JBL GX-A604, Service Manual

Page: 16 / 18

1 2 3 4 5 6 7 8
A
B
C
D
8 7 6 5 4 3 2 1
D
C
B
A
R331
2K
R344
1K
C337
47uF/25V
Q303
2SC1815
R335
47R
R339
6K8
+AMP
R334
47R
Q302
2SC1815
Q305
2SA1015
Q304
2SA1015
R337
47R
R336
47R
R338
6K8
-AMP
Q309
2SD669
Q308
MPSA13
C335
104M
R347
3K3
R348
5K6
Q306
2N5401
Q307
2N5551
C331
100P
R346
47R
R349
47R
C332
100P
R356
680R
D301
4148
R359
4K7
Q313
2SC1815
C336
104
D303
1N4148
PROT
Q310
2SB649
R357
680R
D302
4148
R360
4K7
R358
4R7/0.25W
C358
NC
C333
10P
R345
15K
R370
1K
R368
10K
R369
1K
R366
4K7
R431
2K
R444
1K
C437
47uF/25V
B
C
E
Q403
2SC1815
R435
47R
R439
6K8
R434
47R
Q402
2SC1815
E
C
B
Q405
2SA1015
Q404
2SA1015
R437
47R
R436
47R
R438
6K8
Q409
2SD669
Q408
MPSA13
C435
104M
R447
3K3
R448
5K6
Q406
2N5401
B
C
E
Q407
2N5551
C431
100P
R446
47R
R449
47R
C432
100P
R456
680R
D401
4148
R459
4K7
Q413
2SC1815
C436
104
A K
D403
1N4148
Q410
2SB649
R457
680R
A
K
D402
4148
R460
4K7
R458
4R7/0.25W
C458
NC
C433
10P
R445
15K
+VCC
R470
1K
R468
10K
R469
1K
R466
4K7
RL+out
RR-out
C491
10uF/50V
C391
10uF/50V
-VCC
Q311
D718
Q411
D718
Q102P
2SC1815
Q103P
2SC1815
R158P
5.6K
C142P
220uF/25V
D101P
IN4148
PROT
R332
82K
R132
82K
R232
82K
R432
82K
R340
220R
R440
220R
R23
84.5K
R24
84.5K
C22
220U/25V
R30
6.8K
D25
1N4148
Q17A
2SC1815
Q16
2SC1815
D9
1N4148
R23A
84.5K
R24A
84.5K
FL+out
FR-out
RR-out
RL+out
C17
104P
C18
104P
Q312
B688
E
C
B
Q412
B688
4
3
2
1
JK1A
120903000119
PROT
C331A
100P
C332A
100P
C432A
100P
C431A
100P
C4
122P
C3
122P
GX-A604
RR-SG
RL+SG
-A
M
P
+AMP
PROT
-VCC
+VCC
FR-out
FL+out
R1P
10K
R2P
0R
PROT
-VCC
+VCC
FR-out
FL+out
RR-SG
RL+SG
-A
M
P
+A
M
P
R355
0.15R/10W
R455
0.15R/10W
R40
6.2K