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52
52
HCD-WZ8D
4–25. Schematic Diagram – 4CH-VOL Board –
Q301
R333
R334
R335
R336
C307
C311
C312
C320
C324
C334
C357
C361
C362
C341
C344
C343
R313
R353
R363
R331
R312
R330
R362
R309
R310
R332
R359
R360
R306
R322
R356
R302
R352
R301
R307
R308
R311
R323
R351
R357
R358
R361
C302
C303
C342
C353
C352
C332
C333
C348
CN303
L341
C305
C306
C309
C321
C323
C355
C356
C358
C359
R337
R304
R354
R320
C370
C371
C372
C373
C374
C375
C376
C377
Q302
Q303
Q304
Q305
Q306
Q307
Q308
Q309
R370
R373
R376
R379
R382
R385
R388
R391
R372
R375
R378
R381
R384
R387
R390
R393
CN301
C345
C316
C366
R341
R342
C330
R305
R321
R355
C351
C301
C360
C310
C304
C354
C322
C325
R371
R374
R377
R380
R386
R383
R389
R392
R303
C308
JW305
C347
C346
C315
C365
C331
R319
R340
C337
CN302
J302
IC301
2SC3624A
2.2k
100k
1k
1k
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
100
16V
100
16V
1
50V
10k
10k
10k
1k
1M
1M
1M
2.2k
2.2k
2.2k
2.2k
2.2k
4.7k
4.7k
4.7k
470
470
47k
47k
47k
47k
47k
47k
47k
47k
47k
220p
B
220p
B
0.1
F
220p
B
220p
B
0.22
MF
0.1
MF
0.1
F
0.001
B
0.001
B
0.0022
B
0.001
B
0.001
B
0.001
B
0.001
B
0.001
B
0.0022
B
100k
10k
10k
10k
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
2SC3624A
2SC3624A
2SC3624A
2SC3624A
2SC3624A
2SC3624A
2SC3624A
2SC3624A
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
2.2k
1k
1k
1k
1k
1k
1k
1k
1k
470
16V
0.022
B
0.022
B
1k
1k
0.047
16V
B
1k
1k
1k
10
50V
10
50V
10
50V
10
50V
10 50V
10
50V
10
50V
10
50V
10k
10k
10k
10k
10k
10k
10k
10k
10k
0.001
B
0.1
0.1
10
50V
10
50V
10
50V
0
0
0.1
4P
M61530FP-D60G
*
*