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40
Replace the
DISPLAY PCB
ASSEMBLY
Is the display PCB broken?
(check the buzzer sound and
LED light while touch the
LCD)
Yes
Yes
No
Is the connector connected to
Main PCB / Display PCB
disconnected or
disassembled?
Reconnect or
repair the
connector
Connecting connector
Main PCB~ Display PCB
POWER BUTTON DOESN’T WORK
Yes
No
Is the button of panel stuck?
Repair the button
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