CN131
1
3
5
6
7
8
9
10
2
4
CB AUDIO
MIC
MIC MUTE
ATT
AMB
AMB1
FM 10K
AU H/S
CB H/S
VO L
CN201
6
5
4
3
2
1
6
5
4
3
2
1
CN202
CB SP
VO R
SP R
SP L
BEEP
AMB CIRCUIT
B
R139
1M
R136
220K
R133
10K
R143
4.7K
C147
0.0015
C148
0.0033
C144
0.0033
C149
0.0015
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
R134
1K
R135
1K
C134
16V4.7
C135
16V10
C132
330P
C131
100P
C133
330P
C150
0.1
C151
10V100
C140
16V10
C141
16V10
R131
220
R138
22K
C143
16V10
C142
16V10
R166
100K
R165
100K
R168
100K
R169
100K
R170
4.7K
C162
50V1
C122
16V10
R167
100K
R161
100K
R163
4.7K
13
12
11
10
9
8
7
6
5
4
3
2
1
14
R201
220
R202
220
R220
4.7K
R225
1K
R226
1K
C224
16V47
6
7
8
1
2
3
4
5
R456
10K
R459
47K
R458
47K
C457
0.22
R457
2.2K
R460
47K
C456
0.22
R213
22K
C203
100P
C205
50V1
C204
16V47
R208
10K
C455
0.22
R206
4.7K
R207
33K
R212
4.7M
R21
1
4.7M
R205
4.7K
R204
33K
R203
10K
R209 22K
C201
50V1
C202
100P
R210
47
C136
16V47
C137
16V10
C138
16V4.7
C139
100P
R137
8.2K
C152
1
Q104
TRC144EUL-A
Q115
TRC144EUL-A
R
111
10K
SWITCHING
SWITCHING
R141
22K
R132
220
AT
T
Q102
TRC114TUL-A
ATT DRIVE
Q101
TRC114TUL-A
ATT DRIVE
C109
16V10
IC103
000474780-T
SIGNAL SELECTOR
R162
2.2K
Q105
TRC1037QL
SWITCHING
C161
50V1
IC102
000774860
AMB CONTROL
VO
R
VO
L
SP
R
SP
L
Q106
TRC114YUL-A
SWITCHING
Q202
TRC114TUL-A
MUTING
Q201
TRC114TUL-A
MUTING
Q204
TRC343TKL
MUTING
Q203
TRC343TKL
MUTING
MIC
MUTE
MUTE
MIC
OUT
13
12
11
10
9
8
7
6
5
4
3
2
1
14
CB
H/S
IC201
000474790-T
HS MIX AMP
IC405
BU4066BCF
SIGNAL SELECTOR
CB
AUDIO
Q405
TRC1037QL
SWITCHING
Q404
TRC114YUL-A
SWITCHING
HS L
HS R
SCHEMATIC DIAGRAM-8
:POSITIVE VOLTAGE LINE
CIRCUIT
(CN101) on
SCHEMATIC
DIAGRAM-3
CIRCUIT
(CN211) on
SCHEMATIC
DIAGRAM-3
CIRCUIT
(CN212) on
SCHEMATIC
DIAGRAM-3
AU
H/S
2.8V
R164
2.2K
RM-G45(PA) AMB SCHEMATIC DIAGRAM
AMB1
Q103
TRA114YUL-A
ATT CONT.
0V
0V
0V
7.8V
5V
5V
5V
4.8V
9.2V
7.8V
5V
5V
5V
9V
5V
5V
5V
0V
0V
0V
0V
0V
0V
0V
0V
7.6V
9.2V
4.8V
4.4V
4.8V
4.8V
0V
0V
4.4V
4.8V
4.8V
4.8V
7.6V
7.6V
0V
0V
0V
0V
0V
0V
0V
4.4V
4.6V
4.4V
0V
4.6V
4.6V
4.6V
4.6V
0V
4.6V
4.6V
4.6V
4.6V
9.2V
9.2V
9.2V
0V
0V
5V
RM-G45PA
15