Schematic Diagram - Main Board (2/3) - Sony HCD-GX355 Service Manual

HCD-GX355/GX555/RG270/RG475/RG575
Ver. 1.1
6-13. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
(2/3)
(E2,E51,MX,AR)
(Page 41)
CN066
4P R069
22k
MIC CTL
MIC 9V JW164 R068 10
MIC SIG
MIC GND
CN065
(Page 41) 5P
GND
R104 R148 C148
1k 100k 470p
AUDIO IN-R
GND
R103 R147 C147
1k 100k 470p
AUDIO IN-L
AUDIO CTL
CN201
3P C208
1000p
R
L
C207
1000p
HP1
(PB)
(DECK-A)
HRPE1
CN203
(REC/PB/ERASE)
8P
C210
(DECK-B)
1000p
R
C209
1000p
L
C220 AEP,UK,
22p
EE,RU
C205
1000p
R244
22k
CN061
(Page 41)
5P
HP CTL
D GND
R-OUT
HP-GND
L-OUT
EP061
(CHASSIS)
HCD-GX355/GX555/RG270/RG475/RG575
• See page 50 for Waveforms. • See page 50 for IC Block Diagrams.
(Page 33)
I-MIC
R070
C140 10k
0.1
R150
47k
C139 R149
0.1 47k
I-HP/AUDIO
Q209 C179
C229
2SC3052
4.7 Q207
50V
PB MUTING 50V 2SC3052 Q205-208
Q208
2SC3052 REC MUTING
R240
1k
R239
1k
Q210
2SC3052 Q203
Q205
R235 2SA1235
PB MUTING 2SC3052
2.2k R238
INVERTER
R237 2.2k
Q206
2.2k
2SC3052
R234 R236
10k 10k
L201
BIAS OSC
R206 10k
R204 47k Q231,232
REC BIAS SWITCH
Q232
C212
C224 KTA1271Y-AT
0.0047
0.0047
Q201
2SC2001 R233
10k
BIAS OSC
C211 C223
0.01 0.01 R207 R208
22k 4.7k R232
10k
C213
0.01
C222
47 C214 C225 R212 C206
16V 0.0047 0.0047 10 1000p
Q231
RT1N431C
-TP-1
C063 C064
0.1 1000p C065 1000p (AEP,UK,EE,RU)
C066 1000p
C070
(AEP,UK,EE,RU)
1000p
R174 C176 C178
2.2k 0.01 220p
C180 R172 R170 R168 R164 R166
10 470 100k 220k 10k 4.7k
50V
C104 C103
1000p 1000p
C102 C101
1 1
50V 50V
C174
2200p
CD L
CD R
C173
C171 0.1 50V
2200p C175 C177
TAPE L
0.01 220p
C172 0.1 50V
TAPE R
R173 R167 R163
PBNF2
2.2k 220k 10k
R169 PB OUT2
R165
10 100k R162 2.2k
R171 4.7k
PB OUT1
470
R161 2.2k
PBNF1
C181 1 50V R175 1k
TAPE A1
C182 1 50V R176 1k
TAPE A2
C183 1 50V R177 1k
TAPE B1
C184 1 50V R178 1k
TAPE B2
RECNF2
REC OUT2
REC OUT1
R184 R182 R180
RECNF1
220k 100k 470k
R183 R181 R179
220k 100k 470k
C198 C194 C192
220p 220p 0.01
C191
(AEP,UK,EE,RU)
0.01
C202
R186 C197 C193
2.2
47k 220p 220p
50V
C201
R190 R188 R189 R185
2.2
2.2k 100k 2.2k 47k
50V
R187
100k
C200
C199
R192 10 R191
10
4.7k 50V 4.7k
50V
C159
(AEP,UK,EE,RU)
1000p
C069
(AEP,UK,EE,RU)
1000p
34 34
C114
R107 R108
R106 1
1k 22k
1k 50V
C120
C116 0.47
1 C117
C113 50V R117 1000p
1 10k
50V
R110
R120
47k
4.7k
C126 0.01
MNF2
C124 0.01
R119
MOUT2
4.7k
C123 0.01
MOUT1
C125 0.01
C129
MNF1
10 50V
BNF1
C127 0.1 R121
BOUT1 4.7k
INPUT SELECT,TONE CONTROL,
C130
ELECTRICAL VOLUME BOUT2 R122
10 50V
C128 0.1 4.7k
IC101
BNF2
BD3401KS2
C131 0.1 50V
AMS OUT
R130
TONE OUT2 C137
0
10
VIN2 50V
TONE OUT1 C136
10
C145
VIN1 50V
0.1
BBIN1
BBNF1
VOL C141 R135 C143
OUT1 47p 1k 0.1
R133
2.2k
R132 R131
220k 220k
R141 R139
R142
220k 22k
220k
C142
47p
R140
R136
22k
1k Q142
Q141
2SC3052
2SC3052
R144
R143
C144 R138 47k
R134 47k
0.1 47k
2.2k
R145
47k
C149 R146
47 1M
R153 C151 16V
C160
22k 0.1 Q141,142
100
16V FEED BACK SWITCH
R154
10k
C156
C155
100 (AEP,UK,EE,RU)
47
16V
16V (GX555/RG475/RG575)
R160
10
Q111,112
BAND-PASS FILTER
Q112 R116
2SC3052 100
R109 R113
4.7k 4.7k C118
2.2
50V
R111
A3
100k
A4
C119
2.2
50V
(Page 33)
Q111
2SC3052
C111
R112
22
470
50V
R114
2.2k
D121
MC2840
D122
MC2840
R128
10k
C1
C2
C132 C133 R129
C3
0.47 0.47 100k
50V 50V
C4
C5
R247
2.2k
C6
R248
2.2k
R137
47k
C7
(Page 35)
C068
1000p
C8
C9
C10
C11
C12