Main Section 4 Schematic Diagram - JVC RV-NB50B Service Manual

<Main Section 4>
1uF
5.6K 1K 470
L
R101
R103 C107
R105
AGND
1uF
470
1K
R
R102
R104 R106
C108
5.6K
AMUTE
R168
820
NM
Q101
33K
R118 R119
NM 0
C125 R117
C126
NM
NM
1K 4.7/10
R129 C134
180K
4.7/10 R135 R136
1K
C137
1SS355
1SS355
1SS355
D105 D106
D104
2SC3052F
Q103
2SC3052F
Q104
220K
47P
R140
C190
R143
220
DC 9V
DC9V
D_GND
POWER_ON
WVOL1
WVOL2
WVOL3
VCC15V
C_GND
M_GND
AC/DC
5 10 11
4
R109 R110
10K 10K
12
7
0.01UC131
8 PGND
R126
100K
DTC114EK
DTC114EK DTC114EK
Q109
Q108 Q110
27K 0.1uF
R144
C140
C145
0.018uF 10u/10V
C146
24K
R148 R149
24K
R167
15K
2SD2394E
Q105
2SA1235F
Q106
2SC3052F
Q112
R164
1K
R162 10K
Q107
2SC3052F
IC101
3 13
TDA7266SA
1
IC102
2 1
MUTE PVD1
2
STBY PVD1
1uF
3
VIN1+ OUT1+
1uF C150 4
VIN1- OUT1+
15
C151 12K 5
PLC BOOT1+
R187
1uF 6
VIN2- VDD1
C152 1uF 7
VIN2+ BOOT1-
1uF C153 8
MUTECAP OUT1-
1uF C154 9 VCC
OUT1-
MAIN AMP
C155 1uF 10
BIASCAP
PGND1
1uF C156 11
VBIAS PGND1
14 C157 1uF 12 VREG5
PGND2
C158 13
GND
PGND2
14
NC OUT2-
15 NC
OUT2-
16 NC
BOOT2-
17
NC VDD2
18
NC BOOT2+
19 NC
OUT2+
20
NC OUT2+
21
NC PVD2
22
NC PVD2
LV49152V
WOOFER AMP
DTC114EK
Q111
CN101
2.0/4P
1
To Key section
2
2T
Power board(1)
3
L105
CN601
4
15W/7ohm
CN102
1 1
2 2
3 3
4 4
5W/16ohm
470u/25V
44
43
15W/7ohm
42
41
0.1uF
L101 22uH
40
C160
1uF
39
38
C161
0.1uF
37
C162
36
35
22uH CN103
L102
34
33
1 1
32
L103 22uH
31
2 2
30
29 0.1uF
3 3
C166
28 1uF
27 C168
0.1uF 4 4
26
C167
25
24
L104
22uH
2.0/4P
23
470u/25v
5W/16ohm
2-5