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Nov, 2001
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2
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CIRCUIT DIAGRAM (CPU PCB ASSY 3/3)
A
B
C
D
E
Q7
2SC1815GR
PULSE
PULSE
F
G
H
5VREF
I
C94
J
10uF16s
REF
K
L
M
N
O
P
Q
R
S
T
U
7
8
9
10
11
12
+5VD
R65
10I
8V
C90
100nFs
R66
0s
C91
33uF16s
4V
R67
R68
R70
C86
22
22
NIU
10uF16s
A
+5VD
D
R72
TXA
RXK
100Ks
TXK
RXA
2
C93
3
150pFs
2
1
Q8
C92
3
R73
2SC2235Y
NIU
R75
1
10Ks
NIU
R74
R76
NIU
100s
R79
R80
D
1_8
1_8
A
R78
100s
D
CN9
22FE_ST_VK_N
VREF
22
BEND
21
MOD
20
DATA
19
GNDREF
18
17
RRW0
16
RRW1
15
RRW2
14
RRW7
13
CL3
To Left Control Board
12
Y0
11
Y1
10
Y2
9
Y4
8
Y5
7
6
SSD0
5
SSD1
4
SSD2
3
HLD
2
1
D
SSC0
SSC0
SSC1
SSC1
SSC2
SSC2
SSC3
SSC3
SSD0
SSD0
SSD1
SSD1
SSD2
SSD2
SSD3
SSD3
LLD0
LLD0
LLD1
LLD1
LLD2
LLD2
HLD
LLD3
HLD
LLD3
DATA
LLD4
DATA
LLD4
BEND
LLD5
BEND
LLD5
MOD
LLD6
MOD
LLD6
LLD7
LLD7
13
14
15
16
17
18
19
IC20C
UPC4570G
-
8V
C87
10uF16s
R71
0s
C88
100nFs
A
IC20A
UPC4570G
R95
NIU
2
1
BEAM
3
-
R96
0s
R77
RW0
330I
R81
RW1
RXK
RXK
RXA
330I
RXA
TXK
TXK
R82
TXA
TXA
RW2
GND
R97
330I
0s
A
R83
RW3
R98
NIU
330I
D
R84
RW4
330I
R85
(CN3)
RW5
330I
R86
RW6
330I
R87
RW7
330I
SSC3
LLD0
RW0
1
18
I0
O0
LLD1
RW1
2
17
I1
O1
LLD2
RW2
3
16
I2
O2
LLD3
RW3
R88
4
15
I3
O3
LLD4
RW4
NIU
5
14
I4
O4
LLD5
6
13
RW5
I5
O5
LLD6
7
12
RW6
I6
O6
LLD7
RW7
8
11
I7
O7
IC22
TD62583AP
D
20
21
22
23
24
25
8V
R64
10Ks
D12
DA204K
6
7
3
5
-
R69
IC20B
10Ks
C89
UPC4570G
10uF16s
C100
A
100nFs
RRW0
CN6
28FE_ST_VK_N
RRW1
SSD0
1
SSD1
2
SSD2
3
SSD3
4
RRW2
Y0
5
Y1
6
Y2
7
Y3
8
Y4
9
RRW3
Y5
10
RRW0
11
RRW1
12
RRW2
13
RRW3
To Right Control Board
14
RRW4
RRW4
15
RRW5
16
RRW6
17
RRW7
18
CL0
19
RRW5
CL1
20
CL2
21
CL3
22
CL4
23
RXK
24
RRW6
RXA
25
GND
26
TXK
27
TXA
28
RRW7
+5VD
3
C95
10uF16s
IC21
D
74HC138P
SSC0
1
15
Y0
Y0
A
Y0
SSC1
Y1
Y1
2
14
3
B
Y1
SSC2
Y2
Y2
3
13
C
Y2
Y3
Y3
12
Y3
Y4
Y4
11
Y4
Y5
6
10
G1
Y5
4
9
G2A
Y6
5
7
G2B
Y7
3
D
+5VD
3
C96
D
100nFs
3
AX-7
26
27
28
29
30
4V
R91
0s
C85
10uF16s
(CN3)
1
Q9
RN2227
2
CL0
1
Q10
RN2227
2
CL1
1
Q11
RN2227
2
CL2
1
Q12
RN2227
2
CL3
1
Q13
RN2227
2
CL4
13
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