Sony STR-DG900 Service Manual ▷ View online
STR-DG900
25
25
STR-DG900
4-13. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 54 for IC Block Diagrams.
IC B/D
IC B/D
Q622
R623
R625
R624
C621
R622
Q621
R621
C631
R631
C681
R681
R612
R662
C616
C666
C614
C664
R611
R661
C663
C613
C612
C662
C611
C661
C623
C624
Q672
R673
R675
R674
C671
R671
Q671
R672
C673
C674
C625
Q625
R629
Q626
R630
R633
R632
D626
D625
C627
C675
Q675
R679
Q676
R680
R683
R682
D676
D675
C677
R203
C201
D203
Q202
Q200
Q201
R205
C200
D202
R204
R687
R637
D240
R245
R201
R240
R280
C711
R711
C712
R712
C714
C713
C716
C731
R731
Q722
R723
R725
R724
C721
R721
Q721
R722
C723
C724
C725
Q725
R729
Q726
R730
R733
R732
D726
D725
C727
R737
L601
R639
L651
R689
L701
R739
R215
C732
C682
C632
Q255
Q256
C255
R626
R676
R726
JR219
C626
R634
Q627
R636
R635
C676
R684
Q677
R686
R685
R646
R696
C726
R734
Q727
R736
R735
R746
R211
R214
R210
R212
R213
RY240
C603
CN806
D204
D201
IC600
IC700
R628
R678
R728
CN650
CN601
IC210
Q210
Q240
R600
C615
C665
R615
R616
R665
R666
R700
C715
R716
R715
C703
R627
R677
R727
CN600
CN700
CN651
R246
Q624
Q674
Q724
Q723
Q673
Q623
(Page 48)
(Page 24)
(Page 22)
(Page 23)
(Page 34)
STR-DG900
26
26
STR-DG900
4-14. PRINTED WIRING BOARD — DIGITAL SECTION (1/2) — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
R
1193
R1163
IC1501
RB1506
C1451
JR
1007
R
1131
R1353
IC1301
IC1452
IC1302
IC1303
IC1304
R1354
R1352
R1357
R1359
R
1358
R1356
R1057
R1055
C1315
IC1401
R1436
R1486
R1426
R
1416
R
1476
R1456
R
1466
IC1403
IC1502
R1421
IC1404
IC1405
IC1406
R1473
C1483
R1444
R1133
R1424
C1558
R
1463
R
1454
R
1490
R1511
R
1494
C1472
D1302
C1566
C1569
C1567
R1161
C1568
R1483
R1144
C1408
C1405
FB1405
C
1487
FB1452
R
1470
FB1304
C1316
C1361
C1046
R
1056
R1407
R1504
C1301
R1304
R
1446
C1303
C1304
R
1305
R1360
FB1301
R1306
R1307
R
1308
R1309
R
1310
D
1301
FB1305
X
1301
JR
1020
R1502
R1505
FB1503
R1507
R1556
C1108
R1152
IC1101
R1153
R1154
R
1151
R1351
R1044
R1523
R1506
IC1503
R1142
R1121
R1114
R1113
IC1131
RB1501
C1432
C1441
R1503
RB1502
R1452
RB1504
X1502
RB1503
RB1508
RB1507
R1807
R1125
R1126
R1185
C
1
411
FB1401
R1557
R1514
RB1500
R1015
R1016
R1017
R1311
R1801
R1802
R1803
R1804
R1805
R1806
C1133
R1012
R1013
R
1312
R1313
R1315
R1316
R1318
R1570
R1134
R1135
R
1136
R1137
R1509
R
1140
R1491
R1508
C1102
R
1495
R1188
R1166
R114
5
R
11
47
R1085
C1299
R1062
R
1129
R1124
R1174
C1492
D1112
R
1197
R1191
R
1363
R1104
R1192
C1557
R
1122
R1186
R117
3
R1201
C1107
C1462
R1571
R1512
R1143
R
1150
R
1501
R1086
R
1041
R
1042
R1513
R
1049
C1002
R
1362
R1167
R
1168
R
1169
R
1170
R1064
R
111
5
R1111
R1112
IC1111
R
1127
R
1128
C1140
R
1119
R
1
118
R1123
R1107
R1108
R1109
R1110
R
11
48
R
1493
R
1159
R11
06
R1132
R11
30
C1137
C1409
R1189
R1011
R1187
R
1146
R1171
R1172
R1088
R1182
R1183
R1184
R1181
R
11
41
R1179
R1180
R1195
FB1102
R1089
F
B1071
FB1309
C1121
C1101
R1158
C1253
R1165
C1502
C1172
R1160
R1120
C1509
C1511
R1555
R
1162
C1522
R1
097
R1138
C1122
IC
1141
C1110
C
11
19
C1604
R
1117
R
1199
R1063
R1035
R1198
R1515
F
B1308
R1087
C1106
R1010
R1492
C1173
C1174
R
1105
R1103
R
1102
R
1101
C1171
R1572
R1573
R1
14
9
FB1453
C1521
R1116
R1361
C1251
C1913
R1510
R1574
D1001
R1403
R1541
R1434
R
1414
C1422
X1101
R
1196
R1322
R1303
R1324
R1319
R1401
FB
1107
FB11
04
FB
1103
FB110
6
D1001
C-5
D1112
D-5
D1301
E-11
D1302
E-12
IC1101
G-5
IC1111
F-5
IC1131
G-6
IC1141
H-7
IC1301
E-11
IC1302
D-12
IC1303
F-12
IC1304
F-11
IC1401
H-11
IC1403
H-10
IC1404
H-9
IC1405
H-8
IC1406
H-7
IC1452
G-11
IC1501
F-9
IC1502
E-9
IC1503
G-8
• Semiconductor
Location (Side A)
Ref. No.
