JVC KD-S685 Service Manual page 22

KD-S685/KD-S585
QQ
3 7 63 1515 0
LC72366-9A73 (IC801) : System CPU
1. Pin layout
24 ~ 1
25
40
41 ~ 64
2. Pin function
Pin No. Symbol
1
XIN
2 TEST2
3 J-BUS SI
4
J-BUS SO
5
J-BUS SCK
6
J-BUS I/O
7
SUBQ
8
9 SQCK
10
RESET
11
LCD SI
12
LCD SO
13 LCD SCK
14 LCD CE
15
FM ILLUMI
TE
L 13942296513
16
AM ILLUMI
17
CD ILLUMI
18
DIMMER OUT
19 LM0
20 LM1
21
22
23
24 KS2
25 KS1
26
KS0
27
DETACH
28
K2
29
K1
30 K0
31 Vdd
32
SW2
33
CD LSI RESET
34
MCLK
35
MDATA
36 MLD
37
www
38
39
SCL
40
SDA
1-22
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80
65
I/O
I Crystal oscillator input port
I Connect to ground
-
No use
-
No use
-
No use
-
No use
I/O CD LSI subcode data input
- No use
I/O CD LSI subcode clock
I Micon reset pin
- No use
O LCD driver data output
O LCD driver clock signal
O LCD driver chip enable port
- No use
- No use
- No use
- No use
O CD loading motor output
O CD loading motor output
- No use
- No use
- No use
O Output for initial setting diode matrix
O Output for initial setting diode matrix
O Output for initial setting diode matrix
I Front panel detect
- No use
I Input for initial setting diode matrix
I Input for initial setting diode matrix
- 5V power supply port (+B)
I CD mechanism detect switch
O CD LSI reset
O CD LSI command clock signal
O CD LSI command data output
O CD LSI command load signal
- No use
- No use
O x E.volume clock output ao
y
O E.volume data output
. i
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8
Function
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9