JVC NX-MD1R Service Manual page 60

NX-MD1R/NX-MD1
MN101C49GJJ (IC801) : System micon
1. Terminal layout
100 ~ 76
1
25
2. Pin function
Pin No. Symbol
1 A/D GND
2 KEY1
3 KEY2
4,5
6 6V/5.6V SAFETY DETECT
7 SW+9V SAFETY DETECT
8
9 SW+8V SAFETY DETECT
10 AD POWER
11 Vdd
12 8.00(MHz)out
13 8.00(MHz)in
14 GND
15 32kHz
16 32kHz
17 MNOD
18 BEAT CUT
19,20
21 KCMND
22 MSTAT
23 CD CLOCK
24
CD RESET
25 USBON/OFF
26 RM IN
27
READY
28 SUB CODE
29 CD REQUEST
30
31 RDS CLOCK IN
32
33
HARD RESET
34
MD RESET
35
36 RDS DATA IN
CONTRAST ADJUST1
37
38 CONTRAST ADJUST2
39 CONTRAST ADJUST3
40 FAN MOTOR ON/OFF
1-60
75
51
26 ~ 50
I/O
GND for A/D
-
I Front control switch input 1
I Front control switch input 2
- Not use
I 6V/5.6V safety detect input
I SW+9V safety detect input
- Not use
I SW+8V safety detect input
- AD power supply
- Power supply
O Main clock output (8MHz)
I Main clock input (8MHz)
- Connect to GND
O Sub clock output (32MHz)
I Sub clock input (32MHz)
- Connect to GND
O Beat cut input
- Not use
O Serial data output
I Status input for CD control
O Command clock output for CD control
O Reset output for CD control
O USB ON/OFF control output
I Remote control signal input
- Not use
- Not use
I CD request input
- Not use
- Not use
- Connect to GND
I System reset input
O MD reset output
- Not use
- Not use
O LCD contrast control signal output1
O LCD contrast control signal output2
O LCD contrast control signal output3
O
FAN MOTOR ON/OFF control output
Function