Panasonic NN-CD989S, Руководство по обслуживанию

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7 Disassembly and Assembly Instructions
7.1. CAUTION WHEN REPLACING INVERTER PCB
1. Remove 2 high voltage lead wires from magnetron.
2. Remove 2 lead wires from inverter PCB.
3. Remove 1 screw holding air guide.
4. Remove 2 screws holding noise filter from bottom.
5. Remove 2 screws holding inverter bracket, and slide it left to take it out from oven chassis.
6. Remove 1 screw holding inverter PCB from bottom.
7. Remove 4 screws holding inverter PCB.
8. Remove inverter PCB from its bracket by releasing catch hooks.
9. Remove CN703 hausing connector from the inverter PCB.
10. When re-installing it, make sure to place grounding plate in its place.
Missing grounding is very danger.