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K. PCB ASSEMBLY REMOVAL
1) Remove the control panel assembly from the
cavity. (Refer to control panel assembly removal
on previous page.)
2) Remove screws which hold the PCB SUB ASS'Y to
the control panel.
3) Disconnect the flat cable from the PCB SUB
ASS'Y and take off the PCB SUB ASS'Y.
Control Panel
Key Membrane
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
L. INTERLOCK SYSTEM
1) INTERLOCK MECHANISM
2) MOUNTING OF THE PRIMARY/MONITOR
PCB Sub Asm
3) INSTALLATION AND ADJUSTMENT OF THE
• Mount the latch board to the oven assembly.
• Adjust the latch board in the arrow direction so that
• Tighten the mounting screw.
• Check for play in the door by pushing the door
5-6
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.
SECONDARY SWITCHES TO THE LATCH
BOARD.
ADJUSTMENT
DIRECTION
LATCH BOARD TO THE OVEN ASSEMBLY
oven door will not have any play in it when the door
is closed.
release button. Door movement should be less
than 0.5 mm. (1/64 inch)
Don't push the door release button while making
adjustment. Make sure that the latch moves
smoothly after adjustment are completed and that
the screws are tight. Make sure the primary, monitor,
and secondary switches operate properly by
following the continuity test procedure.
PRIMARY
SWITCH
MONITOR
SWITCH
SECONDARY
SWITCH
LGE Internal Use Only
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