Sharp R-820BW Microwave Oven User Manual


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10
R-820BK
R-820BW
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. GRILL PAD TOUCHED.
3. NUMBER "2" PAD TOUCHED.
4. COOKING TIME PROGRAMMED.
5. START PAD TOUCHED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. GRILL PAD TOUCHED.
3. NUMBER "1" PAD TOUCHED.
4. COOKING TIME PROGRAMMED.
5. START PAD TOUCHED.
Figure O-3a Oven Schematic-Grill cooking Condition (TOP AND BOTTOM HEATER mode)
NOTE: Indicates components with potential above 250 V.
Figure O-3b Oven Schematic-Grill cooking Condition (TOP HEATER mode)
FM
TTM
OVEN LAMP
FAN MOTOR
TURNTABLE 
MOTOR
H.V. RECTIFIER
CONTROL UNIT
RPIMARY
INTERLOCK RELAY
COM.
COM.
COM.
N.O.
COM.
N.O. N.O.
N.O.
A1
DOOR
SENSING
SWITCH
BRNBLU
G-Y
EARTH
LIVENEUTRAL
RY4
RY3
RY2:
RY6
RY5
CM
CONVECTION
MOTOR
THERMISTOR
RY1
CAPACITOR
0.94µF
AC2200V
GRILL HEATER (TOP)
BOTTOM HEATER
MAGNETRON
POWER 
TRANSFORMER
B2
B1
A3
A5
D1
D3
SECONDARY
INTERLOCK SWITCH
THERMAL CUT-OUT
(OVEN)
THERMAL
CUT-OUT
(MAG.)
MONITOR SWITCH
FUSE 20A
120V
~ 60Hz
OL
FM
TTM
OVEN LAMP
FAN MOTOR
TURNTABLE 
MOTOR
H.V. RECTIFIER
CONTROL UNIT
RPIMARY
INTERLOCK RELAY
COM.
COM.
COM.
N.O.
COM.
N.O. N.O.
N.O.
A1
DOOR
SENSING
SWITCH
BRNBLU
G-Y
EARTH
LIVENEUTRAL
RY4
RY3
RY2:
RY6
RY5
CM
CONVECTION
MOTOR
THERMISTOR
RY1
CAPACITOR
0.94µF
AC2200V
GRILL HEATER (TOP)
BOTTOM HEATER
MAGNETRON
POWER 
TRANSFORMER
B2
B1
A3
A5
D1
D3
SECONDARY
INTERLOCK SWITCH
THERMAL CUT-OUT
(OVEN)
THERMAL
CUT-OUT
(MAG.)
MONITOR SWITCH
FUSE 20A
120V
~ 60Hz
OL
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