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25

 (SYSTEM CONTROLLER, LCD DRIVER)

Pin No.

Pin Name

I/O

Description

1

TAPE-END

I

Tape end detect sensor input terminal    “H” input when the tape end detected

2

RDS-CLK

I

Serial data reading clock signal input from the RDS decoder (IC804)
(Used for the AEP and UK models only)

3

REMOCON

I

Sircs remote control signal input from the remote control receiver (IC802)

4

MOT-CON

O

Capstan/reel motor on/off control signal output terminal    “H”: motor on

5

SOL-CON

O

Trigger plunger on/off control signal output terminal    “H”: plunger on

6

T-MODE

I

Head position detect switch input terminal    “L”: forward direction, “H”: reverse direction

7

REG-CON

O

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

8

CD-CLK

O

Serial data transfer clock signal output to DSP/SSP on the CD block (at CD function)

9

TUNED

I

Tuning detection signal input from the tuner pack    “L”: tuned

10

CD-DATA/

TU-DATA/

SDA

O

Serial data output to DSP/SSP on the CD block (at CD function)
PLL serial data output to PLL IC on the tuner pack (at tuner function)

I

2

C data output to the TDA7439 (IC301) (all functions)

11

CD-SQCK

O

Subcode Q data reading clock signal output to DSP on the CD block (at CD function)

12

CD-SQSO/

RDS-DATA

I

Subcode Q data input from DSP on the CD block (at CD function)
RDS serial data input from the RDS decoder (IC804) (at tuner function)
(RDS decoder: used for the AEP and UK models only)

13

TRAY-OPEN

O

Motor drive signal output to the disc tray open/close motor driver (IC309)    “H” active    *1

14

CD-MUTE

O

Muting on/off control signal output to the CD block    “H”: muting on

15

TRAY-CLOSE

O

Motor drive signal output to the disc tray open/close motor driver (IC309)    “H” active    *1

16

CD-SENSE1

I

Internal status detection monitor input from CD block
(for FZC, DFCT1, TZC, etc.)  (at CD function)

17

CD-XRST

O

Reset signal output to the CD block    “L”: reset

18

CD-SENSE2/

TU-COUNT

I

Internal status detection monitor input from the CD block
(for MIRR, DFCT2, etc.) (at CD function)
PLL count data input from PLL IC on the tuner pack (at tuner function)

19

CD-LATCH/

TU-CE

O

Serial data latch pulse output to DSP on the CD block (at CD function)
PLL serial chip enable signal output to PLL IC on the tuner pack (at tuner function)

20

JOG-B

I

Jog dial pulse input from the rotary encoder (RV801  VOLUME) (B phase input)

21

JOG-A

I

Jog dial pulse input from the rotary encoder (RV801  VOLUME) (A phase input)

22

AMP-MUTE

O

Muting on/off control signal output to the power amplifier (IC101, 201)
“H”: muting on 

23

AMP-STBY

O

Standby on/off control signal output to the power amplifier (IC101, 201)
“L”: standby mode

24

VIDEO-ON

O

VIDEO/MD function control signal output terminal
“H”: VIDEO/MD (“L” output when other functions)

25

TU-ON

O

Power supply on/off control signal output of the tuner pack (+10V)
LED drive signal output of the TUNER indicator (D855)    “H”: tuner power on (LED on)

26

D.S.G.

O

LED drive signal output of the DSG (Dynamic Sound Generator) indicator (D856)
“H”: LED on

27

CD-SYNC

O

LED drive signal output of the CD SYNC indicator (D857)    “H”: LED on

28

SCK

O

Serial data transfer clock signal output to the TDA7439 (IC301)

29

TU-CLK

O

PLL serial data transfer clock signal output to PLL IC on the tuner pack (at tuner function)

*1  Disc tray open/close motor control

Stop

Table In

Table Out

Brake

TRAY-OPEN (pin 

)

“L”

“L”

“H”

“H”

TRAY-CLOSE (pin 

)

“L”

“H”

“L”

“H”

Terminal

Mode

qd

qg

26

Pin No.

Pin Name

I/O

Description

30

RDS-ON

O

Power supply on/off control signal output of the tuner pack (+7.5V) and RDS decoder (IC804) 
(RDS decoder: used for the AEP and UK models only)
LED drive signal output of the TUNER indicator (D855)    “H”: tuner power on (LED on)

31

HP-CHK

I

Headphone check detection signal input terminal

32

TC-SW

I

Half detect (side A and B) switch and cassette in detect switch input terminal (A/D input)

33

TRAY-SW

I

Disc tray position detect switch (S901, 902) input terminal (A/D input)
 “L”: close position, “M”: open position, “H”: moving

34

KEY3

I

Key input terminal (A/D input)    S817 to S822, S824 and S825 (STANDBY I/

u, CD, TUNER, 

TAPE, MD/VIDEO, DSG, TUNER BAND, CD SYNC keys input)

35

KEY2

I

Key input terminal (A/D input)    S801 to S808 (TUNING MODE, CD 

^/p/+/=, PLAY 

MODE, REPEAT, CD EJECT 

6 keys input)

