Panasonic NN-A850CB, Service Manual

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9.4. Low voltage transformer and/or power relays
Note
Be sure to ground your body to discharge any static before handling
the DPC.
1. Using a solder wick or a de soldering tool and a 30W soldering
iron, carefully remove all solder from the terminal pins of the low
voltage transformer and/or power relays.
2. With all of the terminal pins cleaned and separated from the DPC
contacts, remove the defective transformer/power relays and
install the new components making sure that the terminal pins are
inserted completely. Carefully re solder all terminal contacts
carefully.
Note
Do not use a soldering iron or de soldering tool of more than 30
watts on DPC contacts
9.5. Fan Motor
1. Disconnect the two lead wires from the fan motor terminals
2. Remove the power cord by removing the two wires from the noise
filter and the ground connection from the oven chassis.
3. Remove the noise filter
4. Remove the two screws holding the orifice assembly
5. Remove the two screws holding the fan motor assembly
6. Detach the orifice assembly and the fan motor assembly from the
oven assembly.
7. Remove the fan blade from the fan motor by pulling outward.
Figure 6
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