JVC XV-M50BK Service Manual page 8

XV-M50BK
1.6 MN101C49GGJ1(IC701): System controller
• Terminal layout
• Pinfunction
Pin No. Symbol
1 GND
2 NC
3 NC
4 NC
5 NTSEL
6 POWER SW
7 SHUT1
8 KEY1-5
9 KEY6-10
10 VREF+
11 VDD
12 OSC2
13 OSC1
14 VSS
15 XI
16 XO
17 MMOD
18 DADATA
19 DACSO
20 DACK
21 S2UDT
22 U2SDT
23 SCLK
24 BUSY
25 CPURST
26 REQ
27 REMO
28
29
30
31
32
33 RESET
34
35
36 VCD
37 OSDCK
38 NT
39 FS2
8
I/O
- Connect to ground
- No connect
- No connect
- No connect
I NTSC/PAL selection
I Power switch detect terminal
- Connect to VDD
- Connect to VDD
- Connect to VDD
I Reference voltage
I Power supply
O External terminal for connected oscirator
I External terminal for connected oscirator
- Connect to ground
- Connect to ground
- No connect
- Connect to ground
I/O Data bus for DAC
O Serial bus output for DAC
I/O Clock for DAC
O Communication between unit microcomputers DATA output
I Communication between unit microcomputers DATA output
I/O Serial clock bus
I/O Busy bus
O Unit microcomputer reset
I Commnication between unit microcomputers REQ
I Remote control interrruption
- Non connect
- Non connect
- Connect to ground
- Connect to ground
- Connect to ground
I DVD reset
- No connect
- No connect
- No connect
- No connect
- No connect
- No connect
Function