Sharp R-1211 Service Manual page 27

1
A
B
N.O
AC(N)
C
OVEN LAMP
TURNTABLE
COM
MOTOR
FAN MOTOR
N.O
AC(H)
COM
MICRO
D
A 3
HOOD LAMP
HOOD LAMP
A 1
COMMON
E
A5
HOOD LAMP
CN-A
B-2
DOOR
SENSING
SWITCH
F B-1
CN-B
G
NOTE
: IF NOT SPECIFIED, 1/4W ± 5%
H
1
2
3
T1
D1-D4
1N4002
1 5
D3
d D4
3 8
a b
c
RY1
RY2
RY3
RY4
D20 1SS270A
D40 1SS270A
Figure S-2. Power Unit Circuit
2 3
4
D1
+
D2
–
Q1 2SB1238
R1 680 1w
R5 680 1w
– +
C21
10µ/35v
Q21
KRC243M
Q22
KRA101M
IC2
BA4558
5
8
7
IC2
4
6
R53 1.8kF 1/4w R54 360kF 1/4w
R50 330 1w
CN-F
4
25
R-1210
R-1211
5 6
CN-C
C 1 GND
+
–
VA
C 2
C 3 INT
OVEN LAMP
TURNTABLE
C 4
MOTOR
FAN MOTOR
C 6
BUZZER
C 5 MICRO
HOOD
C 7
LAMP
HOOD
C 8
LAMP
DOOR
SENSING
C 9
SWITCH
AHR
C11
C10 AHA
5 6
A
B
C
D
E
F
G
H