JVC KS-FX842R, Service Manual

Page: 32 / 59

1-32 (No.49854)
4.12 UPD784215AGC223 (IC701) : Main micon
• Pin layout
• Pin function
1
26 50
51
75
100 76
25
Pin No. Symbol I/O Function
1 TAPE IN I Cassette tape inside signal H:Inside L:Outside
2 STAND BY I Stand-by position detection signal input H:Loading L:Eject side
3 to 8 no use - Not used
9 VDD Micon power supply
10 X2
11 X1
12 VSS GND
13 XT2
14 XT1
15 RESET I System reset
16 Steering I Steering remocon input
17 BUS-INT I J-BUS INT
18 PS2 I Power save2 H means STOP mode
19 no use - Not used
20 RDS-SCK I RDS clock input
21 RDS DA I RDS data input
22 REMOCON I Remocon input
23 AVDD A/D converter power supply
24 AVREF0 A/D reference voltage
25 VOLÅE I Volume encoder pulse input 1
26 VOLÅE I Volume encoder pulse input 2
27 KEY0 I Key input 0
28 KEY1 I Key input 1
29 KEY2 I Key input 2
30 LEVEL I Level meter input
31 SQ I S.Quality level input
32 SM I S.METER input
33 AVSS GND
34,35 no use - Not used
36 AVREF
37 BUS-SI I J-BUS data input
38 BUS-SO O J-BUS data output
39 BUS-SCK I/O J-BUS clock input/output
40 BUS-I/O O J-BUS selection output;Hinput L
41 LCD-DA O Data output for LCD driver
42 LCD-SCK O CLK output for LCD driver
43 LCD-CE O CE for LCD driver
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com