Sharp R-82STM (serv.man2) Service Manual ▷ View online
82STM - 17
SCHEMATIC DIAGRAM
Figure 0-1. Shematic Diagram
125/-20 C
C
150/130
C1
C3
STOR
THERMI-
N
0.22 /250V
G-Y/15
/15
/15
FILTER
NOISE
NOISE SUPPRESSION COIL
LIVE
NEUTRAL
*
H.V. RECTIFIER
RECTIFIER
*
ASYMMETRIC
BRN
BLU
TRANSFORMER
*
POWER
*
MAGNETRON
EARTH
DIAGRAM
SCHEMATIC
RY2
RY4
RY3
N.O
N.O
COM
N.O
COM
COM
FM
OL
TM
T
CM
UNIT
CONTROL
FUSE
F8A
F8A
STOP
SWITCH
SWITCH
B1
B2
T/C TRANSFORMER
OVEN LAMP
CONVECTION
FAN MOTOR
FAN MOTOR
TURNTABLE
MOTOR
A1
E1
E3
E5
E7
A3
FUSE 15A
1.16 F
AC2100V
CAPACITOR
FAN
MOTOR
MODEL: R-82STM
230-240V 50Hz
CONV.THERMAL CUT-OUT
MONITORED
SWITCH
LATCH
RY6
RY5
RY1
D3
D1
A5
CUT-OUT
THERMAL
OVEN
CUT-OUT
THERMAL
MG
GRILL HEATER (TOP)
BOTTOM HEATER
NC
MONITOR
SWITCH
SWITCH
680K/0.5W
4700p/250V
4700p/250V
10M/0.5W
L
sw3
sw1
sw2
* INDICATES PARTS WITH POTENTIALS OVER 240V
*
82STM -
1
8
WIRING DIAGRAM
Figure S-1. Pictorial Diagram
BLK
BLU
D
E
R
RED
T
H
W
T
H
W
RED
K
L
B
WHT
WHT
WHT
WHT
WHT
U
L
B
BLU
BLU
BLU
K
L
B
BLK
BRN
BRN
R
Y
G
Y
G
R
T
H
W
WHT
U
L
B
BLU
ORG
ORG
ORG
ORG
BLK
BLK
RED
RED
ORG
ORG
ORG
K
L
B
BLK
U
L
B
BLU
T
H
W
WHT
GRY
GRY
GRY
GRY
GRY
GRY
T
H
W
WHT
1
GRN
2
RED
OVEN
N
R
B
U
L
B
CAPACITOR
VOLTAGE
HIGH
SHORT
PROTECTOR
RECTIFIER
HV WIRE B
HV WIRE A
POWER TRANSFORMER
MAGNETRON
STOP
TOP HEATER
MAGNETRON
THERMAL
THERMAL
CUT-OUT
CUT-OUT
TOUCH CONTROL
HIGH VOLTAGE COMPONENTS
SWITCH
MONITORED
LATCH
MONITOR
SWITCH
SWITCH
MOTOR
CONVECTION
THERMISTOR
UNIT
FILTER
NOISE
MAINS SUPPLY CORD
FAN MOTOR
OVEN LAMP
TURNTABLE
MOTOR
BOTTOM HEATER
TRANSFORMER
LOW VOLTAGE
RED
GRN
K
T
H
W
U
L
L
G
O
D
D
E
E
N
N
R
R
R
R
R
B
B
B
B
2 3 4 5 6 7
7
6
5
4
3
2
1
1
BLK
BLK
2
1
3
COM
NO
NO
COM
COM
NO
NO
COM
RY3
RY1
RY2
RY4
CN-A
CN-E
CN-B
CN-C
BLU
BRN
G/Y
LIVE
NEUTRAL
EARTH
D
E
R
D
E
R
CONV.
CUT-OUT
THERMAL
82STM -
1
9
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
µ
/50v
C2 470
µ
/50v
C20 10
µ
/35v
IC1 IZA930DR
C21
0.1
µ/50v
C6 10
µ
/35v
C7 0.1
µ
/50v
0.1
µ
/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
µF/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
%
82STM -20
WIRING DIAGRAM
Figure S-3. Printed Wiring Board
0
LD1
WH - A
WH - A
LD2
LD3
1
F
2
6
D6
Q3
E
R73
R72
R3
R2
R11
R40
R1
ZD3
D30
21
23
E
E
E
E
E
B
B
B
B
P1
D25
CN - E
VRS1
29
28
30
31
(RY1)
RY1
R22
(J16)
(J16)
D20
Q22
Q5
Q26
Q1
Q21
Q24
24
C8
16
R71
R70
C5
C9
C7
C4
(J15)
(J7)
(J6)
(J8)
(J9)
(J6)
(J8)
(J9)
(J14)
3
R74
R68
CF1
Q2
D1
C1
C2
C20
26
27
C3
Q40
Q20
Q23
(J11)
(J10)
R21
R20
D28
ZD2
CR60
CN - G
B
B
B
E
E
E
C21
C30
C80
C50
C51
13
12
14
R83
C90
R5
R8
R9
R10
R6
15
D5
R69
R82
R4
22
25
20
19
18
17
R91
R30
R100
R81
(J13)
CN - C
CN - B
CN - A
RY4
RY8
RY6
RY7
RY5
ZD4
E
B
32
Q27
Q25
Q6
D21
R12
(J12)
RY3
D22
D23
R52
CN - D
(J1)
1
3
1
3
5
7
B
Q28
E
E
B
R53
RY2
SW1
D24
D27
D26
A
B
C
R50
R51
R31
R90
R80
10
C6
11
33
ZD1
IC2
CN - F
9
8
7
(J2)
(J3)
4
5
LD4
QKITPA019URE0
LD5
17
18
81
100
1
30
31
50
IC1
51
80
34
1
1
11
2
4
3
12
3
11
2
5
1
7
31
1
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