in externally programmable EEPROM. 01017 also includes programming for channel frequency
scanning. DCS encode/decode, CTCSS IC Control, option unit control, selectable channel steps and
frequency range. The microprocessor receives an indication of the condition of the noise squelch
from the FM subsystem [C on the IF Unit, by which scanning is activated or deactivated. Q1017 also
controls the power saver function and transmit/receive switching by selecting the supply buses on
the Regulator Unit 02209 (DTB123EK), 02205 (DTA143XK) and 02210 (DTC144EU) disables
the RX 5V bus when the power saver is active.
When the FTP switch is pressed, the impedance change on the microphone line is detected by
01015 (ZSA1586Y) on the Control Unit, which signals the microprocessor that the transmitter is
active The microprocessor then activates LED indicator DSODl to glow red (TX) Voltage
comparator 01012 (RNSVL45AA) controls power-up resetting of the microprocessor.
3 Yaesu Musen Cor. Ltd.

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