LG WT5270CW Service Manual page 38

POWER BUTTON DOESN'T WORK
Is the connector connected to
Main PCB / Display PCB
disconnected or
disassembled?
Connecting connector
Main PCB~ Display PCB
No
Is the button of panel stuck?
No
Reconnect or
repair the
Yes
connector
Repair the button
Yes
Is the display PCB broken?
(check the buzzer sound and
LED light while touch the
LCD)
38
Replace the
Yes
DISPLAY PCB
ASSEMBLY