LG LMC1575BD Service Manual page 19

I. INVERTER REMOVAL
1) Disconnect the lead wire from magnetron, Harness, Controller PCB
2) Remove the ground screw.
3) Remove the 4 screws holding the inverter on baseplate.
J. FAN MOTOR ASSEMBLY REMOVAL
1) Disconnect the lead wire from fan motor
2) Remove the three screw holding the suction guide ASS'Y to the oven cavity
3) Remove two earth wire(noise filter & power cord) and remove all connector on
noise filter.
4) Lift up slowly the suction guide assembly from cavity.
5) Pull Fan from Fan motor to remove it.
6) Remove fan from motor and two screws holding the fan motor ASS'Y to the
suction guide ASS'Y.
H.V.
Transformer
K. INTERLOCK SYSTEM
1) INTERLOCK MECHANISM
The door lock mechanism is a device which has
been specially designed to eliminate microwave activity when the door is
opened during cooking and thus to prevent the danger resulting from the
microwave leakage.
Fan Motor
Suction
Guide
2) INSTALLATION AND ADJUSTMENT OF THE LATCH BOARD TO THE
OVEN ASSEMBLY
• Mount the latch board to the oven assembly.
• Tighten the mounting screw.
• Check for play in the door by pulling the door. Door movement should
be less than 0.5 mm. (1/64 inch)
Make sure that the latch moves smoothly after adjustment is completed and
that the screws are tight. Make sure the primary, monitor, and secondary
switches operate properly by following the continuity test procedure.
5-7
PRIMARY
SWITCH
MONITOR
SWITCH
SECONDARY
SWITCH