JVC KD-SX841R Service Manual page 42

KD-SX841R
QQ
4.14 UPD784215AGC198 (IC701) : Main micon 3 7 63 1515 0
• Pin layout
1
~
25
• Pin function
Pin No. Symbol
1~2 NC
3 SW2
4 PSW
5 LM
6 MOTOR SEL
7,8 NC
9 VDD
10 X2
11 X1
12 VSS
13 XT2
14 XT1
15 RESET
TE
16 L 13942296513 CD REQ
17 BUS-INT
18 PS2
19 NC
20 RDS-SCK
21 RDS-DA
22 REMOCON
23 AVDD
24 AVREF0
25 VOL1
26 VOL2
27 KEY0
28 KEY1
29 KEY2
30 LEVEL
31 SQ
32 SM
33 AVSS
34,35 NC
36 AVREF
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37 BUS-SI
38 BUS-SO
39 BUS-SCK
40 BUS-I/O
41 LCD-DA
1-42 (No.49790)
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100 ~ 76
75
~
51
26 ~ 50
I/O
- No use
I CD mechanism switch 2
I CD mechanism position setting switch
O Loading motor control output
O Loading/feed motor selecting output H(A amp):Loading L(B amp):feed
- No use
- Micon power suppl;y
- -
I
- GND
-
I
I System reset
I CD mechanism switch 1
I J-BUS INT
I Power save2 H:STOP mode
- No use
I RDS clock input
I RDS data input
I Remocon input
- A/D converter power supply
- A/D reference voltage
I Volume encoder pulse input 1
I Volume encoder pulse input 2
I Key input 0
I Key input 1
I Key input 2
I Level meter input
I S.Quality level input
I S.METER input
- GND
- No use
- Reference voltage
I J-BUS data input
x ao
O J-BUS data output
. i
I/O J-BUS clock input/output
O J-BUS I/O selection Output:H Input:L
O Data output for LCD driver
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Function
Q Q
3 6 7
u163
y
2 9 9 4
8
1 3 1 5 0 5 8 2 9
m
co
.
2 8
9 9
9 4 2 8 9 9