Panasonic NN-CS599S, Service Manual

Page: 13 / 42

CAUTION
To prevent the water from invading the electric parts that can cause a
short circuit or electric shock:
1. Before repair or replacement of parts, ensure to remove the water
tank from microwave oven.
2. After removing the water tank, select the "drainage" function to
drain the water remaining in the water pipes and tubes into oven
cavity forcibly. (Operating method: keep pressing [Steam Defrost]
pad for more than 2 seconds). Then wipe up the oven cavity.
3. In case the Microwave Oven has no power, the technician should
have a dry cloth available in advance before disassembly. When
pulling out the water tube, elevate the front of the Microwave Oven
at least 1.5” to minimize the amount of water that leaks out. Wipe
up excess water throughly with the dry cloth.
CAUTION
After repair or replacement of parts, make sure that all the water pipes
and tubes are properly connected, otherwise the water might invade
the electric parts and will cause a short circuit or electric shock.
6.1. Magnetron
1. Discharge the high voltage capacitor (see page 10 for
instructions).
2. Remove 2 screws holding the inverter
reinforcement/grounding bracket A on oven cavity.
3. Remove 2 screws holding the inverter reinforcement
bracket B on oven cavity.
4. Remove 1 screw holding oven thermistor on cavity top
plate.
5. Release lead wire harness from locking tabs on inverter
bracket A.
6. Disconnect 2 high voltage lead wires from magnetron
filament terminals.
7. Remove 1 screw holding thermistor on magnetron.
8. Remove 2 screws holding air guide A on magnetron, then
remove air guide A.
6 DISASSEMBLY AND PARTS REPLACEMENT
PROCEDURE
13
NN-CS599S