Panasonic NN-A890WB, Руководство по обслуживанию

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6. Wiring Diagram
7. Description of Operating instruction
7.1. Variable power cooking control
The HIGH VOLTAGE INVERTER POWER SUPPLY controls the output power by a signal from the
digital Programmer circuit DPC. The power relay (RY1) turns on to supply power to the inverter
circuit. The level of output power is controlled by the drive signal level from the inverter circuit.
NOTE1: The ON/OFF time ratio does not correspond with the percentage of microwave power
since approximately 2 seconds are required for heating the magnetron filament. / NOTE: 2 If
microwave cooking is over 8 minutes on HIGH power, the fan motor rotates for 1 minute after
cooking to cool the oven and electrical components.
Duty cycles for microwave cooking
Output Duty ON/OFF
ON time OFF time
High 1000W 22” 0”
Defrost 440W 16” 6”
Medium 600W 22” 0”
Low 440W 22” 0”
Simmer 440W 15” 7”
Warm 440W 8” 14”
7.2. Grill Cooking
The digital programmer circuit controls the grill power by operating the power relay RY4 in the
sequence shown in the table below
Duty cycles for Grill Cooking
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