Panasonic NN-A883WB, Service Manual

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Caution
Please use caution when unpacking, installing or moving the unit,
as some exposed edges may be sharp to touch and cause injury if
not handled with care.
9. Parts Replacement Procedure
9.1. Magnetron
1. Discharge the high voltage capacitors on the inverter circuit.
2. Remove the five screws shown in figure 1
3. Disconnect the two high voltage leads from the magnetron
4. Remove the four screws holding the magnetron as shown in
figure 2
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 magnetron as listed in the
parts list.
Figure 1
Removal of the magnetron
Figure 2