Read Sharp R-8740 (serv.man17) Service Manual online
R-8740M - 41
Figure S-3. Printed Wiring Board
PRINTED WIRING BOARD DIAGRAM
6
1
1
1
6
2
1
2
WH - C
WH - A
WH - A
CN - C
6
(J3)
(R11)
(J5)
(J2)
7
8
9
8
9
10
R7
1
80
65
64
41
40
25
24
I - 1
R6
C90
C91
C30
C6
C5
C4
ZD2
D20
B
E
Q1
Q1
C1
C2
ZD1
C92
R92
R95
R93
R97
R68
R69
R69
R70
R71
R72
R71
R72
R73
R4
R5
R10
13
14
15
R74
R31
D30
D26
17
18
18
21
E
Q20
RY5
R9
22
D27
D23
D21
ZD3
MICRO
23
25
RY7
RY2
RY3
RY1
COM
UH
FM
CM
LH
(J1)
B
R30
R98
R75
R96
11
E
E
(Q83)
(Q82)
R84
R83
LD9
LD8
LD7
1
LD6
LD4
LD3
LD2
LD1
B
B
(J10)
B
BE
(Q80)
R81
R82
2
R8
I - 2
12
R94
R12
CF1
R90
PWR
VRS1
T1
P
1
3
5
7
9
11
86
4
1
RY6
RY4
AC
D25
D22
D24
PWR
FM
CM
LH
CN - A
F
(J9)
R40
R2
R1
16
CR60
C20
20
24
B
B
B
B
B
B
B
B
E
E
E
E
E
E
E
E
Q3
Q27
Q26
Q21
Q22
Q24
Q23
Q25
C21
19
C3
D4
D2
D1
D3
E
E
Q2
Q40
SP1
B
B
B
Q4
E
CN - G
CN - B
CN - D
1
12
1
1
2
3
(J7)
C7
(J6)
(J8)
(J4)
3
4
5
(Q81)
E
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