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– 93 –

44

VDD1

—

Power supply terminal (+5V) (for A/D converter section, digital system)

45

VSS1

—

Ground terminal (for A/D converter section, digital system)

46

TEST2

I

Input terminal for the test (fixed at “L”)

47

TEST3

I

Input terminal for the test (fixed at “L”)

48

VSS1

—

Ground terminal (for A/D converter section, digital system)

49

NU

—

Not used (open)

50

NU

—

Not used (open)

51

AVSS

—

Ground terminal (for A/D converter section, analog system)

52

LVDD

—

Power supply terminal (+5V) (for A/D converter section, buffer system)

53

LVSS

—

Ground terminal (for A/D converter section, buffer system)

54

REFO

O

Reference voltage (+3.3V) output terminal (for A/D converter section)

55

INLM

I

L-ch analog signal (–) input terminal

56

INLP

I

L-ch analog signal (+) input terminal

– 94 –

µ

1

NC

I

Not used (fixed at “L”)

2

MD RESET

O

System reset signal output to the mechanism controller (IC100)    “L”: reset
For several hundreds msec. after the power supply rises, “L” is output, then it changes to “H”

3

NC

I

Not used (fixed at “L”)

4

AVSS

—

Ground terminal (for A/D converter)

5

NC

I

Not used (fixed at “L”)

6

NC

I

Not used (fixed at “L”)

7

AVREF1

I

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

8

DATA IN

I

UART data input from the mechanism controller (IC100)

9

DATA OUT

O

UART data output to the mechanism controller (IC100)

10

CTS

I

UART data reception request signal input from the mechanism controller (IC100)

11

RTS

O

UART data transmission request signal output to the mechanism controller (IC100)

12

SDATA

O

Serial data output to the fluorescent indicator tube driver (IC901)

13

SCK

O

Serial data transfer clock signal output to the fluorescent indicator tube driver (IC901)

14

CS

O

Chip enable signal output to the fluorescent indicator tube driver (IC901)

15

REST

O

Forced reset signal output to the fluorescent indicator tube driver (IC901)    “L”: forced reset

16 to 20

NC

I

Not used (fixed at “L”)

21

ST VER0

I

22

ST VER1

I

Tuner destination selected terminal (fixed at “L” in this set)

23

ST VER2

I

24 to 26

NC

I

Not used (fixed at “L”)

27

YB-DATA0

I/O

28

YB-DATA1

I/O

29

YB-DATA2

I/O

30

YB-DATA3

I/O

31

LED1

O

REC indication LED (D911) drive signal output    “L”: LED on

32

LED0

O

CD SYNC indication LED (D910) drive signal output    “L”: LED on

33

VSS

—

Ground terminal

34

ST POWER

O

Power control signal output for the tuner circuit    “L”: tuner power on

35

SYS POWER

O

Power control signal output for main system    “L”: power on, “H”: standby

36

MD REC

O

–6 dB attenuate control signal output for the MD analog input    “L” active

37

AUX OFF

O

Control signal output to the output circuit in MD recording mode    Off in TAPE mode

38

MUTE1

O

Line mute control signal output    “H”: mute on

39

MUTE2

O

Line mute control signal output    “H”: mute on

40

NC

I

Not used (fixed at “L”)

41

NC

I

Not used (fixed at “L”)

42

STEREO

I

STEREO indicate signal input from the FM/AM (MW) tuner unit (TB101)

43

TUNED

I

TUNED indicate signal input from the FM/AM (MW) tuner unit (TB101)

44

CE

O

PLL chip enable output to the FM/AM (MW) tuner unit (TB101)

45

CLOCK

O

PLL serial data transfer clock signal output to the FM/AM (MW) tuner unit (TB101)

Two-way data bus with the micro-computer on CDP-M11C (CD player system)

Tuner destination selected terminal
US, Canadian, AEP, UK models: fixed at “H”
E, Singapore, Malaysia, Hong Kong models: fixed at “L”

Tuner destination selected terminal
AEP, UK models: fixed at “L”
Except AEP, UK models: fixed at “H”

– 95 –

46

DATA OUT

O

PLL serial data output to the FM/AM (MW) tuner unit (TB101)

47

DATA IN

I

PLL serial data input from the FM/AM (MW) tuner unit (TB101)

