
1
2
3
4
5
6
1
2
3
4
5
6
DSP CIRCUIT
SCHEMATIC DIAGRAM-25
: +B SIGNAL LINE
: -B SIGNAL LINE
: MAIN SIGNAL LINE
SL_A
C402
1
R408
56K
R416
56K
R411
2.2K
-VCC
+VCC
R413
2.2K
R487
1K
Q402
B1GFGCAA0001
MUTING SWITCH
R414
56K
R432
1K
R469
56K
R482
1.8K
R410
56K
R406
4.7K
C410
1
R431
3.3K
Q403
B1GFGCAA0001
MUTING SWITCH
Q407
KRA110STA
MUTING SWITCH
C0ABCB000040
QUAD OP AMP IC
IC501
KIA4558FEL
DUAL OP AMP IC
C458
16V10
R474
22K
R427
3.3K
R454
22K
C415
50V0.47
R429
10K
R448
100K
C417
16V10
R428
3.3K
C416
50V0.47
R488
1K
C459
16V10
C434
33P
C433
100P
C450
100P
C429
1000P
C435
100P
C451
33P
C437
1
CENTER
+7.5V
-7.5V
R451
33K
C430
16V10
C438
1
C452
0.1
C453
0.033
R475
3.3K
R480
33K
C504
1
R508
6.8K
C508
50V0.1
C505
100P
C506
33P
R503
47K
R504
1K
C502
50V0.47
R505
3.9K
+7.5V
C503
1
R403
3.3K
R462
27K
C401
16V10
C445
50V4.7
MUTE_C
R470
56K
R483
10K
Q408
KRA110STA
SWITCH(CF ON/OFF)
R463
27K
C446
50V4.7
CF_ON_OFF
R510
1K
W118
0
W1
15
0
R511
1K
R493
33K
C494
820P
1
2
13
14
3
12
4
11
5
10
6
9
7
8
1
2
7
8
3
6
4
5