JVC UX-A52 Service Manual page 31

3. Pin function (1/2)
Symbol
Pin No.
I/O
1 FAUX2 -
2 NC -
3 RDSDATA -
4 MPX I
5 TUST I
6 NC O
7 FTUNER O
8 FCD O
9 VDD -
10 NC -
11 PBMUTE O
12 NC -
13 PIN I
14 LEDCTL O
15 BUZER O
16 MDPOUT O
17 MDRESET O
18 SMUTE O
19 NC -
20 NC -
21 POUT O
22 VPP I
23 UP I
24 RMT0 O
25 RMT1 O
26 MIDDLE I
27 DOWN I
28 RMSPEED O
29 VOLCK O
30 VOLCE O
31 VOLDA O
32 AHB O
33 BUB I
34 BTCL O
35 NC O
36 XKILL I/O
37 VDD I
38 X1 I
39 X2 O
40 VSS I
41 XT2 O
42 XT1 I
43 RESET I
44 REM I
45 RDSCK -
46 NC -
47 PHOTO I
48 I
SAFTEY4
49 -
NC
-
50 NC
Not connected
Not connected
Not connected
Stereo detection
Stereo indicator detection
Not connected
Tuner switch output
CD switch output
Connected with VDD
Not connected
PB mute output
Not connected
Power key input
LED control output
Buzzer output
MD PB output
MD reset output
System mute output
Not connected
Not connected
Power-on control output
GND
Door position detection - UP
Door open/shut motor control output
Door open/shut motor control output
Door position detection - MIDDLE
Door position detection - DOWN
Door open/shut motor speed control output
Volume control clock
Volume control chip enable
Volume control data
Active hyper bus control
Backup detection
Battery control
Not connected
Power-off clock oscillator control
Power supply
Master clock
Master clock
GND
Clock for timer
Clock for timer
Power-on reset
Remote control sensor
Not connected
Not connected
Reel pulse detection
Current detection
Not connected
Not connected
Description
UX-A52
1-31