Question about Mitsubishi WS-55711 55" Rear Projection Television

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WS55711 mitsubishi RPS - Dec 2002

Problem is there is color and projection of image is not correct. Top of screen has a curved appearance and all images on the screen appear to have a pink and green "double image" appearance. Horizontal objects on the top and bottom of the screen appear to be curved. This problem occurred suddenly... just appeared when the TV was turned on after normal operation. No sound issues or on off issues. Any ideas?

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  • Anonymous Jan 04, 2008

    I have the same television and have experienced the same problem after only 4 years. What can one expect to pay to replace the convergance amplifier? The labor rates are reasonably consistent among different repair companies; however, I'm not sure what the part should cost.



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I have a problem where there is color and projection of image is not correct.
The main screen appears OK but the RED screen projection has a curved appearance and all images on the screen appear to have a pink and green "double image" appearance. This problem occurred suddenly... just appeared when the TV was turned on after normal operation. No sound issues or on off issues. I have re-set the TV but no cure. Any ideas?

Posted on Nov 29, 2008

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This sounds like your convergence correction amplifiers have malfunctioned. These Integrated Circuits often burn out after a few years (STK392-110) they can be replaced with a higher version (STK392-150) However it is important to have the biasing circuitry checked to make sure nothing has burnt out as a result of the ICs malfunctioning. If you have a background in electronics you can repair this problem with very little effort, however if you do not have a background in electronics, I would suggest that you have your TV serviced by a qualified TV technician.


I hope this helps,


Thank you,



Posted on Oct 15, 2007


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