Daewoo DLP-20D7 - Troubleshooting: TV Not Turning On (Red LED); Troubleshooting: White Screen Display

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Trouble Shooting
7-2. When TV doesn’t turn on in red LED.
Does TV turn on
pushing the CH key?
Check the power connection.
Exchange the Power module.
Confirm Power S/W ON.
Check the connection to IR PCB.
Check the operation of Remote
Controller.
Check start
Y
N
N
Y
Is output voltage of
Power module correct?
(or LIPS)
Y
7-3. When “white screen”.
Is R751(BOE, AUO)
R752(LPL)
Is normal?
Check the Main PCB
Check start
Y
N
Y
Is P503(W2) or
P902(J1, D7) correctly
Connected?
Check the connection
Of Panel
N
Y
Check the connector or Main PCB