Sharp R-203BW - Control Panel Circuit

29
R-203BW
R-209BK
R-220BW
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-2. Control Panel Circuit
+
–
+
–
+
–
+
–
A3 A1
NO
B1 B2
COM
VRS1
a
b
(J1)
d
c
3
1
4
2
RY1 RY2
T1
D1 D4
D2 D3
D1~D4:11ES1
D20
D40
D21D22
C1 0.1µ/50v
C2 470µ/25v
C3 0.01µ/16v
C4 47µ/16v
R2 1k
Q1
2SA933
R3 15k
C5
0.1µ/50v
SP30
R1 910 1/2w
R4 15k
R30
3.3k
R5
15k
D5
C6 0.01µ/16v
Q30 DTA143ES
Q21 DTD143ES
Q22 DTA143ES
Q20 DTA143ES
C21 10µ/35v
C20 0.1µ/50v
R41
4.7k
R40 15k
C40
0.01µ/16v
R20 15k
VC
(J2)
(J4)
(J6)
(J3)
(J5)
(J7)
C70
0.01µ/16v
S12
S11
S10
S 9
S 8
S 7
S 6
S 5
S 4
S 3
S 2
S 1
C 3
C 2
C 1
C71
33p
R70
10kF
R57 15k R58 15k R59 15k R60 15k
R64 220k
R63 220k
R62 220k
R61 220k
C64
C63
C62
C61
C61~C64 330pF/50v x 4
G10
G 9 G 8 G 7
G 6 G 5 G 4 G 3 G 2 G 1
R55
15k
R54
15k
R53
15k
R52
15k
R51
15k
R50 
15k
R80 15k
0
9
7
8
5
6
1
2
43
START
MINUTE
PLUS
EXPRESS
DEFROST
POWER
LEVEL
STOP
CLEAR
TIMER
CLOCK
POPCORN
BEVERAGE
BAKED
POTATO
DINNER
PLATE
FRESH
VEGETABLES
ROLL,
MUFFIN

IC1 IZA868DR
1
42 40 22 25 30 35
10 5 15 21
SEG 0 SEG 1 SEG 2 SEG 3 SEG 4 SEG 5 SEG 6 SEG 7 SEG 8 SEG 9
SEG10 SEG11
R60 R61 R62 R63
AIN0 AIN1 AIN2 AIN3
VSS
VDD
COM 4 COM 3 COM 2 COM 1
VLC
HOLD
RESET
X OUT
X IN
R92 R91 R90 R83 R82 R81
INT2
R73 R72
PULSE
R70
NOTE :
IF NOT SPECIFIED, 1/4w ± 5% IF NOT SPECIFIED, 1SS270A
AC120V 60Hz
OVEN LAMP TURNTABLE MOTOR FAN MOTOR
DOOR SWITCH
MICRO
CONTROL UNIT
KEY UNIT
ON DEF. LBS. QTY. CHECK
LIQUID CRYSTAL DISPLAY
ZD1
HZ4C3