Location
STR-DG900
27
27
STR-DG900
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
JR1207
JR1016
JR1017
R1355
C1442
C1473
C1433
C1423
C1118
C1453
C1413
C1463
C1494
C1547
FB1072
C1454
C1401
C1404
C1450
C1352
C1354
C1353
R1314
R1366
R1061
C1128
C1310
R1320
D1501
C1520
R1251
C1312
R1530
C1109
R1139
C1178
C1358
C1021
C1481
C1510
C1005
D1003
D1004
C1123
C1309
R1261
R1260
C1256
C1254
C1111
R1252
C1252
D1503
C1305
C1313
C1314
C1308
R1190
C1504
C1505
C1506
C1507
C1508
C1514
C1503
C1513
C1519
R1157
D1107
D1108
D1110
D1111
R1060
C1120
C1124
C1129
C1501
C1518
C1255
D1504
C1905
FB1501
FB1502
FB1101
FB1302
C1031
C1516
FB1077
FB1078
R1474
C1177
C1175
C1176
C1127
C1100
D1502
C1004
JR1015
C1363
C1266
JR1018
C1351
C1356
C1362
FB1105
IC1351
IC1353
J1301
IC1354
CNS502
CNS521
IC1001
CNS501
CNP503
CNP504
CNS505
CNS508
TN1
IC1904
IC1031
IC1902
CNS509
CNP505
IC1352
CNS503
IC1901
C1317
C1359
C1306
C1355
C1047
C1457
C1402
C1403
C1460
C1491
C1001
C1407
C1406
C1448
C1438
C1468
C1428
C1418
C1458
C1478
C1488
C1134
C1515
C1517
C1525
C1103
C1906
C1908
C1022
C1032
C1914
TP1001
CNS504
4-15. PRINTED WIRING BOARD — DIGITAL SECTION (2/2) — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
(Page 21)
(Page 21)
(Page 49)
(Page 21)
(Page 21)
(Page 42)
(Page 45)
(Page 36)
D1003
G-10
D1004
G-10
D1107
E-5
D1108
E-5
D1110
E-5
D1111
E-4
D1501
F-10
D1502
F-10
D1503
F-10
D1504
F-10
IC1001
I-11
IC1031
D-3
IC1351
C-13
IC1352
D-13
IC1353
F-13
IC1354
E-13
IC1901
C-4
IC1902
C-8
IC1904
D-5
• Semiconductor
Location (Side B)
Ref. No.
Location
(Page 51)
STR-DG900
28
28
STR-DG900
4-16. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/5) — • Refer to page 53 for Waveforms and page 54 for IC Block Diagrams.
IC B/D
IC B/D
X1301
R1309
R1355
C1313
C1309
C1310
R1315
R1313
R1312
R1362
R1310
R1316
R1318
R1360
R1314
C1306
C1314
C1303
C1305
C1355
R1306
R1366
R1055
R1359
C1315
R1322
R1324
R1304
C1304
C1133
C1134
R1357
R1056
R1358
R1064
R1356
C1356
C1362
C1316
C1046
C1363
TP1003
TP1004
FB1305
FB1302
C1301
R1303
R1311
C1308
R1319
JR1020
R1305
R1308
JR1007
C1312
R1320
R1363
R1361
C1359
C1358
R1057
C1354
C1353
R1354
R1353
C1352
R1352
C1351
R1351
C1361
J1301
R1307
IC1301
FB1309
IC1303
IC1304
C1317
FB1304
IC1302
FB1301
D1302
C1047
D1301
IC1351
IC1352
IC1354
IC1353
(Page 29)
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