Sharp MD-M3 Service Manual page 47

1N4004S
D906
DS1SS133
D903
DS1SS133
D904
DS1SS133
R907
4.7K
1 2
IC901
4.95V
XC61CN40
3
RESET
0V
PWB-C2
POWER TRANSFORMER (MAIN)
F995
4A/125V
F996
3.15A/125V
F997
3.15A/125V
4 5 6 7
CNS991
MAIN PWB
37 12-G
7
IC902
D902
AN78L05
CONSTANT
VOLTAGE REGULATOR
D901
1N4004S
11.46V
5.64V
3 1
2
0.59V
T991
3 3 3
2 2
2
1 1 1
TF991
8 9
Figure 47 SCHEMATIC DIAGRAM (12/14)
POWER/TUNER PWB-C1(2/2)
D991-D994
1N4004S
D991 D994
12.10V
D992 D993
C901
2200/25
R922
47K
4.17V 0.81V
R921
Q911
4.7K
HSC1815GR
D911
DS1SS133
RL990
RELAY
10
– 47 –
MD-M3/M1
T990
POWER TRANSFORMER (SUB)
C993
0.047
(ML)
R991
4.7M
(1/2W)
0V
0.48V
(0.23V)
C990
0.0047
SO990
AC INPUT
SOCKET
L990
LINE FILTER
11
AC POWER
SUPPLY CORD
AC120V 60Hz
12