Question about Philips Magnavox 51MP392H Rear Projection Television

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Magnavox 51MP392H/17 I was researching a problem I am having with my Projection tv and you referred someone to servicemanuals.vstore to purchase the convergance IC to fix the TV themselves but stated they needed to repair both ICs could you provide me with more info on which parts to buy and how I go about changing them out. THanks

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  • Alan Friedl Sep 05, 2008

    I too had, and still have, this convergence problem with my 51MP392H/17, and recently replaced both STK392-120 IC's. However after replacing them, it is as if I hadn't replaced anything at all! The blue is fine, but the red exhibits the same inability to converge laterally. Further, there aren't any 6.8 ohm resistors to replace (and I have several fresh ones).

    Could the problem be upstream or downstream from the IC's? Other ideas or things to check? Thanks!


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Yes youre model will need two convergence ICs they are both STK392-120 and you will also need some 6.8 ohm resistors usually two or four resistors will need replacing as well. The site servicemanuals do have all the parts and they do provide free installation instructions with the ICs.

Posted on Sep 03, 2008

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http://servicemanuals.vstore.ca/

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Your model uses two STK392-120 ICs but you will also need at least four convergence resistors which are 6.8 ohm 1 watt metal film as that model will burn at least two often four of the resistors when the ICs go out. You can get replacement ICs at the following link with free instalation instructions and free on line tech support when you do the repair. Heres the link.
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1 Answer

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yes by all means . I will post a link where you can get your replacement ICs along with free installation instructions with pictures. They also provide free on-line instant messaging while your doing the repair which only takes about an hour from start to finish. I am one of the support techs. Your model uses STK392-110 or STK392-120 either IC interchanges with each other except the 120 is a better IC runs cooler.Heres the link.You will need to replace both ICs
http://servicemanuals.vstore.ca/

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