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
Summary of Contents for NN-CT890SBPQ
Page 10: ...NN CT890SBPQ 10 6 Schematic Diagram ...
Page 11: ...NN CT890SBPQ 11 7 Wiring Diagram Wiring Harness ...
Page 15: ...NN CT890SBPQ 15 8 5 1 convection and microwave duty cycles Figure 1 ...
Page 16: ...NN CT890SBPQ 16 8 5 2 grill and microwave duty cycles Figure 2 ...
Page 28: ...NN CT890SBPQ 28 Removing the oven back plate Figure 14 Removing the base plate Figure 15 ...
Page 29: ...NN CT890SBPQ 29 Removing the circulation motor Figure 16 ...
Page 33: ...NN CT890SBPQ 33 13 Troubleshooting Guide ...
Page 36: ...NN CT890SBPQ 36 14 Exploded View ...
Page 44: ...NN CT890SBPQ 44 20 Digital Programmer Circuit ...