JVC KD-SH99R service manual 1-22

Models: KD-SH99R

1 41
Download 41 pages 46.82 Kb
Page 5
Image 5

KD-SH99R

 

 

 

UPD784215AGC146(1/2)

Pin No.

Symbol

I/O

Function

 

 

 

 

1

PREQ

O

Mechanism power supply ON/OFFdemand output("L":On demand)

2

AMUTE

O

Audio output MUTE control signal output ("L" :MUTE ON)

3

 

O

Non connected

4

 

O

Non connected

5

 

O

Non connected

6

 

O

Non connected

7

DIMMER-OUT

O

Unused output port

8

ANT PEM

O

Antenna remote output

9

VDD

-

5V connection

10

X2

 

Sub-clock 32.738MHz

11

X1

I

Sub-clock 32.738MHz

12

VSS

-

GND connection

13

XT2

 

Sub-clock 12.5MHz

14

XT1

I

Sub-clock 12.5MHz

15

RESET

 

Reset detection terminal

16

 

I

Non connected

17

BUS-INT

O

J-BUS signal interrupt input

18

PS2

I

POWER SAVE2 BACK UP synchronization. It is H input and stop mode.

19

 

I

Unused input port

20

RDS-SCK

I

RDS clock input

21

RDS-DA

I

RDS data input

22

REMOCON

I

Remote control signal input

23

AVDD

-

5V connction

24

AVREF0

-

5V connection

25

SD-ST

I

Station detector, stereo signal input.

 

 

 

It is H and broadcasting station havingBroadcasting station,L:stereo

26

MRC DATA

I

MRC DATA input

27

KEY0

I

Key input 0

28

KEY1

I

Key input1

29

TEMP

I

Temperature data input for contrast correction

30

LEVEL

I

Level meter input

31

SQ

I

S.QUALITY level input

32

S.METER

I

S.METER level input

33

AVSS

-

GND connection

34

INLOCK

O

The LOCK detection output. At LOCK:H

35

NC

O

Unused output port

36

AVREF

-

5V connection

37

BUS-SI

I

J-BUS data input

38

BUS-SO

O

J-BUS data output

39

BUS-SCK

I/O

J-BUS clock I/O

40

(STAGE)

I

H:L:Initialization port

41

LCD-DA

O

Data output to LCD driver

42

LCD-CL

O

Clock output to LCD driver

43

LCD-CE

O

Chipenable output to LCD driver

44

BUZZER

O

Buzzer output

45

EPDAI

I

Communication data input of 12C

46

EPDAD

O

Communication data input of 12C

47

EPCLK

O

Communication data input of 12C

48

BUS-I/O

O

The J-BUS I/O switch output. When outputting :H,When inputting :L

49

PM0

O

Panel close side motor control signal output

50

PM1

O

Panel opening side motor control signal output

1-22

Page 5
Image 5
JVC KD-SH99R service manual 1-22