Sony Car Stereo System Xr C6100 Users Manual

XR-C6100 to the manual 3b6c5534-a039-485d-986b-7ee83f1b3aab

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XR-C6100
SERVICE MANUAL

Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation.

Saudi Arabia Model

Model Name Using Similar Mechanism
Tape Transport Mechanism Type

NEW
MG-25F-136

SPECIFICATIONS

– Continued on next page –

FM/MW/SW CASSETTE CAR STEREO
MICROFILM

SECTION 6
DIAGRAMS
6-1. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC501 µPD78058GC-F58-3B9 (SYSTEM CONTROLLER)
Pin No.

Pin Name

I/O

Function

1

DSEL

I

Destination setting terminal Frequency select switch (S502) input in this set
“L”: MW 9k step or FM 50k step, “H”: MW 10k step or FM 200k step

2

RC IN0

I

Rotary remote commander shift key A/D input terminal

3

SD IN

I

Station detector detect input from the FM/AM tuner unit (TU1)
Stop level for SEEK, BTM, etc. is determined SD is present at input of “H”

4

AVSS

—

Ground terminal (for A/D converter)

5

ST

I/O

Input of FM stereo detection signal from FM/AM tuner unit (TU1), and output of forced
monaural control signal to FM/AM tuner unit (TU1) (Commonly used for stereo display input
and forced monaural output)
FM stereo detection at input of “L”, forced monaural at output of “L”

6

PLLCE

O

PLL serial chip enable output to the FM/AM PLL (IC1)

7

AVREF1

I

Reference voltage (+5V) input terminal (for D/A converter)

8

PLLSI

I

PLL serial data input from the FM/AM PLL (IC1)

9

PLLSO

O

PLL serial data output to the FM/AM PLL (IC1)

10

PLLCKO

O

PLL serial data transfer clock signal output to the FM/AM PLL (IC1)

11

P-STIN

I

Polar stereo signal input terminal Not used (fixed at “H”)

12

LCDSO

O

Serial data output to the liquid crystal display driver (IC901)

13

LCDCKO

O

Serial data transfer clock signal output to the liquid crystal display driver (IC901)

14

LCDCE

O

Chip enable output to the liquid crystal display driver (IC901)

15

LCDINH

O

Blank indicate control signal output to the liquid crystal display driver (IC901)
“L”: no display

16

UNISI

I

Serial data input from the bus interface (IC701) (for SONY bus)

17

UNISO

O

Serial data output to the bus interface (IC701) (for SONY bus)

18

UNICKI

I

Serial data reading clock signal input terminal (for SONY bus)

19

UNICKO

O

Serial data transfer clock signal output to the bus interface (IC701) (for SONY bus)

20

BUSON

O

Bus on/off control signal output to the bus interface (IC701) (for SONY bus) “L”: bus on

21

SYSRST

O

Reset signal output to the bus interface (IC701) (for SONY bus) “L”: reset

22

AMPON

O

Standby control signal output to the power amplifier (IC611) “L”: standby

23

AMP MUT

O

Muting control signal output to the power amplifier (IC611) “L”: muting on

24

TUNON

O

Tuner system power supply on/off control signal output to the BA3918 (IC671) “H”: tuner on

25

FM ON

O

FM system power supply on/off control signal output to the BA3918 (IC671) “H”: FM on

26

PW ON

O

Main system power supply on/off control signal output to the BA3918 (IC671) “H”: power on

27

COLOR

I

Input terminal to set whether the illumination color change function is present or not
“L”: illumination color change function is present (fixed at “L” in this set)

28

AMSON

O

Tape auto music sensor control signal output to the CXA2510AQ (IC301)
“L” is output to lower the gain for audio level at FF/REW

29

REL

I

Reel table rotation detect signal input from the take-up and supply reel sensor

30

MTLIN

I

Input terminal to set whether the auto metal function is present or not
“L”: auto metal function is present Not used this function in this set (fixed at “H”)

31

POS3

I

32

POS2

I

33

GND

—

34

POS0

I

35

POS1

I

36

LM LOD

O

Tape position detect input from the tape operation switch on the mechanism block
Ground terminal
Tape position detect input from the tape operation switch on the mechanism block
Loading/tape operation motor control signal output to the LB1638M (IC361)
(For the loading direction and forward side operation) *1

– 17 –

Pin No.

