Inverter; Upper Heater - Panasonic NN-GS597M Service Manual

6.5. H.V. Inverter
1. Discharge high voltage remaining in high voltage capacitor.
2. Remove 2 screws holding reinforce bracket A on oven
cavity.
3. Remove 2 screws holding reinforce bracket B on cavity top
plate.
4. Remove 1 screw holding oven thermistor on cavity top
plate.
5. Release lead wire harness from locking tabs on Inverter
bracket A.
6. Disconnect 2 lead wires from noise filter (U) terminals.
7. Disconnect 2 lead wires from fan motor terminals.
8. Disconnect 2 high voltage lead wires from magnetron
filament terminals.
9. Unplug connector CN701 & CN702 from H.V. Inverter
board.
10. Remove 1 screw holding air guide bracket on reinforce
bracket B, then release locking tabs, detach air guide
bracket.
11. Release locking tabs connecting Inverter bracket A with
Inverter bracket B, detach bracket A & B.
12. Remove 2 screws holding H.V. Inverter on Inverter bracket.
6.6.

Upper heater

1. Disconnect lead wires from both sides of upper heater
terminals.
2. Remove 1 screw holding heater support from the left side of
microwave oven.
3. Remove the upper heater by pulling it out.
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NN-GS597M