Schematic Diagram - Bias Board - Sony STR-DA1ES Service Manual

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