Schematic Diagram - Bias Board - Sony STR-DA1ES Service Manual
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Also See for STR-DA1ES:
- Operating instructions manual (64 pages) ,
- Limited warranty (1 page) ,
- Operating instructions manual (84 pages)
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5-22. SCHEMATIC DIAGRAM – BIAS Board –
R532
R534
4.7k
10k
CN531
7P
BIAS+
Q531
2SC4495
BIAS
BIAS+
BIAS-
C531
R533
1k
BIAS-
16V
+PTrE
-PTrE
(Page 32)
SPOUT
R582
R584
4.7k
10k
CN581
Q581
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS-
C581
R583
1k
BIAS-
16V
+PTrE
-PTrE
(Page 32)
SPOUT
R482
R484
4.7k
10k
CN481
Q491
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS-
C481
R483
1k
BIAS-
16V
+PTrE
-PTrE
(Page 32)
SPOUT
R432
R434
4.7k
10k
CN431
Q431
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS-
C431
R433
1k
BIAS-
16V
+PTrE
-PTrE
(Page 32)
SPOUT
R632
R634
4.7k
10k
CN631
Q631
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS-
C631
R633
1k
BIAS-
16V
+PTrE
-PTrE
(Page 32)
SPOUT
R536
C532
R541
4.7k
220p
22k
Q533
2SA988
R535
R537
D532
6.2k
1.8k
1SS133T-72
47
Q532,533
C533
R539
0.01
CURRENT
15k
DETECT
Q532
C534
D531
R540
R542
2SA988
10
1SS133T-72
*
15k
50V
R538
68k
R586
C582
4.7k
220p
R591
22k
Q583
2SA988
R585
R587
6.2k
1.8k
C583
D582
0.01
1SS133
47
Q582,583
CURRENT
R589
DETECT
15k
Q582
C584
D581
R590
R592
2SA988
10
1SS133
∗
15k
50V
R588
68k
R486
C482
4.7k
220p
R491
22k
Q483
2SA988
R485
R487
6.2k
1.8k
C483
D482
0.01
1SS133
47
Q482,483
CURRENT
R489
DETECT
15k
Q482
C484
D481
R490
R492
2SA988
10
1SS133
∗
15k
50V
R488
68k
R436
C432
4.7k
220p
R441
22k
Q433
2SA988
R435
R437
6.2k
1.8k
C433
D432
0.01
1SS133
47
Q432,433
CURRENT
R439
DETECT
15k
C434
D431
R440
R442
10
1SS133
∗
15k
50V
Q432
2SA988
R438
68k
R636
C632
4.7k
220p
R641
22k
Q633
2SA988
R635
R637
6.2k
1.8k
C633
D632
0.01
1SS133
Q632,633
47
CURRENT
R639
DETECT
15k
Q632
C634
D631
R640
R642
2SA988
10
1SS133
∗
15k
50V
R638
68k
R543
47k
R544
47k
R545
22k
Q534
2SC1815
AF POWER
SENSOR
R593
47k
R594
47k
R595
22k
Q584
∗
R440,490,540,590,640
2SC1815
2k
(DA1ES)
AF POWER
1.8k
(DB780)
SENSOR
R493
47k
R494
47k
R495
D817
22k
1SS133
Q802,803,805
AF POWER
R807
PROTECTOR
10k
Q802
Q484
2SC2785
2SC1815
AF POWER
SENSOR
C805
D807
470
1SS133
6.3V
R443
D805
Q805
47k
1SS133
2SC1841
R444
47k
R445
22k
D808
1SS133
Q803
C807
2SA988
R805
R806
22
Q434
10k
22k
50V
2SC1815
AF POWER
SENSOR
R802
1k
R643
47k
R801
R803
22k
33k
R644
47k
C806
47p
R645
VCC
22k
COMP
JW800
Q634
2SC1815
R811
AF POWER
470k
SENSOR
D806
1SS133
R810
Q804
10k
BA1F4M
OVER LOAD
DETECTOR
ADD
VEE
C808
47p
R804
10k
35
35
CN810
6P
LIMITER
PROTECT
-B
GND
+15V
-15V
(Page 32)
IC803
M5218AP
OVER LOAD
DETECTOR
The components identified by mark 0 or dotted
Les composants identifiés par une marque 0 sont
line with mark 0 are critical for safety.
critiques pour la sécurité. Ne les remplacer que
Replace only with part number specified.
par une pièce portant le numéro spécifié.
STR-DA1ES/DB780
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