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AFTER SWITCHING ON,THE PICTURE WOULD GO BLANK WITHIN MAYBE 2 TO 3 MINUTES NOW IT DOSENT COME ON AT ALL. THE SOUND IS OK, AND THE CHANNELS CHANGE WITH THE REMOTE ON THE SET TOP BOX AND THE SOUND CHANGES WITH IT OK. ( HAS MY SCREEN GONE,) OR WHERE IS THE LOCATION OF THE FAULT. IF I REMOVE THE SCART PLUG AND SWITCH ON MANUALY OR BY REMOTE THERE IS A QUICK FLASH ON THE SCREEN AND AFTER A MINUTE OR SO IT SWITCHES BACK OFF AGAIN. THANK YOU FOR LOOKING AT THIS PROBLEM FOR ME, I HOPE THIS INFORMATION IS OK. RON.

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  • normaron Dec 30, 2010

    THANK YOU FOR YOUR SPEEDY RETURN, WILL CHECK THIS LATER. RON.

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No, it's not the screen itself, it's the board that commands it - T-con if it's an LCD or Y-Sus if it's a plasma. The processor on that board is defective due to overheating.
The only thing you (as a regular person, without any experience in electronics) can do is to take over the back of the tv and try to clean, with a fine brush, the dust from in there, and - if possible - reglue in place the radiators that are located on the failed board. If this doesn't fix it (the damage has progressed beyond recovery) the failed board will have to be replaced. This is a job that you should leave to a pro, the parts are sensitive and can be easily damaged.
Depending on the model of your tv the new board and the labor for its replacement will cost you around $250.

Posted on Dec 30, 2010

  • Azrael SRL Dec 30, 2010

    Put the tv face down on a large table with a thick cover on it before attempting to remove the back cover

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