Panasonic NN-CS894S, Service Manual

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4.2. H.V. Inverter/Magnetron/Digital
programmer circuit (D.P.C.)
(AU)/Fan motor/Stirrer motor
1. Discharge high voltage remaining in high voltage capacitor.
2. Turn over the microwave oven.
3. Remove total 12 screws as below steps.
a. Remove 5 screws holding base plate on the bottom of
oven cavity front plate.
b. Remove 2 screws holding base plate on the bottom of
oven cavity rear plate.
c. Remove 4 screws holding left and right hinges.
NOTE:
Do not remove the two screws holding the left
and right hinges on the bottom of cavity front
plate.
d. Remove 1 screw holding air guide D on base plate.
4. Remove left and right door key springs from door arm.
NOTE:
Support door before removing door springs.
5. Disconnect the connector from convection fan motor
terminals.
6. Turn over microwave oven to make front side facing up.
7. Disconnect connector from D.P.C.(AU) board.
8. Disconnect 2 high voltage lead wires from magnetron
filaments terminals.
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NN-CS894S