Sony STR-DG300 Service Manual ▷ View online
STR-DG300
25
25
STR-DG300
4-15. SCHEMATIC DIAGRAM — DIGITAL SECTION (5/5) — • Refer to page 31 for Waveforms and page 36 for IC Pin Descriptions.
R1135
C1102
R1187
R1119
R1115
R1113
R1111
R1110
R1109
R1108
R1107
R1106
R1142
R1190
R1083
C1129
R1124
R1041
R1636
R1122
R1123
R1114
R1524
C1144
C1145
C1146
C1172
C1171
R1125
R1126
CNS504
R1156
R1157
C1137
C1108
C1121
R1049
C1142
C1604
C1605
C1299
C1140
C1119
C1118
R1134
R1042
R1140
R1044
R1136
R1150
R1035
C1100
R1129
C1149
C1495
R1096
C1255
C1254
R1076
R1121
R1155
R1153
R1154
R1151
R1152
R1161
R1162
R1160
R1143
R1144
R1149
C1122
R1137
C1120
C1130
C1124
C1123
R1192
R1191
C1131
C1132
R1073
R1072
R1118
R1635
C1620
R1077
R1117
C1139
R1078
R1185
R1188
R1112
R1128
C1107 R1189
R1127
R1186
R1105
R1179
R1180
R1088
R1183
R1184
R1181
R1182
R1201
R1097
FB1101
R1082
R1081
JR1104
IC1111
X1101
C1103
R1039
C1138
R1175
CNS505
R1103
CNS502
IC1131
R1159
R1058
R1059
R1120
R1194
R1193
R1164
IC1101
R1163
(Page 23)
(Page 22)
(Page 21)
(Page 22)
(Page 24)
(Page 28)
(Page 17)
STR-DG300
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26
STR-DG300
4-16. PRINTED WIRING BOARD — FRONT B SPEAKER SECTION —
• Refer to page 15 for Circuit Boards Location.
: Uses unleaded solder.
4-17. SCHEMATIC DIAGRAM — FRONT B SPEAKER SECTION —
1
A
B
C
D
E
F
G
2
3
4
5
RY600
R800
TM600
CNP601
RY801
JW787
JW786
R830
R831
CNP807
CNP808
D800
JW789
JW788
D818
JW791
RR20
CC20
CC21
RR21
JW601
JW792
Q800
R812
R824
Q809
CNP600
JW790
D800
R800
R812
D818
CNP601
JW786
TM600
RY801
RY600
Q809
R824
CNP807
CNP808
R830
RR21
CC21
CC20
RR20
Q800
CNP600
R831
(Page 16)
(Page 16)
(Page 16)
(Page 29)
(Page 17)
(Page 30)
(Page 17)
(Page 18)
STR-DG300
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27
STR-DG300
4-18. PRINTED WIRING BOARDS — DISPLAY SECTION — • Refer to page 15 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
2
3
4
5
6
7
8
9
10
11
12
13
14
WOOFER
ON/OFF
ON/OFF
IC100
CNS100
S104
S103
S101
S102
S124
S105
RV101
RV102
R115
C147
L102
R118
L103
C151
C150
C114
R120
C152
L101
C106
C107
R101
R102
R103
R104
R105
R106
R199
JW104
JW105
JW106
JW108
JW109
JW110
JW111
JW117
JW118
JW119
JW120
JW121
JW115
JW114
JW113
JW112
JW116
JW122
FL101
CN101
S111
S109
S110
S108
RV103
R198
S112
R110
R108
R109
R111
JW123
S106
S107
C144
R121
C101
IC101
R116
R117
C110
C111
C100
C115
C148
C149
C145
R107
JW100
JW102
JW103
JW107
C112
JW124
IC102
R119
TP101
TP102
JW101
JW131
S100
S115
R114
CNP101
J2500
R2500
R2501
CN2500
(Page 20)
(Page 16)
STR-DG300
28
28
STR-DG300
4-19. SCHEMATIC DIAGRAM — DISPLAY SECTION —
R119
R121
R118
R116
C115
C149
C148
C147
R199
R198
CNS100
R101
R108
R102
R109
R103
R110
R104
R111
R105
R106
R107
C100
C114
C152
R114
C144
R117
R115
C112
C111
C110
CN101
L103
L101
L102
IC100
C145
FL101
IC102
C101
C151
C150
S101
S102
S103
S104
S124
S105
S106
S107
C107
C106
RV102
RV103
RV101
S100
S115
CNP101
S108
S109
S110
S111
S112
IC101
R120
(Page 25)
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