Question about Philips Magnavox 51MP392H Rear Projection Television

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I have a 52" projection tv it is a phillips. one day i came home and i went to turn it on. now what do i do it wont turn on?

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  • wellb1873 Mar 06, 2009

    i have a similar problem only mine turns on every so often for about two min then shuts back off

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  • Philips Master
  • 5,568 Answers

In the absence of any warnings of impending failure, the main power supply has probably failed.
This is likely to be a separate assembly (board) that you could replace on your own. If you remove the back lower panel, follow the AC cord to locate the supply, get the part number from the assembly (there may be two different numbers). The bare circuit board may have a number that was printed in the same manner as the component identifiers and then another number on a label which might contain a 'revision' number too. This board is probably not terribly tought to repair with the necessary instruments but you would be better off buying a new board and then looking for someone to repair the other since it will probably be needed when the replacement fails.   

Posted on Feb 22, 2009

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