LG LMVM2277ST, Service Manual

Page: 18 / 40

7-8
F. REMOVING DOOR (Figure 12)
(1) Remove the two vent grille mounting screws.
(2) Remove the door hinge scews.
(3) Remove the wire cover and open the hinge covers.
(4) Open the door.
(5) Remove the vent grill.
(6) Disconnect the two flat lead wire and the two gas
springs.
(7) Lift up and remove the door.
NOTES:
• After replacing the door, be sure to check that the
primary interlock switch, the secondary interlock
switch and the interlock monitor switch is in good
operating normally.
• After replacing the door, check for microwave
energy leakage with a survey meter. Microwave
energy leakage must be below the limit of 5mW/cm
2
(With a 275 ml water load)
WARNING: BE CAREFUL WHEN REMOVING THE
GAS SPRING. IF YOU REMOVE ONE GAS
SPRING FROM THE OVEN, THE DOOR
SHOULD FALL DOWN. BE CAREFUL NOT
TO BUMP YOUR HEAD TO THE DOOR.
G. DISASSEMBLING DOOR (Figure 13)
(1) Remove the four screws securing it to the choke
cover.
(2) Separate the choke cover from the Door by using
knifeblade or small screw driver, etc.
(3) Remove two screws securing it to the door handle.
(4) Remove the door frame.
(5) Remove two screws securing it to the main PCB.
(6) Disconnect two flat lead wire and FPC connector.
• Remove the FPC connector from the terminal
socket following “HOW TO REMOVE THE FPC
CONNECTOR” on the next page.
CAUTION: Be careful not to damage door seal
plate with the screwdriver.
H. ASSEMBLING DOOR
(1) 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.
Figure 13
Figure 12
Flat Wire
Gas Spring
Hinge Cover
Wire
Cover
NOTES: HOW TO REMOVE THE GAS SPRING.
1. Open the door fully.
2. Release the clip on the end cap of gas spring.
Using a sharp tool(awl, small driver).
3. Pulling the gas spring out of the door.