
5. DISASSEMBLY AND PARTS REPLACEMENT
PROCEDURE
5.1. Magnetron
1. Discharge high voltage charge.
2. Remove 1 screw holding air guide A.
3. Remove 1 screw holding air guide F.
4. Remove 1 screw holding themistor.
5. Disconnect 2 high voltage lead wires from magnetron filament
terminals.
6. Remove 4 screws holding the magnetron.
NOTE:
After replacement of the magnetron, tighten mounting screws
properly making sure there is no gap between the waveguide and
the magnetron to prevent microwave leakage.
CAUTION
When replacing the magnetron, be sure the
antenna gasket is in place.
5.2. Digital programmer circuit (D.P.C) and membrane key board.
NOTE:
Before handing the D.P.C ensure that your body is connected to
ground to discharge any electric charge.
1. Disconnect all connectors from D.P.C.
2. Remove 1 screw holding escutcheon base and slide the
escutcheon base upward slightly.
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