Sharp R-231F Service Manual

R-231F
26
Figure S-2. Control Panel Circuit
1
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
23456
123456
+
–
+
–
+
–
G 7
GND
B1
NO
COM
A1 A3
CN-A CN-B
B2
-5V
INT
VR
P42 P41 P40
BZ
COM
M
DOOR
G 1 G 2
6
POWER UNIT
CPU UNIT
IC-1
3 9
2 5 0 8
4 1 7
G 3 G 4 G 5 G 6
G 8 G 9
G10
RESET
TEST
VSS
OSC3 OSC4
VD1
VDD
AVDD
AVREF
SEG12 SEG11 SEG10
SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0
COM3 COM2
BZ
R00
VC3
VC2
VC1
SEG19
SEG18
SEG17
SEG16
SEG15
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
COM3
COM2
COM1
SEG14
SEG13
R01
R02
R03
P20
P21
P22
P23
K00
K01
K02
K03
COM0
COM1
AVSS
P40 P41 P42 P43
C2 470µ/25v
C21 10µ/35v
C8 220µ/10v
R5 1k
R30 3.3k
R20 15k
R10 15k
R50 20kF
R6 15k
C10
0.1µ
/25v
C4
0.01µ
/25v
C20 0.1µ/25v
C5 0.1µ/25v
C7 0.1µ /25v
C6 0.1µ/25v
1 14
15
29 45
54
30 44
C3 0.01µ/25v
C40 0.01µ/25v
C11
0.01µ/25v
C1 0.1µ/25v
ZD1 HZ4B3
(J1)
D20D21
D22
(J10)(J11)
(J12)(J13)
(J14)(J15)
VRS1
10G471K
R4 910 1/2w
R41 15k
R40 4.7k
R75 220k R76 220k R77 220k R78 220k
SP1
D40
:
IF NOT SPECIFIED, 1/10W
±
5%
:
IF NOT SPECIFIED, 1SS270A
Q10 DTA143EAK
Q21 DTD143ES
Q22 DTA123JS
Q1 2SA1037AK
Q30 DTA143EAK
Q20 DTA143EAK
D1
D2
ab
c
d
D4
D3
T1
RY1 RY2
AC(N) AC(H)
OVEN LAMP TURNTABLE MOTOR FAN MOTOR 2ND. INTERLOCK RELAY CONTROL SWITCH
NOTE
MICRO
D1-D4 1N4002
RST
LIQUID CRYSTAL DISPLAY
KEY UNIT
AC230-240V 50Hz
COOK DEF KG QTY CHECK
POWER
LEVEL
INSTANT
COOK
START
JACKET
POTATO
FROZEN
VEGETABLES
BEVERAGE
FRESH
VEGETABLES
TIMER
CLOCK
EASY
DEFROST
DINNER
PLATE
EXPRESS
DEFROST
RICE PASTA
STOP
CLEAR

Sharp R-231F Specifications

Power

AC power required	1.21 kW
output power	800 W
microwave frequency	2450 MHz

Weight and Dimensions

outside width	460 mm
outside height	275 mm
outside depth	353 mm
cavity width	322 mm
cavity height	212 mm
cavity depth	336 mm
weight	12 kg