Pin Name

I/O

Function

37

LM EJ

O

Loading/tape operation motor control signal output to the LB1638M (IC361)
(For the eject direction and reverse side operation) *1

38

N/R OUT

O

Forward/reverse direction control signal output to the CXA2510AQ (IC301)
“L: forward direction, “H”: reverse direction

39

P.ON

O

Polar stereo detection signal output terminal “H”: polar stereo Not used (open)

40

CM ON

O

Capstan/reel motor (M901) drive signal output terminal “H”: motor on

41

TAPEON

O

Tape system power supply on/off control signal output terminal “H”: tape on

42

COLSEL

I

Setting terminal for the illumination color “L”: amber, “H”: green (fixed at “H”)

43

RC IN1

I

Rotary remote commander shift key A/D input terminal

44

TEST

I

Setting terminal for the test mode “L”: test mode (normally fixed at “H”)

45

ILL ON

O

Power supply on/off control signal output terminal at the illumination and liquid crystal display
driver (IC901) “H”: power on
At power select switch (S501) on mode: “H” output at the accessory on
At power select switch (S501) off mode: “H” output at the power on

46

BEEP

O

Beep sound signal output terminal

47

MUT

O

Line muting control signal output terminal “H”: line muting on

48

VOLCE

O

Chip enable signal output to the electrical volume (IC161)

49

SUBCE

O

Chip enable signal output terminal Not used in this set (open)

50

VOLCKO

O

Serial data transfer clock signal output to the electrical volume (IC161)

51

SUBCKO

O

Serial data transfer clock signal output terminal Not used in this set (open)

52

VOLSO

O

Serial data output to the electrical volume (IC161)

53

TAPMUT

O

Tape muting on/off control signal output to the CXA2510AQ (IC301) “H”: tape muting on

I/O

Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function (“L” input: valid)
At normal mode: dolby on/off control signal output to the CXA2510AQ (IC301)
“H”: dolby on
Dolby B/C selection control in/out terminal
At initial mode: dolby B only/dolby B and C type selection input (“L” input: dolby B and C)
At normal mode: dolby type selection signal output “L”: dolby B, “H”: dolby C
Not used this function (fixed at “H”)

54

DOLON

55

DOLBC

I/O

56

AMSIN

I

Whether a music is present or not from CXA2510AQ (IC301) is detected at auto music sensor
“L”: music is present, “H”: music is not present

57

MTLSEL

I/O

METAL control in/out terminal
At initial mode: auto/manual mode selection input of METAL function “L”: manual mode
At manual mode: METAL on/off control signal output to the CXA2510AQ (IC301)
“H”: METAL on
At auto mode: input at MTLIN (pin #º)

58

AD ON

O

Power supply on/off control signal output for the A/D converter “L”: power on

59

RAMBU

I

Internal RAM reset detection signal input from the RN5VD23AA (IC651)
Input terminal to check that RAM data are not destroyed due to low voltage
This checking is made within 100 msec after reset

60

RESET

I

System reset signal input from the reset signal generator (IC652) and reset switch (S503)
“L” is input for several 100 msec after power on, then it changes to “H”

61

SIRCS

I

Sircs signal input from the remote control receiver (IC902)

62

BU IN

I

Battery detect signal input terminal “H”: battery on

63

PW SEL

I

Power select switch (S501) input terminal “L”: off (halt mode), “H”: on (operation mode)

64

ACCIN

I

Accessory detect signal input terminal “L”: accessory on

65

NOSESW

I

Detects the removal of the attaching and removing type front panel block “L”: attaching

66

TELMUT

I

Telephone muting signal input terminal At input of “L”, the signal is attenuated by –20 dB

– 18 –

Pin No.

Pin Name

I/O

Function

67

KEYACK

I

68

VDD

—

Power supply terminal (+5V)

69

X OUT

O

Main system clock output terminal (5 MHz)

70

X IN

I

Main system clock input terminal (5 MHz)

71

GND

—

72

XT OUT

O

Sub system clock output terminal (32.768 kHz)

73

XT IN

I

Sub system clock input terminal (32.768 kHz)

74

AVDD

—

75

AVREF0

I

Reference voltage input terminal (+5V) (for A/D converter)

76

KEYIN0

I

Key input terminal (A/D input)
OFF, SOURCE, MODE *, SEEK AMS + + ), SEEK AMS = 0 –, VOLUME –,
SEL, VOLUME +, DSPL, ATT keys input (LSW901 to LSW910)

77

KEYIN1

I

Key input terminal (A/D input)
6, INTRO 1, REPEAT 2, SHUF/a 3, BL SKIP 6, ATA 5, BANK/MTL 4, BTM LCL, FILE,
PRESET DISC +/– keys input (LSW921 to LSW931)

78

D-BASS

I

D-BASS switch (SW951) input (A/D input)

Input of acknowledge signal for the key entry Acknowledge signal is input to accept function
and eject keys in the power off status On at input of “H”

Ground terminal

Power supply terminal (+5V) (for A/D converter)

79

VSM

I

FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1)

80

KEYSEL

I

Setting terminal for the key (fixed at “L”)

*1 loading/tape operation motor control
MODE

STOP

LOADING/
FORWARD

EJECT/
REVERSE

BRAKE

LM LOD (pin #§)

“L”

“H”

“L”

“H”

LM EJ (pin #¶)

“L”

“L”

“H”

“H”

TERMINAL

– 19 –

XR-C6100
6-4. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 31 and 32 for IC Block Diagrams.

