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R-995J
3-4. At the end of the convection cooking, shut-off relay
(RY4) is energized, and the damper is returned to the
open position.
NOTE: If the damper door is not in the proper position,
closed during convection or open during
microwave, the control unit will stop oven operation
after 1 minute.
Cooking Mode
Microwave cooking
Convection cooking
AH Sensor cooking
.Mix cooking
Grill cooking
DAMPER SHAFT
Figure D-2. Damper Mechanism
WEIGHT SENSOR ASSEMBLY
1. When the food is placed on the turntable, the gap
between the electrodes increases in direct proportional
to the weight of food. The electrodes have the function
of a capacitor.
2. The frequency of the oscillator changes according to
the capacitance of the weight sensor.
3. The micro-computer measures the weight of food by
detecting the change in the oscillating frequency.
FOOD
WEIGHT
OSILATOR
SENSOR
NOISE FILTER
The noise filter prevents the radio frequency interference
that might flow back in the power circuit.
Operation of Damper
OPEN
CLOSE
OPEN
CLOSE
CLOSE
DAMPER DUCT
DAMPER
DAMPER CAM
DAMPER SWITCH
DAMPER MOTOR
TURNTABLE
MICRO-
COMPUTER
(LSI)
10
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