LG MP-3297IXC Service Manual page 22

C. DOOR GROSS ASSEMBLY REMOVAL
1) Disconnect the power cord.
2) Remove the outer case.
3) Disconnect the leadwire from the reley PCB.
4) Open the door from oven. insert "JIG " into the choke
cover hole of door.
5) Lift the door from front cavity.
NOTE:
1. After replacing the door, be sure to check that the primary
switch, monitor switch, and secondary switch operate
normally.
2. After replacing the door, check for microwave energy
leakage with a survey meter. Microwave energy must be
below the limit of 5 mW/cm
3. When mounting the door assembly to the oven
assembly, be sure to adjust the door assembly parallel
to the chassis. Also adjust so the door has no play
between the inner door surface and oven frame
assembly. If the door assembly is not mounted
properly, microwaves may leak from the clearance
between the door and the oven.
J IG
Choke Cover
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2 . (with a 275 ml water load)
Please use the JIG
(P/No. 383EW5A224A)
below for door removal.
D. MAIN PCB ASSEMBLY
1) Remove choke cover for door assemply.
2) Remove the two screws holding PCB bracket.
3) Remove PCB bracket.
4) Disconnect two leadwires from Main PCB.
5) Remove the seven screws holding Main PCB.
6) Remove the Main PCB from door assembly.
NOTE:
1. Be sure to use now choke cover assembly when you
reassembly PCB assembly.
Main PCB
E. REAR COVER ASSEMBLY REMOVAL
1) Remove screws on the rear cover assembly.
2) Disconnect the leadwire from Fan Motor and lift out
the rear cover assembly.
Rear Cover
Assembly
5-4
PCB Bracket
Choke Cover
Fan Motor Terminal
LGE Internal Use Only