Schematic Diagram - Main Board (3/3) - Sony STR DA2400ES - 7.1 Channel Home Theater AV Receiver Service Manual
Multi channel av receiver.
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6-22. SCHEMATIC DIAGRAM - MAIN Board (3/3) -
1
2
3
A
B
MAIN BOARD (3/3)
C
(Page 48)
W
W450
L-CH
W600
MAIN
R-CH
BOARD
(2/3)
CN604
W400
C
D
AC
W550
0
SL
Q477
W500
2SC3052EF-T1-LEF
SR
AF POWER SENSOR
SUR SPEAKER
W650
BOARD
SBL
CN1502
W700
SBR
C476
(Page 69)
0.01
R482
22k
E
Q475
2SA1163L-TE85L
0
C475
0
220p
R477
F
4.7k
Q473
MN2488-OPY-MK
BOOSTER
B
C
1
2
G
R478
R473
0.22
100
5W
R472
2.2k
H
R471
82k
1.1
C471
47
25V
I
C473
33p
500V
J
91
92
93
20
94
95
MAIN
96
BOARD
(1/3)
97
(Page 47)
98
K
99
100
101
102
103
23
104
L
105
MAIN
106
BOARD
(2/3)
107
(Page 48)
108
109
110
M
N
STR-DA2400ES/DG920
4
5
6
7
8
for BIAS
for BIAS
RESISTOR CHECK
RESISTOR CHECK
(to CN6103 (A-CLASS SUPPORT A board))
(to CN6103 (A-CLASS SUPPORT A board))
CN4016
2P
C477
C427
10
10
50V
50V
0.3
0.3
0
Q427
2SC3052EF-T1-LEF
AF POWER SENSOR
D475
D425
MA2J1110GLS0
C426
MA2J1110GLS0
0.01
Q476
R432
Q426
-44.4
-44.4
2SA1163L-TE85L
22k
2SA1163L-TE85L
0
0
Q425
2SA1163L-TE85L
R479
R429
-0.1
-0.1
-0.1
1.5k
0
-0.1
1.5k
C425
0
Q475, 476
Q425, 426
220p
CURRENT DETECT
CURRENT DETECT
R476
R427
R426
4.7k
6.2k
6.2k
Q474
Q423
Q424
MP1620-OPY-MK
MN2488-OPY-MK
MP1620-OPY-MK
BOOSTER
BOOSTER
BOOSTER
E
E
C
B
B
C
E
E
C
B
3
1
2
3
3
2
1
3
2
1
R428
R475
R423
0.22
R425
100
100
5W
100
JS470
JS400
R470
R422
R420
∗
∗
2.2k
RV470
RV400
220
220
R421
-0.6
-0.6
82k
0.5
-1.1
0.5
-1.1
Q472
Q422
2SC3623ATP-LK
2SC3623ATP-LK
0.5
0.5
-1.1
1.1
-1.1
C421
Q471
Q421
47
25V
2SA1115TP-EF
2SA1115TP-EF
Q471, 472
Q421, 422
BIAS
C474
C429
BIAS
C424
33p
33p
33p
500V
500V
500V
RV400, 470, 500, 570, 600, 670, 700
BIAS ALIGNMENT
CN401
13P
AD
(Page 51)
9
10
11
12
for BIAS
RESISTOR CHECK
(to CN6101 (A-CLASS SUPPORT B board))
(to CN6103 (A-CLASS SUPPORT A board))
CN4017
CN4018
2P
2P
C677
C627
10
10
50V
50V
0.3
0.3
0
0
Q677
Q627
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
AF POWER SENSOR
AF POWER SENSOR
D675
D625
C676
MA2J1110GLS0
C626
MA2J1110GLS0
0.01
0.01
Q676
Q626
R682
R632
-44.4
-44.4
2SA1163L-TE85L
2SA1163L-TE85L
22k
22k
0
0
Q675
Q625
2SA1163L-TE85L
2SA1163L-TE85L
R679
R629
-0.1
-0.1
0
-0.1
1.5k
0
-0.1
1.5k
C675
C625
0
0
Q675, 676
Q625, 626
220p
220p
CURRENT DETECT
CURRENT DETECT
R677
R627
R676
R626
4.7k
4.7k
6.2k
6.2k
Q673
Q674
Q623
Q624
MN2488-OPY-MK
MP1620-OPY-MK
MN2488-OPY-MK
MP1620-OPY-MK
BOOSTER
BOOSTER
BOOSTER
BOOSTER
B
C
E
E
C
B
B
C
E
E
C
B
1
2
3
1
2
3
3
2
1
3
2
1
R678
R616
R673
0.22
R675
R623
