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•

TRACKING OFFSET
Adjustment
RV101

FOCUS BIAS
Adjustment
RV102

CNJ102

TP (RF)

TP (TE)

TP

(VC)

IC101

•

RV1

MW AUTO SCAN/

STOP LEVEL

Adjustment

RV2

FM AUTO SCAN/

STOP LEVEL

Adjustment

RV3

FM STEREO SEPARATION

Adjustment (WIDE)

RV4

FM STEREO SEPARATION

Adjustment (NARROW)

RV101

FM RDS S-METER

Adjustment

TU101

– 30 –

TP2

TP1

CONTRAST Adjustment

RV801

CN902

•

– 31 –

•

Pin No.

Pin Name

I/O

Function

1

TUN MUTE

O

Muting on/off control signal output to the FM/AM tuner unit    “H”: muting on

2

SD IN

I

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

3

WIDE IN

I

IF band (wide/narrow) detect signal input from the FM/AM tuner unit
“L”: narrow, “H”: wide

4

ST MONO

I/O

5

AM ST IN

I/O

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

6

PLLCE

O

PLL chip enable signal output to the FM/AM tuner unit    “H” active

7

NCO

O

Not used (open)

8

VCC

—

Power supply terminal (+5V)

9

XTESTMODE

I

Input terminal for setting test mode    This terminal is read at the reset, and if “L”, the test mode is
forcibly activated (Fixed at “H” in this set)

10

CKO

O

Serial data transfer clock signal output to the EEPROM (IC502)

11

SIO

I/O

Two-way data bus with the EEPROM (IC502)

12

RX

I

UART receive data input from the display controller (IC901)    “L” active

13

TX

O

UART transmit data output to the display controller (IC901)    “L” active

14

MA TAJU

O

UART TX line selection signal output    “L”: multiplex, “H”: master

15

NCO

O

Not used (open)

16

XTIMPOL

I

Input terminal to set whether time polling is provided or not
“H”: provided, “L”: none (fixed at “H” in this set)

17

PLLSI

I

PLL serial data input from the FM/AM tuner unit

18

PLLSO

O

PLL serial data output to the FM/AM tuner unit

19

PLLCKO

O

PLL serial data transfer clock signal output to the FM/AM tuner unit

20

AD ON

O

A/D converter power control signal output    When the KEY ACK (pin &¶) that controls reference
voltage power for key A/D conversion input is active, “L” is output from this terminal to enable
the input

21

RE IN0

I

Rotary encoder dial pulse input from the rotary commander (RM-X72)

22

RE IN1

I

Rotary encoder dial pulse input from the rotary commander (RM-X72)

23

MUTE

O

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

24

SIRCS

I

Sircs signal input from the remote control receiver in display unit

25

UNISI

I

Serial data input from the SONY bus interface (IC515)

26

UNISO

O

Serial data output to the SONY bus interface (IC515)

27

UNICK

I/O

Serial data transfer clock signal output to the SONY bus interface (IC515) and display controller
(IC700)

28

NCO

O

Not used (open)

29

XBUSON

O

Bus on/off control signal output to the SONY bus interface (IC515) and display controller
(IC700)    “L”: bus on

30

SYSRST

O

Reset signal output to the SONY bus interface (IC515) and display controller (IC700)
“L”: reset

31

XBOOT

I

Forced boot mode input    “L”: boot (fixed at “H” in this set)

32

NCO

O

Not used (open)

33

VSS

—

Ground terminal

34

C

—

Connected to coupling capacitor for the power supply

35 to 37

NCO

O

Not used (open)

38

DVCC

—

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

FM stereo broadcasting detection signal input from the FM/AM tuner unit, or forced monaural
control signal output to the FM/AM tuner unit
“L” is input in the FM stereo mode, or “L” is output in the forced monaural mode

– 32 –

Pin No.

Pin Name

I/O

Function

39

DVSS

—

Ground terminal (for D/A converter)

40, 41

NCO

O

Not used (open)

42

AVCC

—

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

43

AVRH

I

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

44

AVRL

I

Reference voltage (0V) input terminal (for A/D converter)

45

AVSS

—

Ground terminal (for A/D converter)

46

KEY IN0

I

Key (OFF/RELEASE, AF, TA, TIR keys) input from the front panel section (A/D input)

47

KEY IN1

I

Key input terminal (A/D input)    Not used

48

RC IN0

I

Key input from the rotary commander (RM-X72) (A/D input)

49

RC IN1

I

Key input from the rotary commander (RM-X72) (A/D input)

50

NOISE

I

Noise level detection signal input from the FM/AM tuner unit

51

DSTSEL

I

Destination setting terminal (fixed at “H”)

52

MPDH (MTP)

I

Multi-path detection signal input from the RDS decoder (IC501)

53

VSM

I

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

54

VCC

—

Power supply terminal (+5V)

55

PNL MF

O

Output of control for front panel attach/remove mechanism drive motor (M1)    *1

56

PNL MR

O

Output of control for front panel attach/remove mechanism drive motor (M1)    *1

57

FG

I

Input of front panel attach/remove operation detection    During attach/remove operation, pulses
of constant interval are input, or in stop status, “L” or “H” is always input

58

XPNL SW1

I

Detection input of the front panel position detect switch (S21)
“H”: When front panel is at the position where it can be attached or removed

59

XPNL SW2

I

Detection input of the front panel position detect switch (S22)
“L”: When front panel is half pulled in

60

XPNL SW3

I

Detection input of the front panel position detect switch (S23)
“L”: When front panel is completely pulled in (completion of attachment)

61

XPNL SW4

I

62

XINDASH

I

Input of main unit install position detection
“L”: Installed in dash board, “H”: Installed under seat, etc.

63

VSS

—

Ground terminal

64

XTEST

I

65

NOSESW

I

66

MECAON

O

Power on/off control signal output of the front panel attach/remove mechanism circuit
“H” is output during front panel attachment or removal operation

67

NS MASK

O

Noise detect port mask output terminal    “H” active

68, 69

NCO

O

Not used (open)

70

RDSSI

I

Serial data input from the RDS decoder (IC501)

71

RDSCKO

O

Serial data reading clock signal output to the RDS decoder (IC501)

72

NCO

O

Not used (open)

Detection input of the personal computer connection
“H”: When display panel is attached at front panel position
“L”: When personal computer communication accessory is attached

Detection input of the front panel attach/remove detect switches (S1 and S2)
There are two detection switches, and if both are off, “H” is input
Or, if either one is on, “L” is input
“L”: When front panel is attached, “H”: When front panel attachment or  removal is completed

Signal input from the front panel attach/remove detect switches (S1 and S2) when the front panel
is attached to the control unit
There are two detection switches, and if both are off, “H” is input
Or, if either one is on, “L” is input
“L”: When front panel is attached, “H”: When front panel attachment or removal is completed
Signal is input from the nose detection switch (S41) when connector box and display holder are
used    “L” is input when the front panel is attached