Schematic Diagram - D-Amp Board (2/4) - Sony STR-DA7100ES Service Manual

STR-DA7100ES
6-62. SCHEMATIC DIAGRAM – D-AMP BOARD (2/4) –
(2/4)
A1
C1502
0.1
DED TIME
IC1414
C1496
TC74LVX08FT
27p
C1492
27p
R1530 330 R1526 330
A2
A3
A4
A5
A6
DED TIME C1476
0.1
IC1409
C1470 TC74LVX08FT
27p
C1468
27p
R1493 330 R1489 330
A7
A8
A9
A10
A11
A12
C1447
DED TIME 0.1
(Page 121)
IC1405
C1440
TC74LVX08FT
27p
C1435
27p
R1456 330 R1453 330
A13
A14
A15
A16
A17
A18 R1401 R1402
0 10k
A19
A20
A21
A22
A23
Q1401
2SC2713G C1406
R1405
-TE85L 0.1
10k
INVERTER
STR-DA7100ES
See page 156 for IC Block Diagrams.
D1425
EC10QS04
-TE12L5
DED TIME
R1546 47
R1544 47
C1505
DIGITAL
C1503 C1504 330
470 0.1 16V POWER AMP
6.3V
D1419
EC10QS04
-TE12L5
IC1415
TC74LVX08FT
R1536 47
R1534 47
C1490
C1493
27p
27p
R1527 330 R1525
330
DIGITAL POWER AMP
D1417
EC10QS04
-TE12L5
R1508 47
R1512 47
C1477
DIGITAL
470 C1478
6.3V 0.1 DED TIME C1479 POWER AMP
330
16V
D1409
EC10QS04
-TE12L5
IC1410
TC74LVX08FT
C1469
27p R1496 47
C1465
R1490 330 27p R1494 47
R1488 330
DIGITAL POWER AMP
D1407
EC10QS04
-TE12L5
DIGITAL POWER AMP
R1475 47
R1478 47
C1448 C1449
C1445
470 0.1
330
6.3V
DED TIME 16V
D1401
EC10QS04
IC1406
-TE12L5
TC74LVX08FT
C1436
27p
R1464 47
C1434
27p
R1454 330 R1461 47
R1450 330
DIGITAL POWER AMP
Q1404,1407,1410
TEMP DETECT
C1520 0.1
C1518
Q1424,1425
0.1
100V BOOSTER S
R1550 3.3
R1547 4.7
IC1418
HIP2101IBZT
D1422 D1423
SD833-09 SD833-09
-TE12R -TE12R
D1421 D1424
SD833-09 SD833-09
C1501 0.1 -TE12R -TE12R
C1499
Q1422,1423
0.1
100V BOOSTER
R1537 3.3
S
IC1416
HIP2101IBZT R1531 4.7
C1487 0.1
C1486
0.1
100V Q1419,1420
BOOSTER
R1515 3.3
R1509
S
4.7
IC1413
HIP2101IBZT
D1412 D1413
SD833-09 SD833-09
-TE12R -TE12R
D1411 D1414
SD833-09 SD833-09
C1475 0.1 -TE12R -TE12R
C1473
0.1
100V
R1497 3.3
Q1417,1418
IC1411
BOOSTER S
HIP2101IBZT
R1491 4.7
C1461 0.1
C1460
0.1
100V
R1480 3.3
R1476 4.7
IC1408
HIP2101IBZT
Q1414,1415
D1403 D1405
SD833-09 SD833-09 BOOSTER
-TE12R -TE12R
S
D1404 D1406
SD833-09 SD833-09
C1444 0.1 -TE12R -TE12R
C1442
0.1
100V
R1465 3.3
IC1407
HIP2101IBZT
R1457 4.7 Q1412,1413
BOOSTER
S
R1439
0
TH1403
R1435
C1426
6.8k
0.1
D1540 Q1410
1SS355 2SC2713G C1423
R1429
-TE85L 0.1
4.7k
C1723 R1428 C1716
0.1 1k 2.2
R1425
0
TH1402
R1423
6.8k C1418
0.1
D1543 Q1407
1SS355 2SC2713G C1417
R1416
-TE85L 0.1
4.7k
C1724 R1415 C1717
0.1 1k 2.2
R1410
0
TH1401
R1408
6.8k
C1409
0.1
D1542 Q1404
1SS355 2SC2713G
-TE85L C1408
R1404
0.1
4.7k
C1725 R1403 C1718
0.1 1k 2.2
When either Power MOS among those shown below on the D-AMP board is to be replaced, replace four pieces
bracketed with [ ] at the same time, because these four Power MOS could be all defective.
[Q1412, 1413, 1414, 1415], [Q1417 ,1418, 1419, 1420], [Q1422, 1423, 1424, 1425], [Q1426, 1428, 1429,
1430], [Q1432, 1434, 1435, 1436], [Q1437, 1439, 1440, 1441], [Q1442, 1444, 1445, 1446]
Also, when replacing them, be sure to destroy the Power MOS main
122 122
OUT-FL-A
S
C1506 C1507 C1513
0.1 0.1 470
100V 100V 100V
G-FL
OUT-FL-B
R1541 0.05 1W
R1539 0.05 1W
Q1421
S
2SA1163G
-TE85L
C1494 C1495 C1498
0.1 0.1 470 I.PROTECT
100V 100V 100V
R1523
100
(Page 128)
R1518
10k
OUT-FR-A
C1419
D1529
100p
1SS355
100V
S C1410
100p
C1480 C1481 C1484
0.1 0.1 470
100V 100V 100V
G-FR
R1499 0.05 1W
R1498 0.05 1W
OUT-FR-B
Q1416
2SA1163G
-TE85L
I.PROTECT
CN1403
6P
R1487
S 100
C1466 C1467 C1471
0.1 0.1 470
100V 100V 100V
R1486
10k
C1420
100p
(Page 117)
100V
D1530
1SS355
G-C
OUT-C-A
R1470 0.05 1W
R1466 0.05 1W
S Q1411
2SA1163G
C1450 C1451 C1457 -TE85L
0.1 0.1 470
I.PROTECT
100V 100V 100V
R1448
(Page 128)
100
OUT-C-B
R1446
10k
C1421
100p
100V
S
C1437 C1438 C1441 D1531
0.1 0.1 470 1SS355
100V 100V 100V
CN1503
4P
L
R
C
GND
(Page 128)
HIC GND
I_LIMIT
TEMP(HIC)
+10V
(Page 124)