JVC KD-SX841R, Service Manual

Page: 42 / 71

KD-SX841R
1-42 (No.49790)
4.14 UPD784215AGC198 (IC701) : Main micon
• Pin layout
• Pin function
1
~
25
75
~
51
100 ~ 76
26 ~ 50
Pin No. Symbol I/O Function
1~2 NC - No use
3 SW2 I CD mechanism switch 2
4 PSW I CD mechanism position setting switch
5 LM O Loading motor control output
6 MOTOR SEL O Loading/feed motor selecting output H(A amp):Loading L(B amp):feed
7,8 NC - No use
9 VDD - Micon power suppl;y
10 X2 - -
11 X1 I
12 VSS - GND
13 XT2 -
14 XT1 I
15 RESET I System reset
16 CD REQ I CD mechanism switch 1
17 BUS-INT I J-BUS INT
18 PS2 I Power save2 H:STOP mode
19 NC - No use
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 VOL1 I Volume encoder pulse input 1
26 VOL2 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 NC - No use
36 AVREF - Reference voltage
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 I/O selection Output:H Input:L
41 LCD-DA O Data output for LCD driver
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