Sharp R-22AM Service Manual

43
R-22AM
R-23AM
R-23AT
6
45
1
2
3
6
45
1
2
3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
Figure S-3. Control Panel Circuit (R-23AM)
POWER
%
ON
6G 5G 4G 3G 2G 1G
aa aa
b
c
d
e
f
g
h
a
b
c
d
e
f
g
126
1
F
1
F
P
N
C N
B
L
B
U
hgfedcba
G
1
G
2
G
3
G
4
G
5
G
6
ijk
P
N
2
F
2
F
P30
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
P00
P37
P36
P35
P34
P33
P32
P31
VCC
VSS
XOUT
XIN
P70
P71
RESET
INT0
INT1
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
P60
AN1
AN2
AN3
AN4
AN5
AN6
AN7
VREF
AVSS
VEE
CF1 CST4.00MGW
2200p C80
16V
2200p C81
16V
3335404550556064
32302520151051
IC1 IZA648DR
R80 R81 220K 220K
15KR85
15KR84
R82
4.7K
R83
4.7K
E 5F 5
F 4 E 4
E 3F 3
F 2 E 2
E 1F 1
K 3 K 2 K 1
J 3 J 2 J 1
ENCODER
B A
COM.
SW3
SW1
SW4 SW2
SW.UNIT
G 2 G 1 I 1
I 2
SW5
START
SW.UNIT
R63 47K R37 47K R36 47K
D32
D33
R51 5.1K
3.3K
(J4)(J3) (J2)(J1)
VA
C60
0.01µ 25V
MAGNETRON THERMISTOR
STOP SWITCH
OVEN THERMISTOR (1)
OVEN THERMISTOR (2)
H 3
H 1
B 1B 2B 3
Q70
KRA101M
R70
3.3K
SP1
D50 R50
100
C50
D20
11ES1
R40
1.1K
R41
110K
R42
3.3K
: IF NOT SPECIFIED, 1SS270A : IF NOT SPECIFIED, 1/4W ± 5% : IF NOT SPECIFIED, 0.01µ / 16V
TAB4 TAB3 TAB2 TAB1
A 1 A 3 A 5 A 7
OVEN LAMP BLOWER MOTOR STIRRER MOTOR 
AC230V 50HZ
HIGH VOLTAGE TRANSFORMER 1 HIGH VOLTAGE TRANSFORMER 2
D31
R33
1K
R32
1K
D30
R22
39 1/2W

R23
39 1/2W

R31
2.0K
R35
300K
C31
22µ25V
R30
2.0K
R34
300K
C30
22µ25V
+
–
+
–
D23
CT2
CT1
RY3

RY2

RY1

D21
VRS1
10G471K
(J9)
Q21
DTD143ES
Q22 DTB143ES Q23 DTB143ES
7
8
4 5
3 1
+–
C21
4.7µ 35V
0.1µ 50V
C10
R20
470
Q20 DTA114YSA
Q10
KRA101M
C20 0.1µ 50V
+–
C11
T1
D1–D4 : 11ES1
D1
D3
D2
D4
C1
0.1µ 50V
C2
1000µ 35V
+
–
VR
VA
ZD1
HZ12C1
R1 1.8K
Q1 2SB953
+
–
C3
3.3µ 50V
C4
0.01µ 25V
+
–
R2
(5)
560 1/2W
C5
47µ 16V
ZD2
HZ4C3
R3 1K
Q2
2SA933ASTP
R10
15K
VC
C6
C7
R4
15K
+
–
+
–
D5 D6 D7
11ES1 11ES1
C8 100µ 16V
VP
C9 22µ 25V
R5 15 1/2W
C12
0.1µ
50V
CONTROL UNIT
a
b
cd
R65
1.8K
C90
R90 4.7 K
R91 6.8 K
18K
D22


/100%
/ 50%
/ 20%
/ 10%

Sharp R-22AM Specifications

General

Brand	Sharp
Model	R-22AM
Category	Microwave Oven
Language	English