– 23 –

– 24 –

XR-C6100
6-5. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 32 for IC Block Diagramas.

• Waveforms
1 IC1 1 (XO)

4.2 Vp-p

7.2 MHz

2 IC501 ^ª (XOUT)

4.6 Vp-p

5 MHz

3 IC501 &™ (XT_OUT)

5 Vp-p

32.768 kHz

– 25 –

– 26 –

XR-C6100
6-7. SCHEMATIC DIAGRAM – PANEL Section –

– 29 –

– 30 –

• IC Block Diagrams
– MAIN BOARD –

29

28 27

26

25

24

23 22 21

120µ/
70µ

MSSW

TCH1

30

NC

LINEOUT1

19 PD1

NR
T2

+ –

18 VDD

OFF/B

20 MSMODE

– +
PBFB1 31
PBRIN1 32
17 FMIN

X1

TAPE EQ

16 AMIN

VCT 35
PBGND 36

VCT

PRESCALLER

14 MSOUT

PBFIN2 37
15 P2

PBREF2 38

14 IF1

PBRIN2 39
PBFB2 40

F3

F1

IF COUNT
CONTROL

12 MSTC
+ –
T1
120µ/
70µ

IC361

LINEOUT2

TCH2

LB1638M

IC611

LS2
LS3

LSOUT

28 27 26

25 24

23

+
–

10 N.C.

DRIVER

IN1 2

–
+

–
+

22 LFIN
+
–

21 LFOUT

+
–

20 LROUT

VCC 3

–
+

DRIVER

DRIVER

DRIVER

9 OUT1
8 VS
7 OUT2

IN2 4
GND 5

+
–

TDA7384

1 2 3 4 5

6

7 8 9 10 11 12 13 14 15 16 17 18 19

OUT1–
GND
OUT1+
SVR
IN1
IN2
S-GND
IN4
IN3
AC-GND
OUT3+
GND
OUT3–

LTOUT
LSIN
LS1

29

NC
PLAY

8 9 10

VCC

LT3

31 30

34
35
36
37
38

7

TAB
GND
OUT2–
STNBY
OUT2+

LT1
LT2

32

–
+

LSELO
L4
L3
L2
L1

6

CONTROL LOGIC

LCOM

33

+
–

4 5

GND 1

LC75373ED
LVRIN

IC161

3

MSLPF

11 PD2

NR

VCC

2

11 FF

OFF/B

TAPEIN2
AUXIN2

12 SD

1

PBOUT2

13 IF2

20BIT COUNT

PBEQ2

P4 10

13 DGND

X1

P1 8

P3 9

+
–

– +

SHIFT
REGISTER
LATCH

LPF

16 NRSW

MS ON/ 15 NC
OFF
DETECT

VCC
+

P0 7

NR
MODE

FWD/RVS

MAIN
COUNT

CD 6

18 TAPESW
17 INSW

F2

PBFIN1 34

DA 5

19 DRSW

TAPE/AUX

PBREF1 33

CK 4

MS
MODE

6 N.C.

20

21 22 23 24 25

OUT4+
MUTE
OUT4–
GND
N.C.

I/O
CONTROL

CE 3

NR BIAS

VCC

PHASE
DETECT

DIREF

XIN 2

AUXIN1

REFERENCE
DIVIDER

TAPEIN1

20 VSS

XOUT 1

GND

CXA2510AQ-T4
PBOUT1

IC301

BU2624F-E2

PBEQ1

IC1

19 VREF

+
–

–
+
–
+
+
–

CE
DI
CL
VSS
14 RROUT

IC671

BA3918-V2

IC701

REGULATOR
13 RFOUT

1

2 3 4

5

6

7

8

9

10

11

12
GND

RT3

RTOUT
RSIN
RS1

RS2
RS3

RSOUT

–
+

FM

RT1
RT2

– 31 –

OVER VOLTAGE
PROTECT

AM

11

ANT

9 10

COM

6 7 8

VCC

5

VDD

3 4

AMP

2

NC

1

RCOM

12 RFIN

RVRIN

–
+

18
17
16
15

MODE2
MODE1
STB

+
–

–
+

CONTROL

+
–

40
41
42
43
44

LATCH

+
–

–
+

R1
R2
R3
R4
RSELO

DECODER

–
+

SHIFT
REGISTER

+
–

VDD 39

– 32 –

BA8270F-E2

BUS ON 1

BUS ON
SWITCH

RST 2

RESET
SWITCH

BATT 3

BATTERY
SWITCH

CLK 4
VREF 5
DATA 6
GND 7

14 VCC

13
12
11
10

RST
BUS ON
CLK IN
BU IN

9 DATA IN
8 DATA OUT



---

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