Sony STR-DA2800ES - Schematic Diagram - DCDC Board

STR-DA2800ES
STR-DA2800ES
110110
5-71. SCHEMATIC DIAGRAM - DCDC Board -
Note: IC3903 and IC3904 on the DCDC board cannot exchange with single.
When these parts are damaged, exchange the complete mounted board.
4
4
9.6
10.3
10.3
10.3
5.4
0.7
4
5.4
4 2 2 2
0.5
0.5 2.5 0.7
4
4
4
3.3
4 2.5 2.5
4
2.5
4
0.7
0.5
2.5 0.5
4
3.3
16.3
18.9
3.3
1.7
10.3
0.5
0.7
16.2
1.7
3.3
18.9
10.3
0.5
0.7
11. 6
1.7
3.3
18.9
5.5
0.5
0.7
0
0.5
1.8
0.7
5
5
3.3
5.1
5.1
6.8
1.8
1.8
11. 2
3.3
1.7
18.9
5.1
0.5
0.7
18.9 12.7
1
0.7 0.5 3.3
0
0
5
1.9 0
71
72
73
75
74
76
78
79
77
2.2
C1418
0.01
C1432
22
C1482
0.01
C1443
2.2
C1420
22
C1475
2.2
C1417
TPS54331GDR
IC1404
1 BOOT
2V in
3En
4SS 5VSENSE
6COMP
7GND
8V out
2.2
C1419
100p
C1456
0.01
C1440
22
C1480
2.2
C1411
22
C1473
0.01
C1430
TPS54331GDR
IC1402
1 BOOT
2V in
3En
4SS 5VSENSE
6COMP
7GND
8V out
2.2
C1410
2.2
C1409
2.2
C1412
10
C1478
10
C1471
10
C1485
10
C1491
35V
2200
C1404
CL1443
CL1412
CL1435 CL1442
CL1421
CL1425
CL1424
CL1423
CL1415
CL1416
CL1422
CL1428
CL1437 CL1441
CL1401
CL1402
CL1404
CL1405
CL1406
CL1407
CL1408
R1451 0
R1450 0
R1449
0
R1448 0
1
2
4
4P
CN1403
ACDC 13V
NC
3ACDC GND
DCDC 12V
10
C1496
D4SBS6
D1402
1
2
34
D1FM3
D1406
D1FM3
D1404
1
12
3
4
5
6
7
8
9
10
11
12P
CN1405
+12V
PT STOP
GND+12V(RYGND)
2
NC
GND(DCDCMAIN)
GND(DCDCMAIN)
+5V
GND+5V
+1.8V
GND+1.8V
+5.5V
GND+5.5V
10k
R1457
DA2J10100L
D1410
50V
10
C1498
DA2J10100L
D1409
2SC3052EF-T1-LEF
Q1402
54
321
S-80929CNMC-G8ZT2G
IC1407
OUT VDD GND NC
Cd
CL1403
0.1
C1448
0.1
C1450
CL1446
10k
R1420
CL1413
22
C1489
22
C1481
10
C1460
C1466
10
0.1
C1470
0.1
C1472
CL1454
CL1455
CL1456
CL1457
CL1458
CL1459
CL1460
CL1461
CL1462
CL1463
CL1464
CL1465
CL1466
CL1467
CL1414
10
C1402
10
C1403
TPS54325PWPR
IC1403
1
2
3
4
5
6
78
9
10
11
12
13
14
1
C1414
10k
R1436
10k
R1431
22k
R1411
1.5k
R1425
150
R1424
100
R1401
100
R1405
100
R1402
0.1
C1431
3.3k
R1407
4.7k
R1406
R1408
0
22
C1435
22
C1449
22
C1455
0.01
C1415
0.01
C1474
1
C1479
0.1
C1413
47k
R1409
CL1426
CL1427
2.2k
R1421
1.8k
R1422
22k
R1455
22k
R1464
10k
R1462
6.8k
R1463
E
4.7uH
L1403
E
4.7uH
L1407
CL1468
CL1469
1
3
3P
CN1401
AC20V (L)
N
2
NC
22p
C1494
CL1436
0.01
C1461
470p
C1501
0.01
C1459
100p
C1454
R1410
10
R1415
10
R1417
10
R1465
10
0.1
C1437
0.1
C1416
0.1
C1438
C1465
1500p
C1467
1500p
C1441
1500p
C1500
1500p
10uH
L1411
22
C1504
10uH
L1412
22
C1508
10uH
L1414
15k
R1483
0.01
C1520
1000p
C1522
0
R1489
2.2
C1405
2.2
C1408
2.2
C1407
2.2
C1406
1000p
C1528
CL1470
D1FM3
D1417
RT1N141C-TP-1
Q1403
2.2k
R1480
220p
C1532
C1539
22p
TPS54425PWPR
IC1408
1VO
2VFB
3VREG5
4SS
5GND
6PG
7EN8 PGND1
9 PGND2
