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Television was working fine until last night, cannot get picture..the convergence is so bad i can't even see the centermark or the 7,8, and 9 positions. cable box works fine when I plugged my old tv into the box. is there a card for the convergence I have to buy and how hard is it to replace?
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No,this problems is not the projection lamp problems.The tv now have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignment,have colors shadows pictures or look like 3D pictures.The tv convergence board,the 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,must be replaced to solved the tv picture convergence problems.The shop,will cost u like 300-350 for parts and labors.
There are bad solder connections on the flyback transformer and there is a small fuse open. Pretty hard to do yourself but a professional can do this easily.
replace the convergence Ics and feed resistors. You can get the DPTV305 -DPTV345 Convergence repair kit at the following link which contains both ICs and all 12 feed resistors plus step by step directions with pictures. Here's the link. http://servicemanuals.vstore.ca/
Change the convergence ICs STK392-110 replace both you can get replacements at the following link and they provide free instalation instructions with pictures I suggest getting a couple of the convergence Resistors as well. Heres the link. http://servicemanuals.vstore.ca/
Convergence ICs are STK392-110 you will need two of them they are available at the link I am posting and they give free instalation instructions with pics and free tech support so you can do the repair yourself.Heres the link. http://servicemanuals.vstore.ca/
Its either convergence or vertical problems. Do your set have color problems? If so Converg. The other is Vertical output bad a 7 pin IC on a heat sink
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