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– 13 –

6. Remove the lead wire connected in step1.

This gain has a margin, so even if it is slightly off. There is no prob-
lem.
Therefore, do not perform, this adjustment.
Please note that it should be fixed to mechanical center position
when you moved and do not know original position.

[BD BOARD] — Component side —

FOK

RF

RV101

RV103

RV102

TE1

FEO

TEO

VC

FE1

GND

IC104

IC102

IC101

[MAIN BOARD] — Conductor side —

1

4

5

10

11

15

23

20

IC101

IC301

SEP (W)

: FM Stereo Separation

Adjustment

AM TUN (W)

: AM Tuned Level

FM TUN (W)

: FM Tuned Level
  Adjustment

  Adjustment

TB101

A

B

0 V

specified value: 

level: 300 

±

 100 mVp-p

×

 100 = less  than 

±

 7%

A-B

2 (A+B)

•
• 

A+B = 300 

±

 100 mVp-p

Traverse waveform

– 38 –

1

7G

2

6G

3

5G

4

4G

O

LCD drive

5

3G

6

2G

7

1G

8

VDD

–

Power supply (+5 V)

9

CD CLOCK

O

CD serial clock output

10

CD DATA

O

CD serial data output

11

SENSE

I

SENS input from DSP (CXD2507AQ)

12

XLT

O

Latch output to DSP (CXD2507AQ)

13

PRGL

O

Latch output to D/A converter (PCM710µ)

14

SQCLK

O

Sub-code Q data scanning clock output

15

–

–

Not used (OPEN)

16

SUB Q

I

Sub-code Q data serial input

17

RESET

–

System reset

18

BACK UP

I

Back up mode input terminal

19

MD/TC

I

MD/TC select data input terminal

20

A/D GND

–

A/D converter Ground terminal

21

FCS SW

O

Focus gain select data output

22

LOAD OUT

O

Loading motor (M903) load out output

23

LOAD IN

O

Loading motor (M903) load in output

24

ADJ

I

CD test mode input

“L”: Test mode

25

IN/OUT SW

I

CD tray loading IN/OUT switch input

26

VERSION

I

Model select input

27

KEY IN

I

CD control key input

28

KEY IN

I

Amplifier control key input

29

A/DVDD

–

A/D converter power supply (connect to VDD)

30

AVREF

–

A/D converter refernce voltage input

31

XT1

–

Sub system clock (32.768kHz)

32

XT2

–

Sub system clock (32.768kHz)

33

GND

–

Ground

34

X1

–

Main system clock (5MHz)

35

X2

–

Main system clock (5MHz)

36

STD OUT

O

Data output to LC72130

37

STD IN

I

Data input from LC72130

38

ST CLK

O

Clock output to LC72130

39

ST CE

O

Latch output to LC72130

40

DATA

O

Data output to TC9210 (Electrical volume) and BU2092 (Serial/Parallel)

Pin No.

Pin Name

I/O

Function

– 39 –

41

CLOCK

O

Clock output to TC9210 (Electrical volume) and BU2092 (Serial/Parallel)

42

S-P LATCH

O

Latch output to BU2092

43

VOL LATCH

O

Latch output to TC9210

44

SCOR

I

Sub-code sync SO + SI detection input

45

SIRCS

I

SIRCS code input from remote commander

46

AUB OUT

O

Audio Bus output

47

AUB IN

I

Audio Bus input

48

GND

–

Ground

49

TUNED

I

FM/AM tuning identification

50

STEREO

I

FM stereo identification

51

MUTE

O

Mute output

52

VDD

–

Power supply (+5 V)

53

PLAY LED

O

PLAY LED output

54

P24

55

P22

56

P21, 23

57

P20

58

P19

59

P18

60

P17

61

P16

62

P15

O

LCD drive

63

P14

64

P13

65

P12

66

P11

67

P10

68

P9

69

P8

70

P7

71

–24V

–

LCD drive –24 V power supply

72

P6

73

P5

74

P4

O

LCD drive

75

P3

76

P2

77

P1

78

PAUSE LED

O

PAUSE LED output

79

9G

O

LCD drive

80

8G

Pin No.

Pin Name

I/O

Function

– 40 –

•

-XX and -X mean standardized parts, so they
may have some difference from the original
one.

•

Color Indication of Appearrance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)

↑

↑

Parts Color

Cabinet's Color

•

Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.

•

The mechanical parts with no reference num-
ber in the exploded views are not supplied.

•

Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.

•

Abbreviation
CND : Canadian

HK : Hong Kong

JE

: Tourist

MY

: Malaysia

SP : Singapore

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

X-4946-207-1 PANEL SUB ASSY, FRONT

(US, CND, E, HK, SP, MY, JE) (SILVER)

1

X-4947-698-1 PANEL SUB ASSY, FRONT (HK) (GOLD)

2

3-704-366-61 SCREW (CASE)

3

4-975-343-02 PANEL (AL), FRONT

(US, CND, E, HK, SP, MY, JE) (SILVER)

3

4-975-343-11 PANEL (AL), FRONT (HK) (GOLD)

4

4-975-365-01 SCREW (ALUMINUM)

5

4-975-346-01 INDICATOR (PLAY)

6

4-975-345-01 PLATE (WINDOW), INDICATION

7

1-775-731-11 WIRE (FLAT TYPE) (7 CORE)

8

4-951-620-01 SCREW (2.6X8), +BVTP

9

1-775-732-11 WIRE (FLAT TYPE) (13 CORE)

10

4-975-351-01 BUTTON (POWER)

(US, CND, E, HK, SP, MY, JE) (SILVER)

10

4-975-351-11 BUTTON (POWER) (HK) (GOLD)

11

4-975-355-01 BUTTON (PLAY)

(US, CND, E, HK, SP, MY, JE) (SILVER)

11

4-975-355-11 BUTTON (PLAY) (HK) (GOLD)

The components identified by mark
! or dotted line with mark ! are

critical for safety.
Replace only with part number
specified.

Les composants identifiés par une
marque 

! sont critiquens pour la

sécurité.
Ne les remplacer que par une pièce
portant le neméro spécifié.

12

1-775-733-11 WIRE (FLAT TYPE) (15 CORE)

13

4-942-636-21 EMBLEM (NO. 3.5), SONY

(US, CND, E, HK, SP, MY, JE) (SILVER)

13

4-942-636-31 EMBLEM (NO. 3.5), SONY (HK) (GOLD)

* 15

A-4378-477-A DISPLAY BOARD, COMPLETE (E)

* 15

A-4378-886-A DISPLAY BOARD, COMPLETE (D11)

* 15

A-4378-911-A DISPLAY BOARD, COMPLETE (T11: HK, SP, MY)

* 15

A-4390-139-A DISPLAY BOARD, COMPLETE (US, CND)

* 15

A-4392-535-A DISPLAY BOARD, COMPLETE (JE)

16

4-975-358-11 CASE (US, CND, E, HK, SP, MY, JE) (SILVER)

16

4-975-358-51 CASE (HK) (GOLD)

17

4-975-352-01 BUTTON (VOLUME)

(US, CND, E, HK, SP, MY, JE) (SILVER)

17

4-975-352-11 BUTTON (VOLUME) (HK) (GOLD)

* 18

1-657-286-11 PANEL BOARD (US, CND)

* 18

1-659-288-11 PANEL BOARD (EXCEPT US, CND)

19

X-4946-431-1 DOOR ASSY

(US, CND, E, HK, SP, MY, JE) (SILVER)

19

X-4947-699-1 DOOR ASSY (HK) (GOLD)

#2

#2

not supplied

not supplied