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6. DISASSEMBLY AND ASSEMBLY
- Cautions to be observed when trouble shooting.
Unlike many other appliances, the microwave oven is high-voltage, high-current equipment.
It is completely safety during normal operation. However, carelessness in servicing the oven
can result in an electric shock or possible danger from a short circuit.
You are asked to observe the following precautions carefully.
1. Always remove the power plug from the outlet before servicing.
2. Use an insulated screwdriver and ware rubber gloves when servicing the high voltage side.
3. Discharge the high voltage capacitor before touching any oven components or wiring.
1) Check the earthed.
Do not operate on a two-wire extension cord.
The microwave oven is designed to be used
with earthed. It is imperative, therefore, to
makes sure it is earthed properly before beg-
inning repair work.
2) Warning about the electric charge in the high
voltage capacitor.
For about 30 seconds after the operation sto-
pped and electric charge remains in the high
voltage capacitor. When replacing or checking
parts, short between oven chassis and the
negative high terminal of the high voltage
capacitor, by using a properly insulated screw-
driver to discharge.
4. When the 15A fuse is blown out due to the
operation of the monitor switch; replace primary
interlock switch, secondary interlock switch and
interlock monitor switch.
5. After repair or replacement of parts, make sure
that the screws are properly tightened, and all
electrical connections are tightened.
6. Do not operate without cabinet.
CAUTION : Service personnel should remove their watches whenever working close to
or replacing the magnetron.
WARNING : When servicing the appliance, need a care of touching or replacing high
potential parts because of electrical shock or exposing microwave. These parts are
as follows - HV Transformer, Magnetron, HV Capacitor, HV Diode.