Schematic Diagram - Main Section (1/4) - Aiwa CX-JV77 Service Manual

CX-JV77
6-14. SCHEMATIC DIAGRAM – MAIN Section (1/4) –
(1/4)
JK101
4P
R143
1k
L
R144
IN
1k
R
R145 C171 R146 C172
VIDEO/SAT
100k 470p 100k 470p
LINEL
L
R147
OUT
1k
LINER
R
R148
1k
R149 C173 R150 C174
100k 470p 100k 470p
R158
2.2k
Q101,102
MUTING
CONTROL
R153
10k
Q102
2SA1235
R154
10k
R155
4.7k
Q101 R162
2SC3052 2.2k
C175
R151 R152 R156 R157
2.2
4.7k 10k 470k
50V
CX-JV77
• See page 49 for IC Block Diagrams.
MDL
MDR
C186 C184
C187
47 47
0.01
16V 16V
R171
R172 22k
100
C185
R160 10 C183 C181
1k 50V 22p 47p
Q103
2SC5938
R159 R161
MUTING
10k 10k
LINER
LINEL
SAOUT
LINE AMP
IC102
NJM4565M
TU-L
TU-R
MDL
C176
MDR
R164 10
1k 50V
R166
10k
Q104
R167
2SC5938 R169
22k
100k
MUTING
C178
R163 R165
47
47k 10k 10k
16V
R168
100k
R173
10k
Q105
R174 2SC3052
10k
POWER ON
MUTING
C188 C189
R175 C190
22 22
10k 0.01
50V 50V
C147
R136 R135 C145
10
4.7k 4.7k 10
50V
50V
C142 C141
R134 R133 10 10
4.7k 4.7k 50V 50V
C152 0.0022
TNF2
C153 0.0022
TNF1
C154 0.47
SUR1
R137 10k
SUR2
C155 1 50V
LINE OUT2 (R)
C156 1 50V
LINE OUT1 (L)
C157 1 50V
SAOUT2
R138
SAOUT1 INPUT SELECT,
1k
C159 1 50V
TONE CONTROL,
CAP
C160 1 50V ELECTRICAL VOLUME
MIC
IC101
R140 BD3401KS2
GAME L
1k
GAME R
C165 1 50V
TUNER L
C166 1 50V
TUNER R
C167 1 50V
MD L
C169 1 50V
MD R
C107
10
R105
50V
390
C106 C105 R104 R103
0.01 220p 15k 330k
C110 R108
10 390
50V R106 R107 C108 C109
330k 15k 220p 0.01
R114
R111
68k
C118
R198
10
2.2k
50V
R101
4.7k
C122
R102 C206 C193
4.7k 2200p 2200p
50V
(Page 38)
36 36
C138 C137
10 10
50V 50V
R131
15k
R129
47k
R130
Q106
R176 220k
2SC3052
220k
FEED BACK
SWITCH
C275
47p
R177 R122
220k 220k
VOL OUT1
C274 R127 R128
47p 4.7k 15k
VOL OUT2
C136 0.1
BBNF2
R121
BBIN2
47k
C135
LF1
0.1
Q107
LF2 2SC3052 C132
FEED BACK
LF3
SWITCH
LF4
C129
47 R120
SW OUT
16V
FILTER
1/2VCC
C128
VCC 100
10V
R119
GND
R117
VDD
100
C125 100p BD3401 DATA
SI
C124 100p BD3401 CLK
SC
R116
ALC
100
C123 22 50V
R115 1M
C126
0.33
C127 100 10V
R254
100
FB205
0
C119
0.01
R112 R113
470k 330k
C191
C120 C121 2.2
390p 220p 50V
C115
C192
68k 0.01 R194
2.2
4.7k
50V
R109 R110
470k 330k
C116 C117
390p 220p
D215 1SS355
R195
4.7k
10
47
16V
1M
22k
A1
A2
A3
A4
A5
(Page 37)
A6
A7
A8
C1
C2
C3
(Page 39)