Sony STR-DG300 Service Manual ▷ View online
STR-DG300
17
17
STR-DG300
4-7. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —
R407
R457
R406
R456
R408
R458
C408
C458
R405
R455
R404
R454
R402
R452
C495
C488
R459
R409
C468
C469
C463
C453
R475
R476
C403
CNP503
CNP501
J403
C444
C762
C702
R428
R429
CNP500
C464
WP100
CC52
CC02
CC59
CC09
CC54
CC04
CC55
CC05
CC07
CC57
CC06
CC56
CC08
CC58
C482
C483
C500
C512
C513
C518
C520
C521
C522
C523
J404
C481
C484
C459
C409
J2500
CN2500
R2501
R2500
J402
R441
R421
IC401
C808
IC801
IC402
R469
D560
Q560
R474
R473
C471
R499
R532
R533
C499
C810
C807
R470
C801
C802
Q801
R804
R803
D801
D804
R802
C822
R806
C472
R480
C811
C400
R468
C809
C831
D805
D808
D807
D806
C830
C805
C806
C803
C804
CNP802
CNP801
CN507
CNP911
CN915
J309
D896
CNP912
R910
C832
CNP913
IC802
RY560
D802
(Page 18)
(Page 24)
(Page 26)
(Page 30)
(Page 30)
(Page 23)
(Page 25)
(Page 18)
(Page 24)
(Page 24)
(Page 26)
(Page 18)
STR-DG300
18
18
STR-DG300
4-8. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 32 for IC Block Diagrams.
IC B/D
D710
R737
C722
D721
R753
R703
C755
C705
L701
Q722
Q725
R735
C721
R736
R701
R751
L751
R769
C770
R731
C706
C756
C707
C757
C701
C751
D791
R791
Q706
Q755
R775
R778 D765
R744
R718
Q703
Q704
R714
R715
Q701
R765
Q754
Q753
Q752
C732
R793
R734
R780
C744
D705
R724
Q795
C791
R771
CN807
CN792
RY701
RY791
R702
R752
C753
C703
R704
R754
R733
C733
R732
R713
R711
R710
Q702
R725
C711
R717
R723
R719 C720
Q705
R763
C760
R761
R760
Q751
R764
R772
Q756
C761
R773
R767
C710
R722
R721
Q793
D722
Q723
R794
R792
CC11
RR11
CC13
RR12
R768
R716
R766
Q790
Q710
CNP791
J791
C790
C791
IC701
C704
C754
TP701
WP102
C717
C766
C767
C716
R706
R691
R692
WP101
TM601
D732
(Page 17)
(Page 17)
(Page 17)
(Page 26)
STR-DG300
19
19
STR-DG300
4-9. PRINTED WIRING BOARD — DIGITAL SECTION (SIDE A) — • Refer to page 15 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
IC1403
IC1404
R1175
IC1301
JR1302
R1351
R1304
R1303
C1304
R1354
C1441
JR1303
C1063
R1492
R1483
C1483
R1444
R1491
R1470
R1473
C1472
JR1008
JR1005
R1058
R1059
R1201
R1194
R1164
IC1501
RB1506
IC1303
R1357
R1359
R1358
R1356
C1315
IC1401
R1486
R1476
IC1502
R1511
R1402
C1566
R1161
R1401
R1144
C1408
C1405
FB1405
C1487
FB1452
C1361
C1357
C1360
R1407
R1504
FB1306
C1301
C1302
R1301
R1446
C1303
R1360
JR1511
R1306
R1307
R1308
R1309
R1310
FB1305
X1301
JR1020
R1502
R1505
R1507
R1152
R1153
R1154
R1155
R1151
R1044
R1523
R1506
IC1503
R1142
R1121
R1114
R1113
IC1131
RB1501
R1503
RB1502
R1078
RB1504
X1502
