Printed Circuit Board - Yamaha AV-S77 Service Manual

A B
AV-S77
1
I AV-S77C PRINTED CIRCUIT BOARD (Component side)
From OPERATION
2
• Semiconductor Location
Ref. No. Location
D1 C5
D2 D5
D3 I3
D4 I3
D5 E5
D6 E5
3
D7 E5
D8 E5
D9 E5
D10 E5
D11 E4
D12 E5
IC1 C5
IC2 C5
IC3 C5
IC4 C4
IC6 D5
4
IC7 C3
IC8 E3
IC9 E5
IC10 E4
IC11 D4
IC12 E4
IC14 D4
IC15 D5
Q1 C5
Q2 C5
5
6
7
36
C D
(Lead Type Device)
DSP P. C. B.
OPTICAL 2 OPTICAL 1
DIGITAL INPUT
E F
From MAIN
37
G H
(Surface Mount Device)
DSP P. C. B.
I J