Power Unit Circuit - Sharp R-340A Service Manual

1
A
B
A 3
C
AC220V
50Hz
D
TURNTABLE
MOTOR
OVEN LAMP
A 1
FAN
MOTOR
N.O.
MICRO
E
COM
F
G
NOTE
H
1
2
3
T1
1 3
D3
d
2 4
a b
V
R
Jumper 6
c
RY1
RY2
: IF NOT SPECIFIED, 1/4w ± 5%
: IF NOT SPECIFIED, 1SS270A
Figure S-2. Power unit Circuit
2
3
4
LD1-LD5
R4 27
D1-D4
11ES1
D5 D6
D1
+
D4
D2
–
150
D7
D8
Q3 KRC243M
+
C5
10µ/35v
–
J2
V
R
4
27
5 6
LD1 LD2 LD3 LD4 LD5
WH-1
V
R
Q2 2SA933
R5 4.7k
C 1
C 2
C 3
R3 750 1/2w
C 4
SP1
C 5
R6 3.3k
C 6
C 7
C 8
C 9
B 1
B 2
5 6
R-340A
A
B
C
D
E
F
G
H