0.22
100
5W
100
5W
100
JS670
JS600
R672
R670
R622
∗
2.2k
2.2k
RV670
RV600
220
220
R671
R621
-0.6
-0.6
82k
82k
0.5
-1.1
0.5
-1.1
Q672
Q622
2SC3623ATP-LK
2SC3623ATP-LK
0.5
0.5
1.2
-1.1
1.2
-1.1
C671
C621
Q671
Q621
47
25V
47
25V
2SA1115TP-EF
2SA1115TP-EF
Q671, 672
Q621, 622
C673
BIAS
C674
C623
BIAS
33p
33p
33p
500V
500V
500V
∗
R420, 470, 520, 570, 620, 670, 720
470 (DA2400ES: AEP, ECE, UK)
560 (DA2400ES: US/DG920)
R220
R234
1
1
CN671
13P
ACLASS
AE
ACLASS
BOARD
BOARD
CN711
CN511
(Page 51)
49
49
13
14
15
16
(DA2400ES: AEP, ECE, UK)
for BIAS
for BIAS
RESISTOR CHECK
RESISTOR CHECK
(to CN6101 (A-CLASS SUPPORT B board))
CN4019
CN4020
2P
2P
C527
C577
10
10
50V
50V
0.3
0.3
0
0
Q527
Q577
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
AF POWER SENSOR
AF POWER SENSOR
D525
C526
MA2J1110GLS0
C576
MA2J1110GLS0
0.01
0.01
Q530
Q576
R532
R582
-44.4
2SA1163L-TE85L
2SA1163L-TE85L
22k
22k
0
Q525
Q575
2SA1163L-TE85L
2SA1163L-TE85L
-0.1
0
-0.1
0
-0.1
R529
1.5k
C525
C575
0
0
Q525, 530
220p
220p
CURRENT DETECT
R527
R526
R577
R576
4.7k
4.7k
6.2k
6.2k
Q523
Q524
Q573
MN2488-OPY-MK
MP1620-OPY-MK
MN2488-OPY-MK
BOOSTER
BOOSTER
BOOSTER
B
C
E
E
C
B
B
C
E
1
2
3
1
2
3
3
2
1
R523
R528
R525
R573
R578
R625
100
0.22
100
100
0.22
100
5W
5W
JS500
R620
R522
R520
R572
∗
∗
2.2k
2.2k
RV500
220
R521
R571
-0.6
-0.6
82k
82k
0.5
-1.1
0.5
Q522
2SC3623ATP-LK
0.5
0.5
1.2
-1.1
1.2
C521
C571
Q521
Q571
47
25V
47
25V
2SA1115TP-EF
2SA1115TP-EF
Q521, 522
Q571, 572
C624
C523
BIAS
C524
C573
BIAS
33p
33p
33p
33p
500V
500V
500V
500V
CN601
13P
AF
ACLASS
BOARD
CN611
(Page 51)
STR-DA2400ES/DG920
17
18
19
20
for BIAS
for BIAS
RESISTOR CHECK
RESISTOR CHECK
(to CN6103 (A-CLASS SUPPORT A board))
(to CN6101 (A-CLASS SUPPORT B board))
CN4021
CN4022
2P
2P
C727
10
50V
0.3
0
Q727
2SC3052EF-T1-LEF
AF POWER SENSOR
D575
D725
C726
MA2J1110GLS0
0.01
Q726
R732
-44.4
-44.4
2SA1163L-TE85L
22k
0
0
Q725
2SA1163L-TE85L
-0.1
-0.1
0
-0.1
R579
R729
1.5k
1.5k
C725
0
Q575, 576
Q725, 726
220p
CURRENT DETECT
CURRENT DETECT
R727
R726
4.7k
6.2k
Q574
Q723
Q724
MP1620-OPY-MK
MN2488-OPY-MK
MP1620-OPY-MK
BOOSTER
BOOSTER
BOOSTER
E
C
B
B
C
E
E
C
B
1
2
3
3
2
1
3
2
1
R575
R723
R728
R725
100
100
0.22
100
5W
JS570
JS700
R570
R722
R720
∗
∗
2.2k
RV570
RV700
220
220
R721
-0.6
82k
-1.1
0.5
-1.1
Q572
Q722
2SC3623ATP-LK
2SC3623ATP-LK
0.5
-1.1
1.1
-1.1
C771
Q721
47
25V
2SA1115TP-EF
Q721, 722
C574
C723
BIAS
C724
33p
33p
33p
500V
500V
500V
CN501
13P
AG
ACLASS
BOARD
CN411
(Page 51)
21
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Table of Contents
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