NN-CT890SBPQ
21
10 Parts Replacement Procedure
10.1. Magnetron
1. Discharge the high voltage capacitors on the inverter cir-
cuit.
2. Remove the five screws shown in figure 1
3. Disconnect the two high voltage leads from the magne-
tron
4. Remove the four screws holding the magnetron as shown
in figure 2
NOTE: After replacing the magnetron, tighten the mount-
ing screws making sure that there is no gap between the
waveguide and the magnetron to prevent microwave leak-
age.
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.
Removal of the magnetron
Figure 1
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