Read Sony HT-DDW870 / STR-K870P Service Manual online
21
21
STR-K870P
STR-K870P
3-8. SCHEMATIC DIAGRAM – DIGITAL BOARD (4/4) –
•
See page 13 for Waveform.
•
See page 33 for IC Block Diagram.
•
See page 38 for IC Pin Function Description.
C1001
C1002
IC1001
R1136
R1135
R1134
Q1104
Q1103
R1178
R1177
R1176
R1095
R1147
R1119
R1118
R1117
R1115
R1113
R1111
R1110
R1109
R1108
R1107
R1106
R1105
R1140
R1142
R1143
R1144
R1150
R1153
R1154
R1155
R1175
R1189
R1190
R1097
R1096
Q1105
R1083
R1186
C1130
C1129
R1152
R1124
R1077
R1078
C1488
C1428
C1458
C1418
C1448
R1121
R1486
R1446
R1476
R1426
R1456
R1059
R1058
R1079
R1053
R1052
R1041
R1044
R1042
R1039
R1035
R1193
R1635
R1122
R1123
C1124
C1123
C1122
R1094
C1487
C1547
C1566
C1569
C1568
C1567
R1114
CNS502
CNS504
R1524
R1075
R1484
R1445
R1435
R1464
R1425
R1455
R1138
R1132
X1101
IC1111
C1137
C1139
C1126
D1103
C1108
C1107
FB1101
C1121
R1159
R1160
R1161
R1167
R1168
R1099
R1098
D1105
D1106
R1162
R1065
R1066
R1067
R1068
R1049
C1138
IC1131
C1120
C1604
C1620
C1605
C1299
R1120
C1140
C1118
IC1101
R1436
R1466
R1151
C1149
C1495
C1254
C1255
C1142
R1194
C1119
R1636
C1103
C1102
R1129
R1076
C1100
R1137
R1128
R1112
R1127
C1468
C1483
C1441
C1472
C1432
C1422
C1462
C1411
C1451
R1416
C1478
R1071
R1072
R1073
R1164
R1163
IC1403
R1483
C1481
R1444
C1442
C1438
R1473
C1473
R1434
C1433
IC1404
C1557
C1413
IC1406
IC1405
R1454
C1453
C1423
R1463
C1463
R1424
R1414
470
10V
0.1
TA7805S
100
100
100
2SC2712-YG-TE85L
RT1N141C-TP-1
10k
10k
10k
1k
1k
1k
100
100
2.2k
2.2k
2.2k
2.2k
2.2k
100
10k
100
100
100
100
100
100
100
100
10k
10k
100k
10k
2SC2712-YG-TE85L
10k
10k
0.01
0.01
100
100
100
100
10 50V
10 50V
10 50V
10
50V
100
1k
1k
1k
1k
100
100
100
10k
2.2k
2.2k
100
100
0.1
0.1
0.1
0.0022
0.0022
0.0022
0.0022
0.0022
0.0022
2.2k
10P
7P
0
10k
10k
S-80929CNMC
-G8ZT2G
0.01
0.1
220p
1SS355TE-17
0.1
0.1
0
0.1
3.3k
100
100
100
100
10k
10k
1SS355TE-17
1SS355TE-17
100
100
100
100
100
10k
0.1
BR24L16F-WE2
0.01
0.1
0.1
0.1
0.1
1k
0.1
0.1
1k
1k
100
220p
220p
220p
220p
0.1
0.1
2.2k
47
16V
0.1
100
100
0.1
100
100
100
100
10
50V
680p
680p
0.1
680p
680p
680p
680p
680p
47k
10 50V
10k
10k
100
10 50V
1K
220
220
10k
10k
10k
10k
10k
0
0
0
0
0
0
24MHz
MB90488
BPF-G-137E1
1k
10 50V
3.3k
3.3k
3.3k
10k
NJM4565M(TE2)
6.8k
330p
6.8k
330p
8.2k
0.1
6.8k
330p
NJM4565M(TE2)
0.022
330p
NJM4565M(TE2)
NJM4565M(TE2)
6.8k
330p
330p
6.8k
330p
6.8k
6.8k
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