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Yamaha AVR-S80 Service Manual page 47

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A
B
1
I AVR-S80 PRINTED CIRCUIT BOARD (Foil side)
MAIN (1) P. C. B.
(Surface Mount Device)
2
3
4
5
1
30
31
50
51
6
7
C
D
4
1
1
10
5
8
4
1
20
11
4
1
5
8
5
8
4
1
1
10
5
8
4
1
20
11
5
8
4
1
5
8
4
1
20
11
5
8
1
10
100
81
80
E
F
G
H
Circuit No.
C160
J100, J101
R20
R157
SW1
W2
X: NOT USED
O: USED / APPLICABLE
• Semiconductor Location
Ref. No. Location
Ref. No. Location
D1
C5
D21
F3
D2
C6
D22
D4
D3
D6
D23
D4
D4
C6
IC1
B6
D6
D6
IC4
C2
D7
C6
IC25
C2
D8
G3
IC26
C3
D9
C7
IC27
E4
D10
D7
IC28
D5
D11
D6
IC29
C3
D12
D6
IC30
D3
I
J
AVR-S80/NX-SW80
J
U, C
A, B, G R, T, K
O
X
X
X
O
O
O
X
X
O
O
X
X
O
X
X
X
X
X
O
X
X
X
O
Ref. No. Location
Ref. No. Location
IC31
D3
Q12
D5
IC32
D3
Q13
D5
IC34
D2
Q14
E3
IC35
D3
Q15
F3
IC36
D3
Q16
E2
Q1
C6
Q17
E2
Q2
D6
Q18
E2
Q4
D6
Q19
E2
Q6
D6
Q20
F2
Q7
D6
Q21
F2
Q8
E3
Q22
D7
47

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