Read Sharp R-21AT Service Manual online
28
R-21AT
6
4
5
1
2
3
6
4
5
1
2
3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
Figure S-2. Control Panel Circuit
+
+
+
–
+
–
–
–
+
–
+
–
+
–
+
–
+
–
A 3
AC230-240V
50Hz
OVEN LAMP
ANTENNA
MOTOR
FAN MOTOR
TARNTABLE
MOTOR
HIGH VOLTAGE
TRANSFORMER
A 5
A 7
N.O.
N.O.
COM
COM
B 1
B 2
DOOR
SWITCH
G12
G11
G10
G 9
G 1
G 2
G 3
G 4
G 5
G 6
G 7
G 8
7
SELECT
POWER
START
17
18
19
20
15
26
13
14
11
12
SET
CHECK
SIGNAL
DOUBLE
QUANTITY
SELECT
TIME
EXPRESS
DEFROST
STOP/
CLEAR
8
9
0
5
6
3
4
1
2
GND
17
11
1
8
16
9
12
13
14
15
16
07
13
12
11
10
9
8
7
6
5
4
3
2
1
01
02
03
04
05
06
IC3
LIGHT EMITTING DIODE
LED1
IC2
X24C02P
IC1
IZA897DR
AVSS
VREF
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P55
P54
P53
P52
P51
P50
P47
P46
A0
1
4
8
5
A1
A2
VSS
VCC
TEST
SCL
SDA
P45
P44
P43
P42
INT1
P40
P71
P70
XIN
XOUT
VSS
RESET
VCC
P30
P31
P32
P33
P34
P35
P36
P37
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
VEE
VRS1
D6 11ES1
D5 11ES1
R90 100 1w
D20
D21
C30 47
µ
/10v
C5 47
µ
/10v
C6 0.1
µ
/50v
C31
C70
R4 4.7k
(J1)
a
b
R6 1k
ZD3
HZ20-1
Q24
2SC1740S
RY3
RY2
JA
R30 100
R71 4.7k
R80 4.7k
R81 4.7k
R82 4.7k
R83 4.7k
D23
D70
R32 2.7k
R33 4.7k
R31 15k
R70 4.7k
R5 4.7k
R88 4.7k
R87 4.7k
R86 4.7k
R85 4.7k
R84 4.7k
c
d
D1
D2
D4
D1-4 11ES1
C10
470
µ
/25v
C11 470
µ
/50v
C21
10
µ
/25v
(J3)
(J5)
(J4)
(J6)
C20
0.1
µ
/50v
Q3
DTC143ES
Q20
DTB143ES
Q21
DTC143ES
CF1
CST4.00MGW
Q22
DTD143ES
Q2
DTA123ES
SP1
Q1 KIA7805P1
C1 2200
µ
/25v
C8 0.1
µ
/50v
C2 0.1
µ
/50v
C9
0.1
µ
/50v
C3 47
µ
/10v
C4 0.1
µ
/50v
R3 4.7k
R40 2.7k
R50 100
NOTE :
: IF NOT SPECIFIED. 1/4W
±
5%
: IF NOT SPECIFIED. 1SS270A
: IF NOT SPECIFIED. 0.01
µ
/ 16v
R51 100
R52 100
R53 100
R54 100
R55 100
R56 100
R57 100
R58 100
C7
D2
HZ4A2
C13 10
µ
/25v
D3
T1
10G471K
ON
DEF.
NO.
X 2
CHECK
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