36

KEY1

I

Key input terminal (A/D input)
S809 to S816 (TAPE 

9 (/p/)/0/P, REC r, TUNING +/– keys input)

37

SIMUKE

I

Destination setting terminal (A/D input)

38

RESET

I

System reset signal input from the reset signal generator (IC803)    “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

39

EXTAL1

I

Main system clock input terminal (4.19 MHz)

40

XTAL1

O

Main system clock output terminal (4.19 MHz)

41

VSS

—

Ground terminal

42

XTAL2

O

Sub system clock output terminal (500 kHz)    Not used (open)

43

EXTAL2

I

Sub system clock input terminal (500 kHz)    Not used (fixed at “L”)

44

AVREF

I

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

45

AVSS

—

Ground terminal (for A/D conversion)

46

VL

O

Liquid crystal display bias on/off control signal output terminal

47 to 49

VLC3 to VLC1

—

Power supply terminal for the liquid crystal display bias

50 to 53

COM0 to COM3

O

Common drive signal output to the liquid crystal display (LCD801)

54 to 85

SEG0 to SEG31

O

Segment drive signal output to the liquid crystal display (LCD801)

86

REC-BIAS

O

Recording bias on/off selection signal output to the HA12203NT (IC352)
“L”: bias on, “H”: bias off

87

REC-MUTE

O

Recording muting on/off selection signal output to the HA12203NT (IC352)
“L”: muting on, “H”: muting off

88

DOLBY

O

Dolby NR on/off selection signal output to the HA12203NT (IC352)
“L”: dolby on, “H”: dolby off

89

VDD

—

Power supply terminal (+5V)

90

NC

—

Connected to power supply (+5V)

91

VSS

—

Ground terminal

92

TX

O

Sub system clock output terminal (32.768 kHz)

93

TEX

I

Sub system clock input terminal (32.768 kHz)

94

CD-ON

O

Power supply on/off control signal output of the CD block (+5V)
LED drive signal output of the CD indicator (D852)    “H”: CD power on (LED on)

95

REC/PB

O

Recording/playback selection signal output to the BA3126N (IC350) and HA12203NT (IC352)
“L”: playback mode, “H”: recording mode

96

L-MUTE

O

Line muting on/off selection signal output to the HA12203NT (IC352)
“L”: muting on, “H”: muting off

97

LINE OUT-MUTE

O

Muting on/off control signal output terminal    “H”: muting on

98

TC-ON

O

Power supply on/off control signal output of the cassette holder back light
LED drive signal output of the TAPE indicator (D854)    “H”: back light on (LED on)

99

WP

I

Wakeup control signal input terminal

100

CD-SCOR

I

Subcode sync (S0+S1) detection signal input from DSP on the CD block (at CD function)

27

NOTE:

•

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

•

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 number
in the exploded views are not supplied.

•

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

•

Abbreviation
SP

: Singapore model.

MY

: Malaysia model.

HK

: Hong Kong model.

TH

: Thai model.

EA

: Saudi Arabia model.

The components identified by mark 

0

 or

dotted line with mark 

0

 are critical for safety.

Replace only with part number specified.

Ref. No.

Part No.

Description

Remarks

#1

#1

Front panel 
secrtion

#2

#2

not 
supplied

#1

#1

#1

Chassis section

1

1-772-623-11 DECK,MECHANICAL (TAPE DECK BLOCK)

2

4-217-341-31 COVER(UPPER)

3

4-221-580-01 SCREW, CASE

28

Ref. No.

Part No.

Description

Remarks

Ref. No.

Part No.

Description

Remarks

supplied 
with RV801

#1

#1

#1

#3

not 
supplied

not 
supplied

not 
supplied

51

X-4952-336-1 KNOB ASSY

52

X-4952-749-1 PANEL SUB ASSY, FRONT

53

4-227-956-01 WINDOW (CASSETTE)

55

4-217-316-11 LID,CASSETTE

56

1-678-282-11 LCD BOARD

57

4-217-319-01 PLATE, LCD LIGHT

58

4-217-317-02 HOLDER (CASSETTE) (TH)

58

4-229-876-01 HOLDER (CASSETTE)(SP,MY,EA,HK)

59

4-229-069-01 SPRING, CASSETTE

60

1-792-413-11 CABLE, FLEXIBLE FLAT (18 CORE)

61

1-792-412-11 CABLE, FLEXIBLE FLAT (20 CORE)

62

4-217-320-01 PLATE, BACK LIGHT

63

X-4951-937-1 LOCK(EJECT) ASSY

64

4-931-757-31 SCREW(DIA.2.6X8)(IT3B),TAPPING

65

A-4428-925-A CONTROL BOARD, COMPLETE

66

3-351-377-11 GEAR, DAMPER

67

4-218-204-01 FOOT(FRONT)

68

1-677-147-21 HEADPHONE BOARD

69

4-227-282-11 KNOB(BASS)

71

4-221-075-01 KNOB(MIC VOL)