Sharp MD-M3 Service Manual page 37

FM SIGNAL
ICX11
LA4451
WER AMP.
9 8 7 6 5 4
12 11 10
CX25
0.1
CX26
0.1
CX28
100/50
:H
TE:OPEN
RX25
6.8K
Q801
R805
2SD2012
2.2
9V 18.10V
CX30
2200/50
12.87V
R803
680
C803
31.98V
1/50
ZD801
DZ13A
7
3
+16V
5V
+16V
7
+12V(D)
RX53
27K
DGND
3 2 1
CX31
47/50
CX33
2200/25
CX34
2200/25
RX28
4.7
(1/2W)
RX27
4.7
DX15
(1/2W)
1N4004S
D951
TS4B03GM
~
C951
0.047
+ – (ML)
+26V
C952
0.047
(ML)
+16V
~
18.28V
D952
TS4B03GM
~
C953
0.047
(ML)
–
+ C954
0.047
(ML)
~
–18V
–19.85V
C959
47/50
C960
47/50
R955 C961
100/35
12K
R956
100
–30.6V
–24.43V
–54.1V
ZD952
Q951
DZ5.6B
KTA1023 Y
R954
R953
–30.05V
220
220
–31V
8 9
Figure 37 SCHEMATIC DIAGRAM (5/14)
RX58
ZDX52
47
DZ6.2B
12.30V(10.96V)
QX51
HSC1815 GR RX57
3.9K
RX56
11.78V
4.7K
0V
QX52
CX51
RX59
0V KTA1270 Y
10/35
22K
DX56
0V
1
DS1SS133
AMP FAN
2
3
12.30V(0.51V)
0V
QX53
(4.02V)
KRC107 M
–30.6V
R957
4.7K
R951
1.8(1/2W)
R952
1.8(1/2W)
10
– 37 –
MD-M3/M1
MAIN PWB-A(2/3)
CX53
FWX51
47/25
1 1 1 1
2 2 2 2
12.30V
3 3
(7.89V)
NC
FAN MOTOR
0V
RX60
270
TMX11
SPEAKER
+
LEFT
–
–
RIGHT
+
Z TO PRE SECTION
P35 7-A
BI991 CNS991
1
2
3
4
5
6
7
11
M
MOX51
1 S1 A
2 S1 B
3 S2 A
4 S2 C
S2 B
5
S3 A
6
7 S3 B
12