Panasonic NN-G335MF Service Manual page 35

Be sure to ground any static electric charge built up on your body
before handling the DPC.
1. Disconnect all connectors from D.P.C..
2. Remove 2 screws holding D.P.C. board on the oven cavity.
3. Using solder wick or a desoldering tool and 30W soldering iron,
carefully remove all solder from the terminal pins of the low
voltage transformer and/or power relays.
NOTE:
Do not use a soldering iron or desoldering tool of more than 30
watts on DPC contacts.
4. With all the terminal pins cleaned and separated from DPC
contacts, remove the defective transformer/power relays. Replace
components, making sure all terminal pins are inserted
completely. Resolder all terminal contacts carefully.
7.4. Timer
1. Disconnect all lead wires from timer.
2. Remove 1 screw holding escutcheon base and slide the
escutcheon base upward slightly.
3. Remove 3 screws to detach timer from escutcheon base.
4. Remove 2 knobs from timer shaft.
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