Disassembly And Parts Replacement Procedure - GE JES2251SJ Technical Service Manual

7 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE

7.1. Magnetron
1. Discharge high voltage charge.
2. Remove 2 screws holding air guide A on the oven
cavity.
3. Remove 1 screw holding air guide B.
4. Remove 1 screw holding themistor.
5. Remove 2 screws holding reinforce bracket.
6. Disconnect 2 high voltage lead wires from
magnetron filament terminals.
7. Remove 4 screws holding the magnetron.
NOTE:
After replacement of the magnetron, tighten
mounting screws properly in an x pattern,
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.
7.2. Digital programmer circuit (D.P.C)
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 grounding screw.
3. Remove 1 screw holding escutcheon base and
slide the escutcheon base upward slightly.
4. Remove 1 screw holding D.P.C.
5. Release lock of connector CN6 by pushing both
levers to inside pull upward, and remove flat cable
of membrane keyboard.
6. Separate D.P.C board from tabs on the
escutcheon base and remove D.P.C board.
NOTE:
1. The membrane key board is attached to the
escutcheon base with double faced adhesive
tape.
PULL
2
13
HOW TO DISCONNECT SPECIAL
LOCK CONNECTOR
PRESS THIS LEVER
1
LOCKING LEVER