Disassembly And Parts Replacement Procedure; Inverter Power Supply - Panasonic NN-GF574S Service Manual

NN-GF574S / NN-GF574M
6 DISASSEMBLY AND PARTS REPLACEMENT
PROCEDURE
6.1.

Inverter power supply

1. Always leave the grounding plate in place.
2. Always securely tighten the ground screw through the bottom of the
chassis (base).
3. Securely connect 3 lead wire connectors.
4. Make sure the heat sink has enough space (gap) from the oven.
Take special care not to dress any lead wire over the aluminum heat
sink because it is hot.
1. Discharge high voltage remaining in high voltage capacitor.
2. Disconnect 2 high voltage lead wires from magnetron
filament terminals.
3. Disconnect connector CN701 & CN702 from H.V. Inverter
board.
4. Remove 4 screws holding inverter reinforcement bracket A
on right heater panel & base plate respectively.
CAUTIONS
5. Release locking tabs connecting inverter air guide with
inverter bracket.
6. Remove 1 screw holding H.V.Inverter to Inverter bracket.
7. Remove 1 screw holding grounding plate to H.V. Inverter.
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