Daewoo DPP-42A1LASB Service Manual page 54

Trouble Shooting
4 No Key Operation
Check Start
Turn on the Power S/W (AC ON)
Does LED turn on to red light?
Y
Turn on the set using remote control
Dees LED turn on to green
light?
Y
Check the connector of Key PCB
Replace the Key PCB
Check if the Key is working
Y
Done
N
Check the AC connection
Check the Power S/W on
N
Replace the Main B/D
N
Replace the Main B/D
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