Yamaha R-S300 Service Manual page 49

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A
B
1
OPERATION (12) P.C.B.
2
U, C, A, G, L models
3
5
4
IC1
1
3
R model
4
5
OPERATION (14) P.C.B.
R model
6
7
C
D
(Side B)
(Side B)
E
F
G
OPERATION (13) P.C.B.
H
I
J
(Side B)
R model
• Semiconductor Location
Ref no. Location
Ref no. Location
D1
B4
D12
C2
D2
B3
D15
C4
D3
E5
D20
H3
D4
B2
D21
G3
D5
B3
D22
I4
D6
B3
D23
H4
D7
C3
IC1
B3
D8
C3
Q1
B2
D9
C3
Q2
B4
D10
D2
Q3
C3
D11
D2
Q9
B2
R-S300
49

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