R-21AT - Sharp Home Appliance Service Manual (repair manual). Page 28

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26
R-21AT
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. "SELECT TIME" PAD TOUCHED.
3. COOKING TIME ENTERED.
4. START PAD TOUCHED.
Figure O-2 Oven Schematic-Cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2.        :              APPEAR ON DISPLAY.
NOTE: 
Indicates components with potential above 250 V.
Figure O-1 Oven Schematic-OFF Condition
HIGH VOLTAGE
TRANSFORMER
 MAGNETRON
 H.V. RECTIFIER
CAPACITOR
1.07
µ
F
AC2400V
ANTENNA MOTOR
FAN MOTOR
OVEN LAMP
MONITOR SWITCH
CONTROL
UNIT
THERMAL 
CUT-OUT
125˚C (OVEN)
LATCH
SWITCH
B1
B2
A5
A7
OL
FM
AM
THERMAL 
CUT-OUT
145˚C (MG)
RY-3
RY-2
1ST. INTERLOCK
SWITCH
2ND. INTERLOCK RLAY
CONTROL SWITCH
MONITOR
RESISTOR
0.8/20W
EARTH
230 - 240V
 
˜ 
50Hz 
BLU
BRN
LIVE
NEUTRAL
G-Y
FUSE
M10A
N
L
DISCHARGE RESISTOR 680 k
NOISE SUPPRESSION COIL 
NOISE FILTER
H.V. FUSE
0.75A
LINE BYPASS
CAPACITOR
0.0033
µ
F/ AC 250V
DISCHARGE
RESISTOR 10M
LINE BYPASS
CAPACITOR
0.0033
µ
F/ AC 250V
LINE CROSS CAPACITOR 0.068
µ
F/ AC 250V
HIGH VOLTAGE
TRANSFORMER
 MAGNETRON
 H.V. RECTIFIER
CAPACITOR
1.07
µ
F
AC2400V
ANTENNA MOTOR
FAN MOTOR
OVEN LAMP
MONITOR SWITCH
CONTROL
UNIT
THERMAL 
CUT-OUT
125˚C (OVEN)
LATCH
SWITCH
B1
B2
A5
A7
OL
FM
AM
THERMAL 
CUT-OUT
145˚C (MG)
RY-3
RY-2
1ST. INTERLOCK
SWITCH
2ND. INTERLOCK RLAY
CONTROL SWITCH
MONITOR
RESISTOR
0.8/20W
EARTH
230 - 240V
 
˜ 
50Hz 
BLU
BRN
LIVE
NEUTRAL
G-Y
FUSE
M10A
N
L
DISCHARGE RESISTOR 680 k
NOISE SUPPRESSION COIL 
NOISE FILTER
H.V. FUSE
0.75A
LINE BYPASS
CAPACITOR
0.0033
µ
F/ AC 250V
DISCHARGE
RESISTOR 10M
LINE BYPASS
CAPACITOR
0.0033
µ
F/ AC 250V
LINE CROSS CAPACITOR 0.068
µ
F/ AC 250V
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