Schematic Diagram - Main Board (2/3) - Sony STR-DA1000ES Service Manual

STR-DA1000ES/DB790
6-24. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
(2/3)
R632
2.7k
Q631
Z1
2SD1915
RV631 BIAS
1k
(Page 41)
R631
560
R482
2.7k
Q481
2SD1915
RV481 BIAS
1k
R481
560
R432
2.7k
Q431
2SD1915
RV431 BIAS
1k
R431
560
R612
100
C631
Q602 R582
47
MN2488 2.7k
16V
BOOSTER
Q581
C632 R636 2SD1915
220p 4.7k
BIAS
R614
RV581
0.22X2
1k
5W
Q633
2SA988
CURRENT
DETECT R635
6.2k
R581
560
R613
R637 Q603
100
1.8k MP1620
BOOSTER
R462
100
C481
R532
47 Q452
2.7k
16V MN2488
BOOSTER
C482 R486 Q531
220p 4.7k 2SD1915
BIAS
R464
RV531
0.22X2
1k
5W
Q483
2SA988
CURRENT
DETECT R531
R485
560
6.2k
R463 Q453
R487
100 MP1620
1.8k
BOOSTER
R412
100
C431
R682
47 Q402
2.7k
16V MN2488
BOOSTER
C432 R436 Q681
220p 4.7k 2SD1915
BIAS
R414
RV681
0.22X2
1k
5W
Q433
2SA988
CURRENT
DETECT
R435
6.2k
R681
560
R413 Q403
R437
100 MP1620
1.8k
BOOSTER
(Page 43)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
42 42
Z1
Z2
R562
100
C581 Q552
47 MN2488
16V
BOOSTER
Z3
C582 R586
220p 4.7k
R564
0.22X2
5W
Q583
2SA988
CURRENT
DETECT R585
6.2k
R563
R587 Q553
100
1.8k MP1620
BOOSTER
Y1
R512
100
C531
47 Q502
16V MN2488
BOOSTER
C532 R536
220p 4.7k
R514
0.22X2
5W
Q533
2SA988
CURRENT
DETECT
R535
6.2k
Z4
R513 Q503
R537
100 MP1620
1.8k
BOOSTER
Z5
Z6
R662
100
Z7
C681
47 Q652
16V MN2488 Y5
BOOSTER
C682 R686
220p 4.7k
R664
0.22X2
5W
Q683
2SA988
CURRENT
DETECT
R685
6.2k
R663 Q653
R687
100 MP1620
1.8k
BOOSTER
Y6
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
CN601
6P
GND
BIAS+
BIAS-
NF
GND
C
(Page 45)
CN501
12P
BIAS+
BIAS-
NF
GND
SR
GND
BIAS+
BIAS-
(Page 45)
NF
GND
SL
GND
CN582
2P
(FOR ADJUSTMENT)
CN632
2P
(FOR ADJUSTMENT)
CN482
2P
(FOR ADJUSTMENT)
(DA1000ES)
CN423
3P
(Page
+B
47)
-B
CN532
2P
(FOR ADJUSTMENT)
CN401
12P
BIAS+
BIAS-
NF
GND
R
GND
BIAS+
BIAS-
NF
GND (Page 45)
L
CN651
10P
GND
BIAS+
BIAS-
NF
GND
JW131 SB(R)
GND
SBL
(Page 45)
GND
SHORT
CN682
2P
(FOR ADJUSTMENT)
CN432
2P
(FOR ADJUSTMENT)