4. Disassembly and Reassembly
4-1 Replacement of Magnetron
Remove the magnetron including the shield case,
permanent magnet, choke coils and capacitor (all
of which are contained in one assembly).
1. Remove the outer panel.
NOTE : Before servicing, make sure to discharge
electric charge remaining on the high
voltage capacitors or wait for more than
5min.
2. Remove the back cover.
3. Disconnect all lead wires from the magnetron.
4. Remove screws securing the duct-MGT and
duct-fan.
5. Remove the nut-flanges securing the
magnetron by using a box wrench.
6. Take out the magnetron very carefully.
NOTE1: When removing the magnetron, make
sure that its antenna does not hit any
adjacent parts, or it may be damaged.
NOTE2: When replacing the magnetron, be
sure to remount the magnetron gasket
in the correct position and make sure
the gasket is in good condition.
(See page 19 for adjustment
instructions.)
4-2 Replacement of High Voltage Transformer
1. Discharge the high voltage capacitor.
2. Disconnect all the leads.
3. Remove the mounting bolts securing the HVT.
4. Reconnect the leads correctly and firmly.
Duct-MGT-L
Nut-Flange
Duct-Fan
Duct-MGT-R
Magnetron
LVT
H. V. Trans
4 Mounting Bolts
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