Read Sharp R-871M Service Manual online
871M -
2
0
Figure S-2. Control Panel Circuit
WIRING DIAGRAM
+
—
+
—
+
—
+
—
E 1
E 3
WH-A
E 5
E 7
T1
AC230-240 V
50Hz
CONVECTION
FAN MOTOR
OVEN LAMP
TURNTABLE
MOTOR
LOWER
HEATER
UPPER
HEATER
HIGH
VOLTAGE
TRANSFORMER
FAN MOTOR
DOOR SWITCH
OVEN THERMISTER
510 1w
R1
510 1w
R2
D1
RY5
RY6
RY1
RY4
RY3
RY2
VRS1
a
b
c
d
C1 0.1
/50v
C2 470
/50v
C20 10
/35v
IC1 IZA930DR
C21
0.1 /50v
C6 10
/35v
C7 0.1
/50v
0.1 /50v
C3
C4
C5
D5
D6
Q2
DTA123ES
Q1
KRA101M
Q40
KRA101M
Q25
KRA101M
Q21
KRA101M
Q20
KRC243M
Q24
KRA101M
Q23
KRA101M
Q22
KRA101M
Q6
2SB1238
Q26
KRA101M
D28
11ES1
Q3
2SB1238
(J9)
(J7)
FLUORESCENT DISPLAY TUBE
CONTROL UNIT
KEY UNIT
(J3)
(J8)
(J6)
(J2)
SP1
(J1)
D24
D25
D20
D30
D23
D22
D21
R12 1.5k
ZD4 HZ20-1
R40 3.3k
R8 15k
R10 15k
R9 15k
R21 130 1w
R20 130 1w
R3 4.7k
R30 15k
R81 360F
G11
G7
G2
10 min.
1 min.
CAKE
10 sec.
PIZZA
LESS
STOP/
CLEAR
RICE/
PASTA
OVEN
CHIPS
MIXED
GRILL
AUTO
COOK
START
CLOCK
AUTO
MINUTE
AUTO
DEFROST
CHICKEN
PTNS
BREAKFAST
BAKED
POTATOES
AUTO
START
DUAL
CONVECTION
GRILL
CONVECTION
TEMPERATURE
MICROWAVE
POWER
LEVEL
G5. 9
R69 4.7k
R68 4.7k
R70 4.7k
R71 4.7k
R72 4.7k
R73 4.7k
R74 4.7k
R83 15k
R31 4.7k
R82 12kF
CR60
G12
G10
G8
G6
G4
G1
G3
R80 300kF
NOTE
: IF NOT SPECIFIED 1/4w – 5%
: IF NOT SPECIFIED 1SS270A
: IF NOT SPECIFIED 0.01 F/16v – 5%
C30
CF1
4MHz
C80
R5 16
R6 4.7k
R4 4.7k
ZD1 HZ5C2
ZD2 HZ4A2
LD1 LD2 LD3 LD4 LD5
A 3
A 1
D 3
B 1
B 2
C 1
C 3
D 1
A 5
NO
COM
NO
COM
NO
COM
SEG10
C1
5
10
15
20
25
30
55
60
65
70
75
80
35
45
85
90
95
50
VL1
C2
VL2
VL3
COM0
COM1
P73
P72
P71
P70
RESET
XCIN
XCOUT
XIN
XOUT
VSS
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
COM2
COM3
AVSS
VREF
VCC
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P57
P56
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
P56
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
P41
P40
P77
P76
P75
P74
P40
P77
P76
P75
P74
INT1
INT0
INT0
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
P10
P11
P12
P13
P14
P15
P11
P12
P13
P14
P15
MORE
GRILL
TIMER
Info
Kg / Lb
Kg
¥
Lb
g
¥
oz
MICRO
Lbs Kg Oz AUTO
COOK nfo
%
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