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SCHEMATIC DIAGRAM-25
DSP CIRCUIT
R487
1K
SR_A
SR
Q402
B1GFGCAA0001
MUTING SWITCH
6
1
R408
5
2
56K
4
3
SL
R416
56K
MUTE_S1
R451
33K
SUBW_A
C417
16V10
SUBW
+7.5V
C401
R403
16V10
3.3K
COUT
C402
1
R410
56K
R406
4.7K
C410
1
AA
R462
27K
-7.5V
C445
50V4.7
R469
56K
: +B SIGNAL LINE
: -B SIGNAL LINE
C458
16V10
C416
R428
50V0.47
3.3K
C415
R427
50V0.47
3.3K
R411
2.2K
R413
2.2K
W118
0
C494
R493
820P
33K
R429
10K
Q403
B1GFGCAA0001
MUTING SWITCH
6
1
5
2
4
3
R414
R432
56K
1K
R431
3.3K
Q407
KRA110STA
MUTING SWITCH
KRA110STA
R463
SWITCH(CF ON/OFF)
27K
C446
50V4.7
R470
56K
: MAIN SIGNAL LINE
C433
R454
100P
22K
C434
33P
8
9
10
11
12
7
6
5
4
C429
C435
1000P
100P
R448
100K
C438
C430
1
16V10
C453
0.033
R508
6.8K
R510
1K
4
IC501
KIA4558FEL
DUAL OP AMP IC
5
Q408
R482
1.8K
R483
10K
C437
1
C459
R474
22K
16V10
C450
100P
C451
33P
13
14
IC403
C0ABCB000040
QUAD OP AMP IC
3
2
1
R480
33K
C452
0.1
R475
3.3K
C508
50V0.1
C504
1
R511
1K
3
2
1
IC501
6
7
8
C506
33P
C502
R503
R504
50V0.47
47K
1K
C505
100P
+7.5V
R488
1K
SL_A
-7.5V
+7.5V
C503
1
CENTER
R505
3.9K
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