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4. Main Logic Board
4-1. Circuit Diagram
ZD2
RD4. 7JSB1
R25
10K
R120
10K
C134
0.1U
Q4
A1649
R119
10K
VP
Q5
A1388
R17
10K
R124
10K
DQ5
FA1A4P
VH
VCC
8
5
IC8
VCC
GND
CS
SK
DI
DO
1
2
3
4
93C46
R18
33
C9
33P
C126
33P
C127
100P
C8
33P
R19
10K
VCC
DQ6
FA1A4P
DQ7
FN1A4P
VCC
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
13
14
15
41
57
56
55
52
54
16
51
60
63
61
62
59
47
I/O1
I/O2
I/O3
I/O4
IN5
IN6
IN7
IN8
HDPWR
IN9
IN10
IN11
IN12
IN13
IN14
IN15
IN16
CD0
CD1
CD2
CD3
CD4
CD5
CD6
CD7
CSTB
ACK
BUSY
ERROR
SELECT
POUT
HDON
RD
WR
CE
RESET
CLK
INTCDT
INTSDT
RAMCS
PSOE
PSCE0
PSCE1
RFSH
UPD65622GF-TSP
SDATA
SCLK
HISTIN
LATCH
STB4
STB3
STB2
STB1
CUTON
CUTSW
OUT1
OUT2
OUT3
OUT4
A0
A1
A2
A3
A15
A17
D0
D1
D2
D3
D4
D5
D6
D7
VCC
VCC
TEST
PSSEL
GND
GND
GND
GND
49
50
46
48
42
43
44
45
40
39
38
37
36
35
69
68
67
66
65
64
79
78
77
76
75
74
73
70
34
72
80
58
12
33
53
71
A0
A1
A2
A3
A15
A17
D8
D9
D10
D11
D12
D13
D14
D15
R21
R20
R23
R22
33 × 4
C129 C131
C128 C130
33P × 4
FL4
TU02M
VCC
2
31
C135
0.1U
VCC
JPB2
JPA2
5P8128 :
5P832 :
Standard
JPB2=Cut, JPA2=Short
R130
4.7K
R131
4.7K
VCC
R129
4.7K
R134
4.7K
CN7
53014-1210
12
11
10
9
8
7
6
5
4
3
2
1
VCC
ER-LED
HU-LED
PO-LED
OL-LED
PSW
PSW2
PSW1
OL-SW
PF-SW
COPEN
GND
DQ3
FA1A4P
R16
1K
1/2W
DQ4
FN1A4P
VP
Q1
D2010
Q3
B1359
CN5
5483-04A-RED
4
3
2
1
VCC
1
RA1
10K × 4
2435
C123 C120
C121
100P × 3
VH
COM
COM
GND
SI
CLK
/LAT
/STB5
/STB3
/STB1
TH1
GND
GND
COM
1
3
5
7
9
11
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
26
COM
GND
GND
SO
GND
GND
VDD
/STB4
/STB2
TH2
GND
COM
COM
CN6
5332-265G1
(AOI : J080-85523)
VH
VCC
C122
100P
THERMAL HEAD BLOCK
R128
20K
R127
1K
VCC
EXPANDED I/O BLOCK
IC10
A
SIDE B
C