Yamaha AV-S77 Service Manual page 29

A B
1
I AV-S77C PRINTED CIRCUIT BOARD (Foil side)
(Lead Type Device 1/2)
MAIN P. C. B.
2
3
4
5
• Semiconductor Location
6
Ref. No. Location Ref. No. Location Ref. No.
D300 J5 D313 C2 IC312
D302 i4 D314 C5 IC313
D303 j4 D315 C5 IC314
D304 j4 D316 I5 IC315
D317 I5 IC316
D305 I4
D306 C3 IC304 G4
D308 C5 IC306 G5
D309 C3 IC308 I4
D310 B3 IC309 I4
7
D311 B3 IC310 E5
D312 C3 IC311 D3
C D
Location
F4
B5
B4
B5
F3
Q300 D3
Q302 D3
Q307 E4
Q308 C3
Q309 C4
E F
To DSP
30
G H
To OPERATION
I J
AV-S77
31