Daewoo DP-42GM Service Manual page 53

6. When Key does not operate
Does LED next to Power S/W
Does LED turn on in Green?
Is P601 s 2nd pin output normal?
Check start
turn on in Red?
Check VIDEO PCB
1. Confirm AC connection
2. Confirm Power S/W ON
3. Check other PCBs
1. Check the connection to Video PCB
2. Check the Video PCB or other PCBs
1. PA601 CONNECTOR has a trouble
2. Exchange Key PCB.
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