Power Unit Circuit - Sharp R-520DK Service Manual

R - 5 2 0 D K
R -520DW
R - 5 3 0 D K
R -530DW
1
A
AC
CN-A
B
OVEN LAMP
FAN MOTOR
TURNTABLE
MOTOR
AC
(CN-D)
C
MICRO
D
E
CN-A
AC
F
OVEN LAMP
TURNTABLE
MOTOR
FAN MOTOR
AC
G
MICRO
DOOR
SENSING
SWITCH
H
1
2
3
GND
D1-4
11ES1
1 4
A 1 D1
D3
A 2
D2
d 3 6 D4
T1
a b
c
RY1
NO
COM
D 1
D 3
RY2
NO
COM
D1-D4
T1
11ES1
1 4
A 1
D3
A 2
d 3 6 D4
a b
c
RY1
NO
COM
RY2
NO
COM
B 2
B 2
2
3
4
+
–
J2
B 2 B 1
(CN-B)
DOOR SENSING
SWITCH
Q2 2SB1238
R4 27
D5 D6
R5 4.7k
D1
1SS270A 1SS270A
D2 +
–
Q1 2SB1238
R2 680 1/2w
SP1 PKM22EPT
Q3 KRC243M
+
–
4
36
5
C10 NC
C 2 GND
C 3 NC
C 9 VR
C 4
INT
C 1 VA
C 5 BUZZER
OVEN LAMP
FAN MOTOR
C 6
TURNTABLE
MOTOR
NC
C 8
C 7 MICRO
C11 NC
DOOR
SENSING
C12
SWITCH
CN-C
12PIN LEAD WIRE
HARNESS
CN-C
12PIN LEAD
WIRE HARNESS
C10
LED
C 2 GND
+
–
C 3 VC
R3 510 1/2w
C 1 VA
C 4 INT
C 9 VR
C 5 BUZZER
R6 3.3k
OVEN LAMP
C 6
TURNTABLE
MOTOR
FAN MOTOR
MICRO
C 7
C 8 NC
C11 NC
DOOR
SENSING
C12
SWITCH
5
6
A
B
C
D
E
F
G
H
6