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SA-XR70E / SA-XR70EB / SA-XR70EG
SCHEMATIC DIAGRAM - 26
INPUT CIRCUIT
C459
R465
R467
25V10
8.2K
4.7K
C461
330P
5
6
C458
IC452
0.1
C0ABBB000102
OP AMP IC
JA72
0
4
3
R466
C460
8.2K
25V10
C475
R489
R491
25V10
8.2K
4.7K
C477
330P
5
6
IC455
C0ABBB000102
C474
0.1
OP AMP IC
4
3
R490
C476
8.2K
25V10
C491
R513
R515
25V47
8.2K
4.7K
C513
C493
330P
100P
5
6
IC458
C0ABBB000102
C490
0.1
OP AMP IC
4
3
C514
330P
R514
C492
8.2K
25V47
: +B SIGNAL LINE
: -B SIGNAL LINE
R469
10K
C463
R470
C464
0.1
10K
25V10
7
8
JA71
0
2
1
C462
330P
R468
4.7K
R493
10K
7
8
C479
R494
C480
0.1
10K
25V10
JA69
0
1
2
C478
330P
R492
4.7K
R517
10K
7
8
C495
R518
C496
0.1
10K
25V10
2
1
C494
100P
R516
4.7K
: MAIN SIGNAL LINE
JA57
0
AD_SWIN-
R471
R473
10K
10K
C465
150P
AD_SWIN+
5
6
7
8
IC453
C0ABBB000102
OP AMP IC
4
3
2
1
AD_CIN+
C466
150P
R474
R472
10K
10K
AD_CIN-
JA62
0
AD_SRIN-
R495
R497
10K
10K
C481
150P
AD_SRIN+
5
6
7
8
IC456
C0ABBB000102
OP AMP IC
C540
16V47
1
4
3
2
JA56
0
AD_SLIN+
C482
150P
R496
R498
10K
10K
AD_SLIN-
JA38
0
AD_LIN-
R519
R521
10K
10K
C519
C497
47P
47P
AD_LIN+
5
7
6
8
IC459
C0ABBB000102
OP AMP IC
1
4
3
2
AD_RIN+
C498
47P
R520
R522
10K
10K
AD_RIN-
C520
47P
72
12
AD_SRIN-
11
AD_SRIN+
10
9
AD_SLIN-
TO
8
AD_SLIN+
DSP CIRCUIT
7
(CN1004) ON
6
SCHEMATIC
AD_SWIN-
5
DIAGRAM - 3
AD_SWIN+
4
3
AD_CIN-
2
AD_CIN+
1
W1004
R546
4.7
AD_RIN-
6
AD_RIN+
TO
R549
5
4.7
DSP CIRCUIT
4
(CN1001) ON
3
SCHEMATIC
AD_LIN-
DIAGRAM - 3
2
AD_LIN+
1
W1001
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