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1
2
A
TO P2
PS2
TO P1
PS2
≠≠≠
≠≠
5V
CONT BUS
TO P1,P3,P5
R156
10k
:CHIP
R155
10k
B
:CHIP
C40
0.22
25V
F:CHIP
R154
10k :CHIP
CLOCK
RESET
≠≠≠≠≠
≠≠≠≠
R151
10k :CHIP
R152
C41
10k
0.22
:CHIP
5V
25V
F:CHIP
C
HWR
≠≠≠
≠≠
R145
RD
≠≠ ≠
10k
:CHIP
TO P1
WAIT
≠≠≠≠
≠≠≠
D(0:15)
D
TO P1,P3,P5
A(0:23)
D
E
F
JTC-C200
3
4
5
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
C38
0.22
25V
61
VCC
43
F:CHIP
62
DB3
42
63
VCC
DB2
41
64
PS2
DB1
40
PS2
65
DB0
39
66
GND
GND
38
67
CLOCK
RS
37
68
R/W
36
IC19
1
RESET
EPM7064LC68-15
VCC
35
C37
0.22
PLD
25V
2
KEYOE
GND
34
FCHIP
3
VCC
E1
33
IS19
4
OE0
E2
32
5
VCC
31
D8
6
GND
D8
30
D9
7
HWR
D9
29
C34
D10
0.22
8
RD
D10
28
25V
D11
F:CHIP
9
D11
27
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
C32
0.22
25V
F:CHIP
C33
0.22
25V
F:CHIP
5V
C36
0.1
25V
B:CHIP
20
Vcc
D15
2
A1
B1
18
D14
3
A2
B2
17
D13
A3
B3
4
16
D12
5
15
A4
B4
D11
6
A5
B5
14
D10
7
A6
B6
13
D9
8
A7
B7
12
D8
A8
B8
9
11
DIR G GND
1
19
10
IC20
SN74HC245ANS
BI-DIRECTION BUFFER
ICM-P4
ICM-P4
6
7
8
KEYDATA(0:4)
KEYEN(0:4)
RS
R/W ≠
E1
FL37
FL38
FL39
FL40
FL41
FL45
5V
E1
R226
4.7k
:CHIP
5V
FL42
R227
FL43
FL46
100
:CHIP
R/W ≠
FL44
R159
3.9
5V
1/2W
FL47
:FPRD
RS
R160
3.9
1/2W
:FPRD
8-9
8-9
9
10
TO P2
CN6
18P
1
DB7
2
DB6
3
DB5
4
DB4
5
DB3
6
DB2
7
DB1
8
DB0
9
E1
TO LCD
10
R/W
11
RS
FL48
12
VLC
13
VSS
14
VDD
FL50
15
E2
16
NC
17
VLED
FL51
FL49
18
VLEDG
R72
0
:CHIP
FL52
FL53
R73
0
ICM-P4
:CHIP
(MAIN BOARD)
B-SS7629<WW.>-ICM-P4
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