Schematic Diagram - Main Board (3/3) - Sony STR DA2400ES - 7.1 Channel Home Theater AV Receiver Service Manual

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