Panasonic SA-AK220GCP Service Manual page 56

SA-AK220GCP
SCHEMATIC DIAGRAM - 7
MAIN CIRCUIT
R355
10K
R356
10K
R314
4.7K
R313
Q302
4.7K
Q302
B1ABCF000131
INTERFACE DRIVER
: +B SIGNAL LINE
R358
10K
R359 4.7K
R360
4.7K
R315
Q303
8.2K
B1ABCF000131
SWITCH
R320
0
R318
8.2K
R399
10K
D405
R453
MA2J72800L
1K
R476
C450
33K
50V0.22
D404
B0ADCC000002
16V10
C338
R351
0.01
220
R471
R472 C298
330K
2.7K 16V33
C452
50V1
C451
R480
50V1
8.2K
Q409
R475 R469
100 82K
Q409
B1ABCF000131
SWITCH
R468
C497
1K
56
R353
8.2K
C339
R352
0.01
1K