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STR-DA2100ES
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
100p
68k
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
STR-DA2100ES
• See page 50 for IC Block Diagrams.
C425
R427
Q425,426
220p
4.7k
CURRENT DETECT
C423
Q421,422
33p
Q425
BIAS
R421
R423
500V
2SA988
82k
100
Q423
2SD2560
Q421
R433
2SA1115
BOOSTER
15k
R422
R429
2.2k
1.5k
R428
0.22
R431
C431
0.1
R424
R425
Q426
560
100
2SA988
R426
C432
6.2k
0.047
C421
R430
47
C424
Q424
100k
25V
33p
2SB1647
500V
BOOSTER
Q475,476
C475
R477
220p
4.7k
CURRENT DETECT
C473
Q471,472
33p
Q475
BIAS
500V
R471
R473
2SA988
82k
100
R482
Q471
Q473
2SA1115
2SD2560
R483
15k
R472
2.2k
R479
1.5k
R478
0.22
R481
C481
0.1
R475
100
R476
Q476
C482
6.2k
2SA988
0.047
C471
R474
R480
47
560
C474
Q474
100k
25V
33p
2SB1647
500V
BOOSTER
C525 R527
220p 4.7k
C523
Q525
Q521,522
33p
2SA988
500V
BIAS
R521
R523
82k
100
Q523
Q521
2SD2560
2SA1115
BOOSTER
R533
15k
R522
2.2k
R529
1.5k
R528
0.22
R531
Q524
2SB1647
C531
BOOSTER
0.1
R525
100
C532
R526
Q526
0.047
6.2k
2SA988
C521
R524
R530
47
560
C524
100k
25V
33p
500V
Q575,576
C578
R577
220p
4.7k
CURRENT DETECT
Q571,572
C573
33p
Q575
BIAS
R571
R573
500V
2SA988
82k
100
Q571
Q573
2SA1115
2SD2560
R583
BOOSTER
15k
R572
2.2k
R579
R578
1.5k
0.22
R581
C581
0.1
R575
R574
100
560
R576
Q576
C582
6.2k
2SA988
0.047
C571
Q574
47
C575
2SB1647
25V
33p
500V
BOOSTER
R580
100k
(Page 35)
R435
47k
R436
22k
R432
C426
D425
33k
0.01
1SS133T
Q427
2SC1815
R446
C427
R434
4.7k
10
AF POWER
15k
50V
SENSOR
D426
1SS133T
L401
10
R439
4.7
R437
47k
R485
47k
C476
D475
0.01
1SS133T
R486
22k
Q477
2SC1815
33k
R496
R484
C477
4.7k
15k
10
AF POWER
50V
SENSOR
D476
1SS133T
L451
10
R489
4.7
REAR-RY
R487
47k
Q525,526
R535
47k
CURRENT DETECT
R532
C526
D525
33k
0.01
1SS133T
R536
22k
Q527
C527
2SC1815
R546
R534
10
4.7k
15k
50V
AF POWER
SENSOR
D526
L501
1SS133T
10
R539
4.7
R537
47k
R585
47k
CENT-RY
R582
C576
D575
33k
0.01
1SS133T
R586
22k
Q577
C577
2SC1815
R596
R584
10
4.7k
15k
50V
AF POWER
SENSOR
D576
1SS133T
L551
10
R587
R589
47k
4.7
34
34
CN400
CN500
CN550
CN301
3P
L
R
C
CN851
4P
L
GND
GND
R
(Page 37)
RY600
Q600
2SC2785
RELAY DRIVE
R605
(CHASSIS)
4.7k
D600
R606
1SS133T
56
RY400
(CHASSIS)
Q400
2SC2785
RELAY DRIVE
TM602
R405
4.7k
D400
R406
1SS133T
56
L
SURROUND
SURROUND
(2ND ZONE)
RY700
R
Q700
2SC2785
RELAY DRIVE
D700
R706
1SS133T
56
R705
4.7k
(CHASSIS)
CN700
CN450
CN650
CN600
SR
SL
SBL
SBR
CN300
4P
TM601
CENTER
SPEAKER
L
BACK
R
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