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Convergence problem with Philips 51PW936317F TV

I have a Philips 51PW936317F rear-projection TV. The bottom of the picture to be doubled with red and green colors separate and a concave curve at the bottom. I tried Philips customer service and my user manual, and tried to adjust the red multipoint convergence (which is way off), but with no response from the TV. Philips referred me to a local repair shop and they tell me that this is a common problem and they diagnosed it as caused by "conversion ICs that control the alignment of the tubes.. probably a couple of capacitors went bad." I would like to try to get the parts and fix it myself, but I don't know the part numbers or their location, which Philips' Vance Baldwin Electronics (their parts group) says I need to provide.

My question: Can I fix this myself, and how can I determine the part numbers?

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  • brad_shannon Apr 10, 2009

    the red and green convergence is off on mine..like it were a 3d movie. my friend said replacing the RGB tubes may fix it but not sure. 

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Bad news probably not economic to repair

Posted on Dec 15, 2008

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My magnavox tv has double letters in both red and green images on the bottom 2 inches of the screen


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Hello Anthony14,

 

This is an indication the the red convergence amplifier has goone bad you will need to replace the convergence correction modules. Now before replacing these you may want to make sure that the bias resistors and the zener diodes are ok. The convergence ICs are part number STK329-110 or STK329-150.

 

I would suggest that you get a schematic and equipment to make the needed tests, or take the set to a shop to replace the bad components.

 

I hope this helps,

 

Thank you,

 

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