Panasonic NN-S554WF, Service Manual

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8. Inverter Power Supply (U)
CAUTIONS WHILE REPLACING INVERTER POWER SUPPLY (U)
1. Make sure to leave the grounding plate in its place.
2. Make sure to securely tighten grounding screw from the
bottom of chasis (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 touch any lead wire to the
aluminum heat sink because it is hot.
1. Take off outer panel.
2. Remove screw
4. Disconnect all wires from inverter. Detach turntable wires
from inverter bracket.
3. Remove screw
5. Remove screw and slide oriffice toward you, then lift up and out.
6. Slide four locking of oriffice at the bottom of the base slightly
7. Remove 2 screws holding inverter to inverter bracket.
8. Replace inverter and reassemble to inverter bracket A.
9. Retighten 2 screw
10. Slide and place assembly to the correct location of a completed unit.
11. Push Inverter Assembly until locking tabs are locked.
12. Retighten inverter screws and orifice screws.
13. Reconnet all wires to correct location and redress turntable wires.