Read Sharp R-234 (serv.man3) Service Manual online
R-234 - 31
Figure S-2. Control Panel Circuit
CONTROL PANEL CIRCUIT DIAGRAM
+
–
+
–
+
–
+
–
+
–
+
–
D1:1N4005E
VRS1
A1
COM
NO
B1
B2
A5
STOP SWITCH
OVEN LAMP
TURNTABLE
MOTOR
FAN MOTOR
HIGH
VOLTAGE
TRANSFORMER
AC(N)
FAN
MOTOR
A
C230V
5
0Hz
AC(L)
D80
A
Kg
B
C
D3 1N4005E
D70
1N4005E
Q20
KRA
101M
Q21
KRC105M
Q70
KRC105M
Q30
Q40
VC
KRC101M
2SA
1267Y
RY1
10G471K
RY2
D71
1N4005E
D74
C43
C44
C80
C42
C21
C10 0.1
µ
/50v
D10
R10 27k
R11 27k
R12 10k
SP30
3.3k
ZD40
HZ4C3
1k
2w
1k
2w
1k
2w
1k
2w
1k
2w
R5
R30
10k
R60
R60
10k
R61
R61
4.7k
4.7k
R62
R63
15k
R20 8.2k
R81 4.7k
R72 8.2k
R80 15k
(J3)
(J2)
(J4)
(J6)
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
VSS
R70
S1
S2
S3
S4
S5
S12
S11
S10
S9
S8
S7
S6
C3
C2
C1
22
25
30
35
40
42
21
1
5
10
15
R71
R72
R73
R81
R83
R90
R92
XIN
XOUT
RESET
HOLD
VLC
COM1
COM2
COM3
COM4
VDD
R91
INT2
INT1
AIN3
AIN2
AIN1
AIN0
R63
R62
R61
R60
(J5)
(J7)
R31 15k
R64 100k
R42
10kF
R50
1k
R41
R41
1.5k 1/2w
R40
R40
ZD21
ZD20
ZD1 HZ12C1
HZ12C1
HZ12C1
C70 47
µ
/35v
C20 220
µ
/35v
C1 220
µ
/16v
C71 100
µ
/35v
C22 0.1
µ
/50v
IC1 IXA084DR
STOP
Express
cook &
DEFROST
+ 1 min
NOTE :
IF NOT SPECIFIED, 1/4
±
5%
LIQUID CRYSTAL DISPLAY
SW1
SW2
SW3
SW4
SW60
C40 0.1
µ
/50v
0.1
µ
/50v
C41 47
µ
/16v
C61
C60
C50 33p/50v
10
µ
/35v
R73 15k
R70 360 1w
R71 360 1w
ZD71 HZ7C2
ZD70 HZ7C2
D72
D73
D2
LED3
LED2
LED1
1N4005E
D20
R4
R3
R2
R1
(J1)
a
b
d
c
IF NOT SPECIFIED, 1SS270A
IF NOT SPECIFIED, 0.01
µ
F / 16v
A3
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