Schematic Diagram - Bias/Mix Boards - Sony STR-DA2ES Service Manual

6-26. SCHEMATIC DIAGRAM – BIAS/MIX Boards – •
R532 R534
4.7k 10k
CN531
7P
BIAS+
Q531
2SC4495
BIAS
BIAS+
BIAS- C531
R533
47
1k
BIAS- 16V
+PTrE
-PTrE
(Page
SPOUT
36)
R582 R584
4.7k 10k
CN581
Q581
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS- C581
R583
47
1k
BIAS- 16V
+PTrE
-PTrE
(Page
SPOUT
36)
R482 R484
4.7k 10k
CN481
Q491
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS- C481
R483
47
1k
BIAS- 16V
+PTrE
-PTrE
(Page
SPOUT
36)
R432 R434
4.7k 10k
CN431
Q431
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS- C431
R433
47
1k
BIAS- 16V
+PTrE
-PTrE
(Page
SPOUT
36)
R632 R634
4.7k 10k
CN631
Q631
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS- C631
R633
47
1k
BIAS- 16V
+PTrE
-PTrE
(Page
SPOUT
36)
R682 R684
4.7k 10k
CN681
Q681
7P
2SC4495
BIAS+
BIAS
BIAS+
BIAS- C681
R683
47
1k
BIAS- 16V
+PTrE
-PTrE
(Page
SPOUT
36)
See page 50 for IC Block Diagram.
R536 C532 R541 R543
4.7k 220p 22k 47k
Q533 R544
2SA988 47k
R545
R535 R537 D532 22k
6.2k 1.8k 1SS133T-72
Q534
2SC1815
Q532,533 C533
AF POWER
R539 0.01
CURRENT
15k SENSOR
DETECT
Q532 C534
D531 R540 R542
2SA988 10
1SS133T-72 ∗ 15k
50V
R538 R593
68k 47k
R586 C582
4.7k 220p
R591 R594
22k 47k
Q583
2SA988
R595
22k
R585 R587
6.2k 1.8k C583 D582
0.01 1SS133
Q584
Q582,583
2SC1815
CURRENT
AF POWER
R589
DETECT
15k SENSOR
Q582 C584
D581 R590 R592
2SA988 10
∗
1SS133 15k
50V
R588 R493
68k 47k
R486 C482
4.7k 220p
R491 R494
22k 47k
Q483
2SA988
R495
22k
R485 R487
6.2k 1.8k C483 D482
0.01 1SS133
Q484
Q482,483
2SC1815
CURRENT
AF POWER
R489
DETECT
15k SENSOR
Q482 C484
D481 R490 R492
2SA988 10
1SS133 ∗ 15k
50V
R488 R443
68k 47k
R436 C432
4.7k 220p
R441 R444
22k 47k
Q433
2SA988
R445
22k
R435 R437
6.2k 1.8k C433 D432
0.01 1SS133
Q434
Q432,433
2SC1815
CURRENT
AF POWER
R439
DETECT
15k SENSOR
C434
D431 R440 R442
10
1SS133 ∗ 15k
50V
Q432
2SA988
R438 R643
68k 47k
R636 C632
4.7k 220p
R641 R644
22k 47k
Q633
2SA988
R645
22k
R635 R637
6.2k 1.8k C633 D632
0.01 1SS133
Q634
Q632,633
2SC1815
CURRENT
AF POWER
R639
DETECT
SENSOR
15k
Q632 C634
D631 R640 R642
2SA988 10
1SS133 ∗ 15k
50V
R638 R693
68k 47k
R686 C682
4.7k 220p
R691 R695
22k 22k
Q683
2SA988
R694
47k
R685 R687 C683 D682
6.2k 1.8k 0.01 1SS133
Q684
2SC1815
Q682,683
AF POWER
CURRENT
R689 SENSOR
DETECT
15k
Q682 C684
D681 R690 R692
2SA988 10
1SS133 ∗ 15k
50V
R688
68k
∗ R440,490,540,590,640,690
3.3k (DA2ES)
2.2K (DB1080)
D817
1SS133
Q802,803,805
AF POWER
R807
PROTECTOR
10k
Q802
2SC2785
C805
D807
470
1SS133
6.3V
D805 Q805
1SS133 2SC1841
D808
1SS133
Q803
C807
2SA988 R805 R806
22
10k 22k
50V
CN810
6P
LIMITER
PROTECT
R802
1k
-B
GND
+15V
R801 R803
22k 33k
-15V
C806
47p
VCC
COMP
JW800
R811
470k
D806
1SS133
R810
Q804
10k
BA1F4M
OVER LOAD
DETECTOR
ADD
VEE
IC803
M5218AP
R804
10k
OVER LOAD
DETECTOR
C808
47p
39 39
CN751
R752
13P
R.IN
R.OUT
AGND
L.OUT
R757
L.IN 33
WOOFER
AGND
CENTER
+15V
AUDIO SELECTOR
(Page 35) -15V
FUN LAT
IC751
TC9273F-012
DATA
C753
CLK
0.01
R767
33
(Page 36)
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-DA2ES/DB1080
R755
10k
R756
10k
VCC
BUFFER
IC752
VEE
M5218AP-22
C755
22
50V
R754
10k
15k
R753 R759 C754
4.7k 15k 100p
R751 10k
L
R
R761
10k
R762 15k
R763 R769
4.7k 15k
R758
1k
R764
10k
C765
22
50V
VCC
BUFFER
IC753
VEE
M5218AP-22
R766
10k
R765
10k