Sharp R-872M Service Manual page 33

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SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. CONVECTION TEMPERATURE SELECTED.
4. START KEY TOUCHED.
NOISE
FILTER
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. DUAL KEY TOUCHED ONCE.
4. MICROWAVE POWER LEVEL ENTERED.
5. CONVECTION TEMPERATURE SELECTED.
6. START KEY TOUCHED.
Figure O-5(a) Oven Schematic-Dual cooking Condition (Microwave and Convection mode)
NOTE: The top heating element, bottom heating element, fan motor and convection
motor will be turned on and off according to the temperature. See "Power
setting" on page 7.
FUSE F8A
MG.
THERMAL
CUT-OUT
RY1
RY2
-
RY5
RY6
RY7
OVEN
THERMAL
THERMISTOR
CUT-OUT
Figure O-4 Oven Schematic-Convection Condition
NOTE: The top heating element, bottom heating element, magnetron, fan motor and
convection motor will be turned on and off according to the temperature or
microwave power level. See "Power setting" on page 7.
R-872M - 33
1
RY3
RY4
(SW2)STOP SWITCH
NC.
(SW1)MONITORED LATCH SWITCH
NC.
ASYMMETRIC
(SW3)MONITOR
RECTIFIER
SWITCH

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