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?Convergence problem I have a RCA model no R52WH74 that looks like a 3D picture and I can see three colored lines at the top. I have been surfing and it sounds like a convergence issue but my autoconvergence button is gone.

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  • Sileebear Feb 09, 2008

    Where is this IC located?

  • Sileebear Feb 11, 2008

    Still can't find it.We have lots of heat sinks

  • Anonymous Apr 04, 2008

    I have 46GW947 46 GE Tv also. I cannot locate the convergence IC. On my Toshiba it was real easy but this TV is quite different. There is a heat sink with an IC STK 730-130 I change this but still having a problem . So I am assuming this was no the IC needing change. I have seen IC boards listed on ebay that are very similar looking. There is about 6 heat sinks connected together with very small chips 4 on them #1 sink has 4 chips #2sink on 2chips #3sink has 4 #4 sink has 3 #5 sink has 4 chips #6 sink has 2 chips. The chips appear to be only 2 pin.. very small... there is an alluminum ecasement some pin style chips there are 2 with 7 on each side and one longer with 29 on each side. Any help thanks!

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Sounds like the convergence IC'S are either bad or a fuse maybe bad in the convergence circuit. The part # should be on the chip itself if you want to try and change them yourself. Good luck and keep me up to date on outcome. Cheers. Jay

Posted on Feb 09, 2008

  • Jay Henderson
    Jay Henderson Feb 09, 2008

    Usually the IC is located on a separate board and sometimes they are located on the main board or Power supply board. It all depends, But usually they have a big heat sink attached so it should be easy to find. 22pins or so. (SIP) Single In-line Pack IC. Let me know how it goes and let me know the part # which should be located on the ic itself. Have a good day... Guru Jay

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Common Symptoms include....
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Here are some photos of convergence problems.

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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