RB1503
RB1508
RB1507
R1125
R1126
R1185
R1557
R1514
RB1500
R1311
R1312
R1313
R1315
R1316
R1318
R1570
R1134
R1135
R1136
R1137
R1509
R1140
R1508
C1102
R1188
R1129
R1124
R1191
R1192
R1122
C1131
C1107
R1081
R1571
R1512
R1143
R1150
R1501
R1041
R1042
R1513
R1049
C1002
R1362
R1115
R1111
R1112
IC1111
R1127
R1128
R1119
R1118
R1123
R1107
R1108
R1109
R1110
R1106
C1137
R1189
X1101
R1187
R1088
R1182
R1183
R1184
R1181
R1184
R1181
C1142
R1072
R1073
R1083
C1254
C1255
C1253
C1502
R1160
R1120
C1509
C1511
R1555
R1162
C1522
R1097
C1122
C1123
C1123
C1132
C1129
C1130
C1118
C1119
C1604
C1605
R1117
R1636
R1035
R1515
FB1308
C1620
R1076
R1635
R1572
R1573
R1149
FB1453
C1521
R1116
C1251
C1913
R1510
R1574
D1001
R1403
R1541
IC1101
R1179
R1180
R1180
R1171
R1172
R1556
R1305
IC1452
FB1503
R1077
D1302
D1301
C1362
R1321
R1319
R1460
R1461
R1484
R1445
R1157
R1156
R1103
R1524
C1105
C1104
D1001
D-5
D1301
F-10
D1302
E-12
IC1101
G-5
IC1111
F-5
IC1131
H-6
IC1301
E-10
IC1303
F-11
IC1401
H-11
IC1403
H-10
IC1404
H-9
IC1452
G-10
IC1501
G-9
IC1502
E-9
IC1503
G-8
• Semiconductor
Location (Side A)
Ref. No.
Location
STR-DG300
20
20
STR-DG300
4-10. PRINTED WIRING BOARD — DIGITAL SECTION (SIDE B) — • Refer to page 15 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
JR1207
C1442
C1473
C1481
R1302
C1312
R1323
R1193
R1163
JR1015
JR1016
C1314
R1355
C1494
C1547
C1454
C1401
C1409
C1404
C1450
R1314
C1310
C1520
R1251
R1530
R1186
C1172
C1100
C1140
R1039
R1190
C1108
C1171
R1105
C1358
C1021
JR1104
C1510
C1005
C1138
C1309
C1299
C1121
C1144
R1261
R1260
C1145
R1252
C1146
C1252
C1305
C1313
C1308
C1149
C1504
C1505
C1506
C1507
C1508
C1514
C1503
C1513
C1519
R1096
C1495
D1108
R1082
R1159
C1139
C1124
C1120
C1501
C1518
C1905
FB1501
FB1502
FB1101
FB1302
C1031
C1516
R1474
C1004
C1351
C1354
D1107
D1110
D1111
D1004
D1003
D1504
D1502
D1503
D1501
JR1019
J1301
CNS508
TN1
IC1071
CNS505
CNS502
IC1001
CNS501
CNS504
CNP503
CNP504
IC1904
IC1031
IC1902
CNP505
IC1901
IC1351
IC1354
C1355
C1457
C1402
C1403
W1001
C1491
C1001
C1460
C1407
C1406
C1448
C1438
C1468
C1103
C1064
C1914
C1306
C1525
C1517
C1515
C1022
C1032
C1906
W1000
C1908
C1359
(Page 16)
(Page 16)
(Page 27)
(Page 16)
(Page 16)
(Page 29)
(Page 16)
D1003
G-10
D1004
G-10
D1107
F-5
D1108
F-5
D1110
F-5
D1111
F-5
D1501
G-10
D1502
G-10
D1503
G-10
D1504
G-10
IC1001
I-10
IC1031
D-3
IC1071
C-7
IC1351
E-12
IC1354
D-12
IC1901
C-4
IC1902
C-8
IC1904
D-5
• Semiconductor
Location (Side B)
Ref. No.
Location
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