Question about Philips 9P5034C 50" Rear Projection Television

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Picture surges It started out when I would turn set on,complete picture would surge in and out(about 50% of screen)Then after a few minutes would stablize full screen.Has gotten worse,until now picture doesnt come on at all,no enitial snap on power up.Have been told I.C.chip(recommended change all 3)or possible Opto-Isolators.Any help on part numbers & locations? Thanks, Jim

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  • Jim Fry Dec 09, 2006

    Havent changed the I.C. chips yet,was just told that is what problem is.Picture was just fine before this started.



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Forget anything you ever told about this product if you unsolder the convergence ics stk pack and the tv stays on then just the beginning of your problems the vast majority of these tvs have burned fluid in the picture tubes and restoring the elctronics to working is time not well spent the panel for the deflection circuit ( in the middle)? would have to replaced if the tv does not power on

Posted on Dec 09, 2006


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I would not leave the set on and unattended. There are mulitple protective measures against bursting into flame but I trust none of them completely.

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I'm afraid you are right suspecting the power supply; most modern sets use switching power supplies and they often fail when the source AC is screwy.
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