Service manual

FO-4700U
FO-47UC
Control PWB parts layout (Top side)
CNPW
12
1
IC34
14
8 7
1
IC30
8
5
IC37
45 31
1
1
4
IC23
100
81
80
51
50
31
30
IC29
14 8
71
IC28
14 8
17
CNPRT
2
4
1
3
30
28
29
27
IC33
58 41
IC31
14 8
17
CNLIU
1912
IC24
50
51 30
31
1
100
81
80
IC38
8
71
14
IC40
IC17
1
80
81
120
121
160
1
40
41
IC25
16 9
18
IC26
14 8
17
IC27
75
76 100
51
1
25
26 50
IC22
14 8
71
CNOP
25
24
26
27
1
2
50
48
IC16
21
1
42
22
IC21
16 1
3217
3217
116
IC10
120 81
80
121 160
41
40
1
IC3
24
112
13
IC442
1
22 21
IC9
421
21 22
IC19
814
814
17
17
IC14
IC15
IC35
14 814
14
8
8
171
1
7
7
IC13
IC20IC18
10
1
10
1
11
20
11
20
IC12
60
61 80
1
41
40 21
IC41
1
IC6
32 17
16
1
6449
48
IC1
114
87
IC5
1
1
14
7
8
IC11
41
58
12
CNSP[RED]
CNSEN
8
CNCIS
10 1
CNPN
23
1
1
14
2
2
CNSTP[WHITE]
CNTXM
IC8
16 9
81
15 14
IC7
28 1
IC2
8 14
5
C13
D5
A K
R3
BT1
C12
C11C10
X6
DG
X5
C8
C7
C9
NMI
C5 C6
X4
2
1
39
40
CNPCIF
20
19
21
22
RA11 RA12 RA13 RA8
CA14CA12
CA13
CA11
CA7CA6
IC36
CA8
CA9
CA10
RA10
RA9
RA7
RA6
RA5
RA3RA4
X3
RA1 RA2
X2
20
X1
C4
33
C3
C1
24
CA1
RA15
RA14
R1
Q1
EB
D1
D2
D3
D4
K
K
K
K
A
A
A
A
R2
DG
C2
6 – 17