Parts Replacement Procedure - Panasonic NN-L750WB Service Manual

9. Parts Replacement Procedure

9.1. Magnetron
1. Discharge the high voltage capacitors on the inverter circuit.
2. Remove the screw holding the air guide
3. Remove the two screws holding the tie bar
4. Remove the oven lamp and lead wire harness cables form the air
guide A.
5. Remove the air guide A
6. Disconnect the two high voltage leads from the magnetron
7. Remove the four screws holding the magnetron
NOTE: After replacing the magnetron, tighten the mounting screws making sure that there is no
gap between the waveguide and the magnetron to prevent microwave leakage.
Caution
When replacing the magnetron, ensure that the antenna gasket is in
place.
Note
The magnetron used for this model is unique for the inverter power
supply system. Make sure to use the one as listed in the parts list.
9.2. Inverter power supply (U)
1. Discharge the high voltage capacitors
2. Remove two screws holding the tie bar.
3. Unplug the H.V. Lead wires from the magnetron
Figure 1
Removal of the magnetron
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