Schematic Diagram – Main Board (2/3) - Sony STR-DA2100ES Service Manual

STR-DA2100ES
Q Q
3 7 6 3 1 5 1 5 0
6-21. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
(2/3)
POWER AMP
IC400
µPC2581
R400
22k
C403
10 50V
C-CH C464
33p
500V
C411 R411
4.7 1k
50V
C412 R412
100p 68k
C415 C465
C462 R462 3p 3p
100p 68k 500V 500V
SBL-CH R415
68k
R461
C461 R416 R466 R465
1k
4.7 2.2k 2.2k 68k
50V
C416 C466
220 220
10V 10V
POWER AMP
IC500
µPC2581
R500
22k
C503
10 50V
R-CH C564
33p
500V
C511 R511
4.7 1k
50V
C512 R512
T E 100p 68k
L 1 3 9 4 2 2 9 6 5 1 3
C562 R562 C565
C515
100p 68k 3p
3p
500V
500V
L-CH R515
68k
C561 R561 R516 R566 R565
4.7 1k 2.2k 2.2k 68k
50V
C516 C566
220 220
10V 10V
w w w
STR-DA2100ES
• See page 50 for IC Block Diagrams.
C425 R427
220p 4.7k
C423
Q421,422
33p
BIAS R421 R423 500V
82k 100
Q423
2SD2560
Q421
2SA1115 BOOSTER
R422
R429
2.2k
1.5k
R428
0.22
R424
R425 Q426
560
100 2SA988
R426
6.2k
C421
47 C424 Q424
25V 33p 2SB1647
500V
BOOSTER
C475 R477
220p 4.7k
C473
Q471,472
33p
BIAS 500V
R471 R473
82k 100
Q471 Q473
2SA1115 2SD2560
R472
2.2k R479
1.5k
R478
0.22
R475
100
R476 Q476
6.2k 2SA988
C471 R474
47 560 C474 Q474
25V 33p 2SB1647
500V
BOOSTER
C525 R527
220p 4.7k
C523
Q521,522 33p
500V
BIAS R521 R523
82k 100
Q523
Q521 2SD2560
2SA1115
BOOSTER
R522
2.2k R529
1.5k
R528
0.22
Q524
2SB1647
BOOSTER
R525
100
R526
Q526
6.2k
2SA988
C521 R524
47 560
C524
25V
33p
500V
C578 R577
220p 4.7k
Q571,572 C573
33p
BIAS
R571 R573 500V
82k 100
Q571 Q573
2SA1115 2SD2560
BOOSTER
R572
2.2k
R579
R578 1.5k
0.22
R575
R574 100
560
R576 Q576
6.2k 2SA988
C571
Q574
47 C575
2SB1647
25V 33p
500V BOOSTER
(Page 35)
x a o
y
. i
http://www.xiaoyu163.com
R435 47k
Q425,426
CURRENT DETECT R436 22k
Q425 R432 C426 D425
2SA988 33k 0.01 1SS133T
Q427
2SC1815
R446 C427
R434
4.7k 10 AF POWER
R433 15k
50V
15k SENSOR
D426
1SS133T L401
R431
10
R439
4.7
C431 R437
0.1 47k
C432
0.047
R430
100k
R485
Q475,476
47k
CURRENT DETECT
Q475 C476 D475
2SA988 0.01 1SS133T R486
22k
Q477
R482
2SC1815
33k R496 R484 C477
R483 4.7k 15k 10 AF POWER
15k 50V
SENSOR
D476
1SS133T L451
R481
10
R489
4.7
R487
C481
47k
0.1
C482
0.047
R480
100k
Q525,526 R535
47k
CURRENT DETECT
Q525
2SA988
R532 C526 D525
33k 0.01 1SS133T R536
22k
Q527
C527
2SC1815
R546 R534 10
R533 4.7k 15k 50V AF POWER
15k
SENSOR
D526 L501
Q Q
1SS133T
3 7 6
R531
10
R539
4.7
C531 R537
0.1 47k
C532
0.047
R530
100k
Q575,576 R585
47k
CURRENT DETECT
Q575 R582 C576 D575
2SA988 33k 0.01 1SS133T R586
22k
Q577
C577
2SC1815
R596 R584 10
R583 4.7k 15k 50V AF POWER
15k
SENSOR
D576
1SS133T L551
R581
10
R587 R589
47k 4.7
C581
0.1
C582
0.047
R580
100k
u 1 6 3
34 34
http://www.xiaoyu163.com
2 4
8 9 9
RY600
Q600
2SC2785
RELAY DRIVE
R605
4.7k D600 R606
REAR-RY
1SS133T 56
RY400
Q400
2SC2785
RELAY DRIVE
R405
4.7k D400 R406
1SS133T 56
3 1 5 1 5 0 8 9 2
RY700
Q700
2SC2785
RELAY DRIVE
D700 R706
CENT-RY
1SS133T 56
R705
4.7k
m
c o
.
2
8 9 9
CN400
CN500
CN550
CN301
3P
L
R
C
CN851
4P
L
GND
GND
R
(Page 37)
TM601
(CHASSIS)
CENTER
(CHASSIS)
TM602
SPEAKER
L L
SURROUND
4 9 8 2 9 9
SURROUND BACK
(2ND ZONE)
R R
(CHASSIS)
CN700
CN450
CN650
CN600
SR
SL
SBL
SBR
CN300
4P