LG MH-794GS, Руководство по обслуживанию

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H. AIR DUCT ASSEMBLY REMOVAL
1) Disconnect the leadwire from lamp and MGT ther
mostat.
2) Remove the mounting screw to the cavity.
H. MAGNETRON REMOVAL
1) Disconnect the leadwire from the high voltage
transformer and high voltage capacitor.
2) Carefully remove the mounting screws holding the
magnetron and the waveguide.
3) Remove the magnetron ASS'Y until the tube is clear
from the waveguide.
NOTE:
1. When removing the magnetron, make sure its dome
does not hit any adjacent parts, or it may be
damaged.
2. When replacing the magnetron, be sure to install the
magnetron gasket in the correct position and be sure
that the gasket is in good condition.
3. After replacing the magnetron, check for microwave
leakage with a survey meter around the magnetron.
Microwave energy must be below the limit of 5
mW/cm
2 .(With a 275 ml. water load).
Make sure that gasket is rigidly attached to the
magnetron. To prevent microwave leakage, tighten
the mounting screws properly, making sure there is
no gap between the waveguide and the magnetron.
J. REMOVING THE TURNTABLE
MOTOR
1) Remove the turntable.
2) Remove the turntable shaft VERY CAREFULLY with
a slotted hand.
3) Lay the unit down on its back.
4) Remove the turntable motor cover. The turntable
base cover is easily removed by pinching the six
parts with a wire cutting.
5) Disconnect the leadwire from the turntable motor
terminals.
6) Remove the screw securing the turntable motor to
the oven cavity ASS'Y
7) After repairing the motor, rotate the removed
turntable motor cover.
8) Fit the turntable motor cover's projecting part to the
base plate slit.
NOTE:
1. Remove the wire lead from tne turntable motor VERY
CAREFULLY.
2. Be sure to grasp the connector, not the wires, when
removing.
17
Waveguide
Magnetron
Gasket
Magnetron
Dome
Waveguide
Bracket
Lamp
Magnetron
Air Duct
Wire Leads
Turntable Motor