R-212M (serv.man2) - Sharp Home Appliance Service Manual (repair manual). Page 24

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R-212M 24
NOTE: " " indicates components with potential above 250V.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. TIMER OFF.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. MICROWAVE POWER LEVEL HIGH.
3. TIMER ON.
Figure O-2 Oven Schematic-ON Condition
Figure O-1 Oven Schematic-OFF Condition
HIGH VOLTAGE
TRANSFORMER
WITH 150˚C THERMOSTAT
IN PRIMARY WINDING
MAGNETRON
 H.V. RECTIFIER
H.V. CAPACITOR
0.88µF/ AC2100V
TURNTABLE MOTOR
FAN MOTOR
OVEN LIGHT
STOP
SWITCH 
CONTROL UNIT
OVEN THERMAL 
CUT-OUT 125˚C 
MONITORED 
LATCH SWITCH 
MONITOR
SWITCH 
B2
B1
A5
A1
A3
OL
FM
TTM
N.O.
N.O.
N.C.
RY-1
COM.
N.O.
COM.
RY-2
T1
EARTH
230 - 240V 
˜
 
50Hz 
BLU
BRN
LIVE
NEUTRAL
G-Y
F: FUSE
    F8A
N
L
0.22µ/AC250V 
680K/ 0.5W 
10M/ 0.5W 
NOISE SUPPRESSION COIL 
0.0033µ/ 250V
0.0033µ/ 250V
NOISE FILTER
sw3
sw1
sw2
HIGH VOLTAGE
TRANSFORMER
WITH 150˚C THERMOSTAT
IN PRIMARY WINDING
MAGNETRON
 H.V. RECTIFIER
H.V. CAPACITOR
0.88µF/ AC2100V
TURNTABLE MOTOR
FAN MOTOR
OVEN LIGHT
STOP
SWITCH 
CONTROL UNIT
OVEN THERMAL 
CUT-OUT 125˚C 
MONITORED 
LATCH SWITCH 
MONITOR
SWITCH 
B2
B1
A5
A1
A3
OL
FM
TTM
N.O.
N.O.
N.C.
RY-1
COM.
N.O.
COM.
RY-2
T1
EARTH
230 - 240V 
˜
 
50Hz 
BLU
BRN
LIVE
NEUTRAL
G-Y
F: FUSE
    F8A
N
L
0.22µ/AC250V 
680K/ 0.5W 
10M/ 0.5W 
NOISE SUPPRESSION COIL 
0.0033µ/ 250V
0.0033µ/ 250V
NOISE FILTER
 H.V. RECTIFIER
sw3
sw2
sw1
 
SCHEMATIC
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