Question about Sony KP-51HW40 51" Rear Projection Television

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Sony KP-51HW40 Convergence issue

Thank you for your quick response. I have added my answers to your questions so I could cover them well.

>Can you adjust the convergence by the convergence menu without going through the service menu? The settings through the convergence menu should save automatically.

I don't know where a convergence menu is. Is it on the TV? I go through the process of putting in the code to get access to manually do it. The auto convergence button does not change anything.

>Have you replaced the convergence ICs? If so the settings should save, if not the D board will need to be replaced or at the very least rebuilt.

I have not replaced the IC's and am not sure if I want to try that option without some really good instructions. I don't have a problem trying to replace the whole board if that makes it more likely for me to succeed.

>Let me know if you need further assistance with this issue.

I remember an option I saw to "send your board in" (as no one had any new ones) to get fixed and they would send it back. Any ideas around that?

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  • dmrieh82 Jul 12, 2008

    I have the same problem and want to make sure I order the right part(stk392-560) for a Sony KP-51HW40.

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  • 8,617 Answers

First if the auto convergence isnt working you need new Ics . two of them.I am part owner of a site that sells the ICs and provide free tech support by way of online instant messaging and we include detailed instructions on how to do the repair yourself. We also have a service where you can send your board to us and we will install new ICs and all new Convergence resistors and ship the board back to you. Or we sell remanufactured boards. I would recomend replacing the two ICs as that would be the cheapest rout the ICs arent exspensive , but will require de-soldering and soldering in the new ones. Here is alink to the site. You can go and send them a request for information by clicking on the contact us link in the lower left info box. Someone will get back with you quickly just leave your model number and what you would like info on.

Posted on Apr 10, 2008

  • Shawn Mar 22, 2011

    I have this same TV and problem...First I need to admit I bought 2 cheap convergence chips on Ebay. I then taught myself to install them. The result was the same as it was before ( 3d tv)...looked JUST like the pictures I'v seen on pages I'v seen online for the convergence repair kit... My question is should I buy a kit ? I noticed in addition to the chips the kit has, ,Convergence Resistors, Pico Fuses, thermo paste , and I used none of these in my repair. Thanks for any help.
    Shawn

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This kind of problem occurs due to failure of convergence output ICs in Sony KP-51HW40 tv.
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097a23d.jpg

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1 Answer

Sony KP-51HW40 Convergence issue


Can you adjust the convergence by the convergence menu without going through the service menu? The settings through the convergence menu should save automatically. Have you replaced the convergence ICs? If so the settings should save, if not the D board will need to be replaced or at the very least rebuilt. Let me know if you need further assistance with this issue.

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