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Sony KP46WT510 convergence

I have ghosting (blue) on my rear projection and it seems to be a convergence problem. I can solder/desolder and do have multimeters. Can you please help me fix this problem?

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  • delguercio24 Sep 13, 2008

    I forgot to mention that my tv goes in and out with these symptoms. Sometimes it will be fine for an hour then all of the sudden the ghosting appears. Could be be from the fuses or the IC's?

  • popbumper Mar 03, 2009

    Yup, I have the convergence issue as well. I have opened the back of the TV, I know what needs repaired, I am ready to do the work.



    QUESTION: Do I need to DISCHARGE all three guns to avoid shock from the tubes? I can do the board repair, but I don't want to mess with HV. Please advise, thanks.



    Chris

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This is an easy fix, you need to replace the STK's they are located on the heatsink that is near the back of the set on the deflection board. The part locations for these are IC8002 and IC8001. Part numbers are STK392-560. You can buy them at bdent.com Good luck let me know if you need more help!

Tim Nolan

Posted on Sep 13, 2008

  • experttv
    experttv Sep 13, 2008

    I forgot to mention that you need to be carefull desoldering the IC's there are a bunch of surface mount resistors right by the pins that are easy to nock off the board. Also if you are certain that this is a convergence issue then replace those parts, if you have a doubt in your mind then please post a picture of the ghosting and I will let you know if it is or not for sure. let me know if you need more help!



    Tim Nolan

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