JVC RV-NB50A, Service Manual

Page: 17 / 38

2-5
To Key section
Power board(1)
CN601
R139
12K
R132 3.3K
R133
R130
C135
C136
C127 4.7/10 0.22uF 15nF
IC104
8 7 6 5
1 2 3 4
8 7 6 5
1 2 3 4
R1
16
D101
4.7/10
C194
R1
14
C121
C122
C123 C124
47P 100
R1
15
C120
C193
C102
5.6K
L
R
AGND
AMUTE
5.6K
R101
R103
R104 R106
R109 R110
IC101
IC102
470u/25V
0.1uF
0.1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
1uF
0.1uF
0.1uF
470u/25V
10u/10 10u/10
1uF 1uF
1uF
0.1uF
0.1uF
0.1uF
0.1uF
22uH
22uH
22uH
22uH
470u/25v
MUTE
C151
C150
12K
C152
C153
R187
C154
C155
C157
C156
C158
C166
C162
C160
C161
C167
L104
L103
L101
L102
C168
LV49152V
CN101
1
2
3
4
2T
L105
WOOFER AMP
5W/16ohm
5W/16ohm
15W/7ohm
15W/7ohm
2.0/4P
2.0/4P
STBY
VIN1+
VIN1-
PLC
BOOT1+
VDD1
BOOT1-
OUT1-
OUT1-
PGND1
PGND1
PGND2
PGND2
PVD1 44
1
2
3
4
5 2
15
14
69
7
12
10 11 13
8
1
4
5 3
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
PVD1
OUT1+
OUT1+
OUT2-
OUT2-
BOOT2-
VDD2
BOOT2+
PVD2
PVD2 23
OUT2+
OUT2+
VIN2-
VIN2+
MUTECAP
VCC
BIASCAP
VBIAS
VREG5
GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
TDA7266SA
10K 10K
1uF
1uF
10u/10V
1uF
R105 C107
C108
R102
1K
1K
470
470
C104
C101 C103
R1
12
R1
13
47P
47P
47P 47P
47P 47P
C106
C105
47P
47P
47P
Q102
R107
C1
13
C1
14
C129
10u/10V
10u/10
C130
IC105
NJM4558
R124
47P
C1
15
R156
R154
R152
R155
R169
15K
1K
R153
R151
1K 1K
4.7K
1.8K R150 12K
220K
C1
16
C1
18
C1
17
1000P
C29
C159 C192
C163
C178 47P 47P 47P 47P C179 C175 C174
C180 47P 47P 47P 47P
CN103
CN102
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
C181 C177 C176
C165 C164 0.33
0.33
0.33
C170
C173 C172
C2
1000P
C171
C169
0.33
47P
C1
19
R123 R122
100
47P
180K 27K
R
111
10K
10K
R108 10K
2SC3052F
47P
C1
10 C1
12
C1
1
1
C109
560P
560P
100K 100K
47P
47K
UZ4.7B
220K
NJM4558
C128
R121 R120
47P
100
10K
4.7/10
10u/10V
IC106
NJM4558
R131
R134
R145
R147
R146
2.2K
82K
IC107 NJM4558
C143
0.1uF
0.1uF
C141
C142
C149 C148 C147
100 47P
47P 47P
1uF
100K
100K
100K
10K 100K
R128
R127
D103 D102 1SS355 1SS355
C133
4.7/10
R125
C132
C144
R137
R138
C138
D107 1SS355
C139 4.7uF
C186
C185
D109
1SS355
220u/16V
220u/16V
0.1uF
0.1uF
C184
D1
10
10K
10K
1K
R163
R161
R162
R164
Q107
Q106
Q112
Q105
R143
R140
2SC3052F
2SC3052F
1SS355
1SS355
1SS355
Q104
Q103
D104
D106
R135 R136
47P
C190
24K
27K
24K
R148
R149
C146
C140
0.1uF
R144
C145
10u/10V 0.018uF
180K
1K
R129
R117
R118
C126
0
NM
Q101
0.01UC131
R126
100K
Q108
DTC114EK
Q109
Q110
Q111
DTC114EK
DTC114EK
DTC114EK
R168
NM
820
NM
C125
NM
R119
33K
C134
4.7/10 1K
C137
4.7/10
D105
220
220K
2SA1235F
15K
R167
2SC3052F
2SC3052F
2SD2394E
DC 9V
R157 R158 R159 R160
10K
10K
R165 R166
10K
0
JR1
0
JR101
1K 1K 1K 1K
C183
UZ10B
R141
R142
5.6K
56K 33K
1K
15K
10K
JR2
C182
4700u/25V
JR102
JR103
JR105
JR104
0
0
0
0
0
MUTE
PGND
MAIN AMP
ST_BY
SGND
DC9V
D_GND
POWER_ON
WVOL1
WVOL2
WVOL3
VCC15V
C_GND
M_GND
AC/DC
8 7 6 5
1 2 3 4
8 7 6 5
1 2 3 4
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