Sharp MD-C2 Service Manual page 40

MD-C2
A
MAIN PWB-A(3/3)
B
C
FM SIGNAL
CD SIGNAL
MD SIGNAL
TAPE SIGNAL
TAPE RECORD SIGNAL
D
MD RECORD SIGNAL
SUR_ON/OFF
(OS–CON)
E
RS03
1K
RS05
820
0V
QS02
K246 GR
0V
F
RS06
RS04
820
1K
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 29.
1
P37 7-H P39 12-D,E
TO MAIN
TO MAIN
PWB(1/3) PWB(2/3)
34 33 41 42 50
RU54
RU73
1K
470
RU53
1K
CU51
100P
CU49
100P
RU31
10K
1 2 3
0V 0V 0V
10.6V
8
ICU01
NJM4558MF–
OPE AMP.
4
–12V
0V 7 6 5
0V 0V
RU32
10K
CU48
100P
CU50
100P
DS01
1SS133
CS05
4700P
RS09
4.7K
3 2 1
0V 0V 0V
10.6V
8
CS03
0.0047 ICS01
NJM4565M
OPE AMP.
CS04
0.0047
4
–12V
5 6 7
0V 0V
0V
RS10
4.7K
CS06
0.0047
2 3
Figure 40 SCHEMATIC DIAGRAM (5/16)
CU45
2.2/50
RU29 RU27
1K 100K
RU25
220
+B
CU47
0.047
CU46
RU26
2.2/50
220
–B
RU28
RU30
100K
1K
CU44
2.2/50
QS01
KRA107 M
2
4.9V
–11.9V
3
1
4.3V
CS08
47/25
4
– 40 –
P39 1-C
TO MAIN PWB(1/3)
40 39 38
CU86
2.2/50
1
0V RBB1
2
RBB2
0V
5V
3
RBBOUT
0V
4
RTIN
RU16
CU18 0.039 (ML)
5V
5
12K
RF1C1
CU20 0.039
5V
6
RF1C2
(ML)
CU22 0.0033 5V
7
RF2C1
(ML)
5V
8
RU18
RF2C2
CU24 0.0033
12K 5V
(ML)
9
RF3C1
CU26 0.18
5V
10
RF3C2
CU28 0.1 4.9V
11
RF3C3
CU30 0.0047
4.9V
12
(ML) RF4
5V
13 RTOUT
CU32 2.2/50
5V
14 RVR1IN
CU34 2.2/50 5V
RVR2IN
15
RVR3IN
16
0V
NC
5 6
C
2
64 63
17 18