48

DBFB

O

DBFB on/off selection signal output to the DBFB circuit    “L”: DBFB on, “H”: DBFB off

49

DBFB 1/2

O

DBFB 1/2 mode selection signal output to the DBFB circuit
“L”: DBFB mode 2, “H”: DBFB mode 1

50

SURR

O

Surround system on/off selection signal output to the surround circuit
“L”: surround on, “H”: surround off

51

SURR 1/2

O

Surround system 1/2 mode selection signal output to the surround circuit
“L”: surround mode 2, “H”: surround mode1

52

FUNC B

O

Function selection signal output to the function switch (IC601)    *1

53

FUNC A

O

Function selection signal output to the function switch (IC601)    *1

54

NC

I

Not used (fixed at “L”)

55

VOL-LATCH

O

Serial latch signal output to the electrical volume (IC640)

56

VOL-CLOCK

O

Serial data transfer clock signal output to the electrical volume (IC640)

57

VOL-DATA

O

Serial data output to the electrical volume (IC640)

58

SIRCS

I

Sircs signal input from the remote control receiver (IC910)

59

AC-DET

I

AC off detection signal input from the reset signal generator (IC850)

60

RST

I

Reset signal input from the reset signal generator (IC850)    “L”: reset

61

AUB IN

I

Audio bus signal input terminal    Not used in this set

62

AUB OUT

O

Audio bus signal output terminal    Not used in this set

63

YB-CLOCK

O

Data transfer clock signal output to the micro-computer on CDP-M11C (CD player system)

64

YB-READY

I/O

Ready signal in/out terminal with the micro-computer on CDP-M11C (CD player system)

65

NC

I

66

NC

I

Not used (fixed at “L”)

67

NC

I

68

VDD

—

Power supply terminal (+5V)

69

X2

O

Main system clock output terminal (5 MHz)

70

X1

I

Main system clock input terminal (5 MHz)

71

GND

—

Ground terminal

72

XT2

O

Sub system clock output terminal (32. 768 kHz)

73

XT1

I

Sub system clock input terminal (32.768 kHz)

74

AVDD

—

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

75

AVREF0

I

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

76

NC

I

Not used (fixed at “L”)

77

KEY1

I

Key input terminal (A/D input)    CUE/TUNING +, NO EDIT, YES, SCROLL, DISPLAY, REC,
CD SYNC, VOL –/+ keys input    (S919, S914 to S911, S915 to S918)

78

KEY0

I

Key input terminal (A/D input)    POWER, PLAY/PAUSE, STOP, BAND, REVIEW/TUNING –,
FUNCTION, EJECT keys input    (S910, S901 to S906)

79

NC

I

Not used (fixed at “L”)

80

NC

I

Not used (fixed at “L”)

*1

MD

CD

TUNER

TAPE

FUNC B (pin 

%™)

“L”

“L”

“H”

“H”

FUNC A (pin 

%£)

“L”

“H”

“L”

“H”

Function

Terminal

– 96 –

NOTE:

•

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

•

Color Indication of Appearance 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 is given in the last of
the electrical parts list.

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.

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

4-986-543-01 PANEL (AL), FRONT

2

4-942-636-21 EMBLEM (NO. 3.5), SONY

3

4-975-365-01 SCREW (ALUMINUM)

4

4-986-546-01 INDICATOR (PLAY)

5

X-4947-787-1 PANEL ASSY, FRONT

6

4-951-620-01 SCREW (2.6X8), +BVTP

7

1-777-711-11 WIRE (FLAT TYPE) (17 CORE)

8

3-363-099-51 SCREW (CASE 3 TP2)

9

4-975-358-11 COVER

* 10

A-4392-194-A DISPLAY BOARD, COMPLETE

* 11

1-663-485-11 SWITCH BOARD

12

4-986-551-01 BUTTON (PLAY)

13

X-4947-774-1 LID ASSY

14

4-986-564-01 CUSHION (FOOT)

15

4-986-545-01 PLATE (WINDOW), INDICATION

16

4-986-548-01 FILTER (REMOTE CONTROL)

17

4-986-547-01 INDICATOR (REC)

•

Abbreviation
HK : Hong Kong

MY: Malaysia

SP : Singapore

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