JVC KD-SX60WT Service Manual page 41

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6.11 UPD178078GF-622 (IC701) : System CPU
• Pin Layout
81
100
• Pin function
Pin No. Symbol
1 NO USE
2 BUS-INT
3 BUS-SI
4 BUS-SO
5 BUS-SCK
6 to8 NO USE
9 VOL-DA
10 VOL-CLK
11 NO USE
12 LCD-DA
13 LCD-CLK
14 BUS-I/O
15 NO USE
16 LCD-CE
TE
L 13942296513
17 SW2
18 PSW
19,20 NO USE
21 VOL-1
22 VOL-2
23 KEY0
24 KEY1
25 KEY2
26 LEVEL
27 AVDD
28
29 NO USE
30 DOOR SW
31 NO USE
32 AVSS
33 REGCPU
34 VDD
35 REGOSC
36
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37
38 GND0
39 SD/ST
.
40 GND2
41 NO USE
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80 51
50
31
1 30
I/O
O OUTPUT L
I JVC BUS COMMUNICATION LINE
I J-BUS data input
O J-BUS data output
I/O J-BUS clock input/output
O OUTPUT L
I/O VOL IC COMMUNICATION LINE
O VOL IC COMMUNICATION LINE
O OUTPUT L
O LCD DRIVER COMMUNICATION LINE
O LCD DRIVER COMMUNICATION LINE
O JVC BUS OUTPUT SELECT
O OUTPUT L
O LCD DRIVER COMMUNICATION LINE
I CD MECHA SW
I CD MECHA SW
O OUTPUT L
I ENCODER INPUT
I ENCODER INPUT
I KEY INPUT
I KEY INPUT
I KEY INPUT
I AUDIO LEVEL INPUT
- -
SM I SIGNAL LEVEL METER INPUT
I -
I DOOR OPEN SW
I -
- -
- -
- -
- -
X2 - SYSTEM CLOCK
X1 I SYSTEM CLOCK
x ao
y
- -
I STATION DETECTOR & STEREO IND.
i
- -
O OUTPUT L
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8
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2 9 9 4 2 8
Function
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9
(No.49868)1-41