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HCD-GN800
47
47
7-18. SCHEMATIC DIAGRAM – SUBWOOFER Boards –
C301
C358
EP301
D381
D391
C310
C311
R328
R327
C313
CN305
R301
C316
R311
R361
R304
R354
R397
R396
R387
D581
R321
R322
R323
R324
R325
R313
Q385
R399
RY381
Q302
R326
C315
R390
R314
C314
C307
R310
R360
C357
C356
R359
D351
R358
D301
R309
R308
R307
C306
R305
R357
R356
R381
R382
L381
L382
R331
R332
R320
R353
C354
C304
R303
R302
R352
C352
C302
C303
C353
R319
C318
C308
CN303
IC301
Q381
JW332
Q351
Q301
Q304
Q303
Q384
NO301
JW330
JW327
4.7
50V
100
100V
GROUND PLATE
1SS133T
1SS133T
8.2p
8.2p
33k
22k
4.7
50V
5P
1k
0.1
100
1/4W
FR
100
1/4W
FR
47k
47k
1k
22k
820 2W
1SS133T-72
10k
10k
22k
2.2k
100k
1k
2SC2785TP
1k
2SC2785TP-FEK
47k
47
50V
10k
47k
4.7
50V
0.1
10
1/2W
10
1/2W
0.1
0.1
100k
1SS133T
15k
1SS133T
100k
15k
1k
0.1
0.22
5W
1k
0.22
5W
10
1/2W
10
1/2W
AIR COIL
AIR COIL
47k
56k
1
1/4W
FR
1.5k
100
10V
100
10V
1.5k
47k
47k
0.01
0.33
100p
100p
20k
100
50V
100 100V
8P
STK442-120
SUBWOOFER AMP
2SA1175TP
2SC2785TP
OVER LOAD
DETECT
2SC2785TP
OVER LOAD
DETECT
2SC2785TP-FEK
SWITCH
2SA988TP
-PAFAEA
BA1F4M-TP
3P
PROTECT
DC DETECT
OVERLOAD DETECT
+VL
GND
-VL
WOOFER RELAY
(CHASSIS)
RELAY DRIVE
SUBWOOFER
PROTECT
STANDBY
SWITCH
STANDBY
SWITCH
RELAY DRIVE
SUBWOOFER
PROTECT