Service manual

3-51
March 2000
Part No. 001-3139-502
RDM AUDIO REVERT OPTION
FIGURE 3-41
FOLDOUT
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
R705
R706
C703
C702
R704
C705
C708
C706
R703
1
4
5
8
U701
P701
P702
WO701
WO703
WO702
14
68
9
11 13
16
K701
C704+
+ C706
+C701
R701
R702
WO705
WO707
CR701
Q701
CR702
Q702
14
68
9
11 13
16
K702
R708
R707
WO704
R709
+ C709
WO706
16
15
14
12
11
9
8
7
5
4
3
2
1
TO MAIN BOARD ASSEMBLY
023-2000-700
1
2
3
4
5
6
8
1
2
4
6
7
8
CONNECTOR
515-7110-008
P701
P702
WO 703
WO 702
WO 701
REPEATER RS-232
RDM RS-232
+15V
+9V
-5V
K701
RVM RS-232
INDIC OUT
INDIC IN
RVM AUDIO
RDM AUDIO
RELAY CONTROL
CR701
Q701
3658
+15V
R707
4.7k
R708
1k
REPEATER AUDIO
+
C701
1
R701
10k
R702
100k
+
U701
2904
R703
10k
R704
82k
C702
.001
R705
47k
+
U701B
2904
C703
220pF
R706
100k
+
C704
1
K702
CR702
Q702
3658
+15V
R709
1k
5
7
3
+15V+9V-5V
C705
.01
WO 704
WO 705
+
C707
10
C706
.01
WO 706 WO 707
+
C709
10
C708
.01
P701
P702
6
10
13
TO MAIN BOARD ASSEMBLY
023-2000-700
CONNECTOR
515-7110-008