LG LMC1575BD, Service Manual

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2-1
Unlike other appliances, the microwave oven is high-voltage and
high-current equipment.
Though it is free from danger in ordinary use, extreme care should be
taken during repair.
• DO NOT operate on a 2-wire extension cord during repair and use.
• NEVER TOUCH any oven components or wiring during operation.
• BEFORE TOUCHING any parts of the oven, always remove the power plug from
the outlet.
• For about 30 seconds after the oven stops, an electric charge remains in the
inverter PCB. When replacing or checking, you must wait 30 seconds more after
the oven stop.
• Remove your watches whenever working close to or replacing the Magnetron.
• DO NOT touch any parts of the control panel circuit. A resulting static electric
discharge may damage this P.C.B.
• NEVER operate the oven with no load.
• NEVER injure the door seal and front plate of the oven cavity.
• NEVER put iron tools on the magnetron.
• NEVER put anything into the latch hole and the interlock switches area.
MICROWAVE RADIATION
Personnel should not be exposed to the microwave energy which may
radiate from the magnetron or other microwave generating device if it is
improperly used or connection.
All input and output microwave connections, waveguide, flange, and
gasket must be secure never operate the device without a microwave
energy absorbing load attached.
Never look into an open waveguide or antenna while the device is
energized.
• Proper operation of the microwave oven requires that the magnetron be
assembled to the waveguide and cavity. Never operate the magnetron unless it
is properly installed.
• Be sure that the magnetron gasket is properly installed around antenna.
whenever installing the magnetron.
THE OVEN IS TO BE SERVICED ONLY BY PROPERLY
QUALIFIED SERVICE PERSONNEL.
CAUTIONS
Gasket
ANTENNA
COOLING FIN
MAGNETRON
CHASSIS GROUND
FILAMENT
TERMINALS
MAGNETRON