10 SW1
11 SW2
12 VBST
13 VIN1
14 VIN2
30k
R1484
8.2k
R1498
E
4.7uH
L1418
10
C1544
10
C1543
0.1
C1545
0.1
C1427
10
C1425
10
C1426
E
4.7uH
L1419
CL1448
CL1449
CL1450
CL1451
CL1452
22
C1541
22
C1540
47k
R1508
47k
R1509
0.033
C1546
100k
R1427
220p
C1547
1p
C1548
0
R1428
22
C1458
22
C1457
1p
C1550
220p
C1551
100k
R1511
0.033
C1552
47k
R1507
47k
R1426
0
R1512
100k
R1504
220k
R1505
100k
R1419
220k
R1413
100k
R1513
220k
R1514
220k
R1515
1
3
4
5
6
7
8
9
9P
CN1404
DGND
D-VIDEO +2.5V
2
NC
D-VIDEO +2V
D-VIDEO +4V
D-VIDEO +10V
NTWK +10V
DGND
DGND
220k
R1517
220k
R1516
33k
R1482
22k
R1518
BD9009HFP
IC1410
1
Vin
2
SW
3
FB
4
GND
5
INV
6
RT
7
EN/SYNC
ISL8023A
IC3903
1VIN
2VDD
3PG
4 SYNC
5
EN
6
FS
7
SS
8
COMP
9VFB
10SGND
11PGND
14
PHASE
15
PHASE
16
VIN
12PGND
13
PHASE
ISL8023A
IC3904
1VIN
2VDD
3PG
4 SYNC
5
EN
6
FS
7
SS
8
COMP
9VFB
10SGND
11PGND
14
PHASE
15
PHASE
16
VIN
12PGND
13
PHASE
0.1
C1451
TPS54331GDR
IC1405
1 BOOT
2V in
3En
4SS 5VSENSE
6COMP
7GND
8V out
CL1431
2.2
C1512
0.01
C1434
10
C1497
D1FM3
D1403
CL1444
100
R1404
10
C1507
10
C1476
47p
C1510
47p
C1509
2.2
C1422
150
R1429
D1FM3
D1414
CL1432
10
C1492
TPS54331GDR
IC1406
1 BOOT
2V in
3En
4SS 5VSENSE
6COMP
7GND
8V out
2.2
C1436
C1468
1500p
150
R1414
CL1438
0.01
C1463
10k
R1433
2.2
C1423
10
C1506
10
C1477
R1418
10
22k
R1430
CL1420
10
C1495
22k
R1412
0.1
C1439
2.2
C1424
100
R1403
10
C1487
CL1429
C1469
1500p
CL1417
10
C1483
680
R1416
10
C1490
0.01
C1462
0.01
C1442
CL1445
0.1
C1429
10
C1488
CL1430
2.2
C1428
10
C1502
10k
R1432
0.01
C1433
0.1
C1452
CL1439
R1434
10
CL1419
0.01
C1444
680
R1423
CL1418
10
C1484
2.2
C1511
2.2
C1421
10
C1503
C1556
10
C1557
10
22uH
L1405
22uH
L1404
250V
3.15A
F1402
E
22uH
L1406
E
22uH
L1402
E
L1415
22uH
CL1471
CL1472
CL1473
CL1474
CL1475
CL1478
CL1479
10
C1558
10
C1559
10
C1560
4.7p
C1561
4.7p
C1562
470p
C1486
2.2k
R1456
1
3
4
5
6
7
7P
CN1406
FREC CT
D-VIDEO EN
2
NC
NTWK EN
CTRL EN
DSP/+12V EN
MICON STOP
EN
VCC
VIN
GND
VREG5 VBST
VFB
VO
PG
SS
SW1
PGND1
PGND2
SW2
IC1405
IC1406
IC1404
IC1403
IC1402
IC1410
IC1407
VOLTAGE DETECT
IC3903
IC3904
IC1408
DCDC BOARD
MAIN POWER
T901
>41S
TRANSFORMER
BOARD
ACDC
>42S
CN904
BOARD
A-VIDEO
>31S
CN6201
(2/2)
BOARD
MAIN
>09S
CN305
(1/3)
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
ACC OFF DETECT
POWER CONTROL
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
DC/DC CONVERTER
BOARD
(2/2)
CONTROL
CN2100
>23S
BOARD
(6/7)
D-VIDEO
CN3523
>36S
BOARD
(3/11)
NETWORK
CN301
>37S
F
G
24 8
A
12
C
18
E
10 1611 1514
H
B
17
M
5 19
I
6
J
3 131
D
9
K
L
7
• See page 114 for Waveforms. • See page 115 for IC Block Diagrams.
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