Disassembly And Parts Replacement Procedure; Magnetron; Digital Programmer Circuit (D.p.c) - Philips NN-SN968B Servise Manual

NN-SN968B / NN-SN968BT
4 DISASSEMBLY AND PARTS REPLACEMENT
PROCEDURE
4.1.

Magnetron

1. Discharge high voltage charge.
2. Remove 1 screw holding air guide A on the oven cavity.
3. Remove 1 screw holding air guide B.
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 in an x pattern, making sure there is no
gap between the waveguide and the magnetron to
prevent microwave leakage.
When replacing the magnetron, be sure the antenna gasket is in
place.
CAUTION
4.2. Digital programmer circuit
(D.P.C)
CAUTION:
Be sure to ground any static electric charge built up in
your body before handling the DPC.
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 all screws holding D.P.C. board on escutcheon
base.
5. Separate D.P.C board from tabs on the escutcheon base
and remove D.P.C board.
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