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– 87 –

•

Pin No.

Pin Name

I/O

Function

1

LED3

O

LED drive signal output terminal    Not used (open)

2

LED4

O

LED drive signal output terminal    Not used (open)

3

LED5

O

LED drive signal output terminal (DISC 3)

4

LED6

O

LED drive signal output terminal (DISC 2)

5

LED7

O

LED drive signal output terminal (DISC 1)

6

LED8

O

LED drive signal output terminal (ENTER/NEXT, GROOVE)

7

VSS

—

Ground terminal

8

X-OUT

O

System clock output terminal (8 MHz)

9

X-IN

I

System clock input terminal (8 MHz)

10

RESET

I

System reset signal input from the reset signal generator (IC502)    “L”: reset                                   
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

11

LED9

O

LED drive signal output terminal (JOG, DJ MIX)

12

LED10

O

LED drive signal output terminal (CD NON-STOP, + 

), – 0)

13

TEST

I

Connected to ground

14

LED11

O

LED drive signal output terminal    Not used (open)

15

LED12

O

LED drive signal output terminal (EFFECT, VIDEO CD)

16

LED13

O

LED drive signal output terminal (CD 

( P)

17

LED14

O

LED drive signal output terminal (TAPE B 

(/9)

18

LED15

O

LED drive signal output terminal (TAPE A 

(/9)

19

VOL-A

I

Rotary encoder pulse input from the S602 (VOLUME)

20

VOL-B

I

Rotary encoder pulse input from the S602 (VOLUME)

21

JOG-A

I

Jog dial pulse input from the S601 (

= 

↔

 

+ DJ MIX)

22

JOG-B

I

Jog dial pulse input from the S601 (

= 

↔

 

+ DJ MIX)

23

SCL

I/O

 

Communication data reading clock signal input or transfer clock signal output with the system
controller (IC501) and CD mechanism controller (IC502)

24

SDA

I/O

Communication data bus with the system controller (IC501) and CD mechanism controller 
(IC502)

25

L.SEL

O

LED selection signal output terminal

26

KEY-0

I

27

KEY-1

I

Key input terminal (A/D input) (S619 to 630)
CD FLASH, CD NON-STOP, – 

0,  ENTER/NEXT, + ) , DBFB, GROOVE, ACTIVE, 

SELECT, RETURN, PREV, NEXT keys input

28

KEY-2

I

29

KEY-3

I

Key input terminal (A/D input) (S618, 656 to 659)
CD LOOP, 

r REC, P PAUSE, HI-DUB, CD SYNC, keys input

30

MODEL

I

Destination setting terminal

31

SPEANA       

RESET

O

Reset signal output terminal    “H”: reset    Not used (open)

32

L+R

I

Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)               
(for VACS, non-stop signal)

33

SIRCS

I

Remote control signal input from the remote control receiver (IC602)

Key input terminal (A/D input) (S631 to 642)
TUNER BAND, CD 

( P, TAPE B (/9, TAPE A (/9, I/u (POWER), DISC 1/2/3, 

DISC SKIP/EX-CHANGE, 

6 keys input

Key input terminal (A/D input) (S604 to 617)
EFFECT, SURROUND, KARAOKE PON/MPX, 

p, TIMER SELECT, CLOCK/TIMER SET, 

DISPLAY/DEMO, FILE SELECT, GEQ CONTROL, P.FILE MEMORY, FUNCTION, 
REPEAT STEREO/MONO, EDIT DIRECTION, PLAY MODE DOLBY NR TUNER 
MEMORY keys input

– 88 –

Pin No.

Pin Name

I/O

Function

34

SPEANA-1

I

Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)               
(for low frequency)

35

SPEANA-2

I

Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)               
(for low and middle frequency)

36

SPEANA-3

I

Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)               
(for middle and high frequency)

37

SPEANA-4

I

Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)               
(for high frequency)

38

VASS

—

Ground terminal (for A/D conversion)

39

VAREF

I

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

40

VDD

—

Power supply terminal (+5V)

41 to 53

GR1 to GR13

O

Grid drive signal output to the fluorescent indicator tube (FL601)

54 to 69

SEG1 to SEG16

O

Segment drive signal output to the fluorescent indicator tube (FL601)

70 to 72

SEG19 to SEG17

O

Segment drive signal output to the fluorescent indicator tube (FL601)

73 to 77

SEG24 to SEG20

O

Segment drive signal output to the fluorescent indicator tube (FL601)

78

VKK

—

Power supply terminal (–30V) (for fluorescent indicator tube drive)

79

LED1

O

LED drive signal output terminal  (

r REC, P PAUSE)

80

LED2

O

LED drive signal output terminal (ACTIVE ON/OFF)

– 89 –

The components identified by
mark 

! or dotted line with mark

! are critical for safety.

Replace only with part number
specified.

• 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.

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

• Abbreviation

CH

: Chinese

MY

: Malaysia

EA

: Saudi Arabia

SP

: Singapore

HK : Hong Kong

TH

: Thai

IA

: Indonesia

TW

: Taiwan

JE

: Tourist

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

#1

#5

#2

#2

#3

#3

Front panel

not supplied

TCM-230AWR1

TCM-230PWR1

1

1-773-025-11 WIRE (FLAT TYPE) (15 CORE) (33cm)

2

X-4949-350-1 LID (R) ASSY, CASSETTE

3

4-991-781-01 EMBLEM (VCD)

4

X-4949-349-1 LID (L) ASSY, CASSETTE

5

4-900-739-11 PANEL, LOADING

6

1-769-984-11 WIRE (FLAT TYPE) (13 CORE) (23cm)

7

3-363-099-11 SCREW (CASE 3 TP2) (3X8)

8

3-363-099-71 SCREW (CASE 3 TP2) (3X12)

* 9

4-996-728-01 CASE (EXCEPT IA)

* 9

4-996-728-21 CASE (IA)

10

1-773-048-11 WIRE (FLAT TYPE) (17 CORE)

– 90 –

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

#7

#7

not supplied

(including 

r

A, 

r

B)

not supplied

supplied with J421

#2

supplied with 

J750, 751

r

A

r

B

not supplied

supplied 

with S601

supplied with 

S602

51

X-4949-981-1 PANEL ASSY, FRONT

52

4-930-336-61 FOOT (FELT)

53

4-962-708-11 EMBLEM (4-A), SONY

54

4-995-081-01 LATCH, DC

55

4-996-722-01 KNOB (VOL)

56

4-996-721-01 KNOB (JOG-U4)

* 57

4-996-716-01 HOLDER (CDM)

58

4-951-620-01 SCREW (2.6X8), +BVTP

59

4-986-893-51 KNOB (MICROPHONE)

* 60

1-670-067-11 CD-SW BOARD

* 61

A-4414-025-A PANEL BOARD, COMPLETE

* 62

1-670-070-11 HP BOARD

* 63

3-973-975-21 DAMPER, OIL

64

4-996-704-01 BUTTON (POWER) ( 1 /u)

65

4-997-070-01 BUTTON (OPEN/CLOSE) (6)

66

X-4949-348-1 BUTTON (REC) ASSY

(r REC, P PAUSE, HI-DUB, CD SYNC)

67

4-996-733-01 SPRING (B DECK)

68

4-996-732-01 SPRING (A DECK)