JVC KD-SX8250 Service Manual page 23

Pin No. Symbol
1 NC
2 NC
SW2
3
4 PSW
5 LM
6 MOTOR SEL
7 NC
8 ANT CONT
9 VDD
X2
10
11 X1
12 VSS
13 XT2
14 XT1
RESET
15
16 SW1
BUSINT
17
18 PS2
19 NC
20 NC
21 NC
REMOCON
22
23 AVDD
24 AVREF0
25 VOL1
26 VOL2
27 KEY0
28 KEY1
KEY2
29
30 LEVEL
31 PULL DOWN
32 SM
33 AVSS
34 NC
35 NC
AVREF
36
37 BUSSI
38 BUSSO
39 BUSSCK
40 BUSI/O
41 LCDDA
42 LCDCK
LCDCE
43
44 BUZZER
45 NC
46 NC
47 NC
48 OPEN
49 NC
NC
50
I/O
O Non connected
O
Non connected
I Detection switch of CD mechanism
I
CD mecha position setting SW
O
Loading motor control signal output
O Loading /feed motor selecting output
O
Non connected
O Antenna remote output
-
5V connection
- Sub-clock 32.738MHz
I
Sub-clock 32.738MHz
-
GND connection
- Sub-clock 12.5MHz
I
Sub-clock 12.5MHz
I Reset detection terminal
I
Detection switch of CD mechanism
I J-BUS signal interrupt input
I
POWER SAVE2 BACK UP synchronization. It is H input and stop mode.
O
Non connected
O Non connected
O
Non connected
I Remote control signal input
-
5V connction
-
5V connection
I
Input for rotation volume detection pulse judgment to relation V1
I
Input for rotation volume detection pulse judgment to relation V2
I Key control signal input 0
I
Key control signal input 1
I Key control signal input 2
I
Level meter input
I
Pul down
I S.METER level input
-
GND connection
O Non connected
O
Non connected
- 5V connection
I
J-BUS data input
O
J-BUS data output
I/O J-BUS clock I/O
I/O
J-BUS data I/O terminal.
O Data output for LCD driver.
O
Clock output for LCD driver.
O Chipenable output to LCD driver
O
Buzzer output
O
Non connected
O Non connected
O
Non connected
O CD tray open control signal output
O
Non connected
O Non connected
Function
KD-SX8250/KD-SX780
UPD784215AGC143(1/2)
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