Schematic Diagram - Amp Board - Sony HCD-GB3 Service Manual

HCD-GB3
Q Q
7-11. SCHEMATIC DIAGRAM — AMP BOARD —
3 7 6 3 1 5 1 5 0
R253
10k
R226
22k
Q202
2SA2026
T E
L 1 3 9 4 2 2 9 6 5 1 3
R228
2.2k
R225
22k
R233
10k
R227 Q201
2.2k 2SA2026
D241
MC2838-T112-1
2SA1235TP-1EF
R243
1k
R244
100k
w w w
C244
0.01
HCD-GB3
• See page 39 for IC Block Diagram.
IC202
STK432-070
C252
0.1
R251
100
TH241 C206
220p
R232
220
R238
R236 C210 10p
0.22
R224 0.22
2W
10k 2W
R216 R214 R212
1k 10k 33k
C204
4.7
50V
R231
220
C203
4.7
50V
R237
R235
R223 0.22 R215 R213 R211
0.22
10k 2W 1k 10k 33k
2W
C209 10p
C205
220p
Q241
R241
2SC3052F-T1-LF
Q244 10k
R245
2.2k
R246
10k
R249
4.7k
Q242
R248 R247
2SA1235TP-1EF
10k 470k
Q243
x a o
2SC3052F-T1-LF
R242
10k
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C251
0.1
R252
100
R208 R202 R222
100 0 22k
R922
47
R218 R204
1k 47k
R220 R206 C202
1k 10k 220p
C254
0.0022
Q Q
3 7
C253
0.0022
R205 C201
R219 10k 220p
1k
R217
1k
R203
47k
R207 R201 R221
100 0 22k
CNP202
5P
CNP201
5P
u 1 6 3
y
32 32
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2 4
8 9 9
FAN
CNP902
Q902 3P
2SA1235TP-1EF R911
47
R909 R910
CNP901
C903 10k 47
4P
47
R908
50V
4.7k
R907
Q901
4.7k
2SC3052F-T1-LF
R905
47k
Q903
2SC3052F-T1-LF
R924
R923
2.2k
220k
C901
C902
4.7 R904
47
C921
R906 10k
50V
R921
50V
4.7 470
10
50V
6 3 1 5 1 5 0 8 9
28
28
m
c o
.
2
8 9 9
28
2 4 9 8 2 9 9