Question about Mitsubishi WS-65809 65" Rear Projection Television

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Mits 55908 Convergence problem

I have a 6 year old 55" Mits Diamond RPTV (WS-55908)that has worked flawlessly since I bought it. However, a few weeks ago it started doing something that concerns me: about half the times that I turn it on, within about 30 seconds the converged picture breaks into 3 pictures; red, green and blue, more at the edges than in the center. Usually it will re-converge within a minute or less and be fine after that, but once I waited a couple of minutes and it didn't re-converge so I turned it off and then back on and it was ok. Is something in the convergence circuit starting to go that I can repair or have repaired at a reasonable price? Or is this something that I can/should live with long term? I'd hate to lose this trusted family member. Any help greatly appreciated. Thanks.


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  • jpnrc Sep 01, 2008

    Thanks Big Irish. Seems like this is not an uncommon problem with RPTVs.

  • lricaud Sep 09, 2008

    I have the same problem, I fix it by banking the top of the cabinet a couple of times. From this I assume that there is nothing wrong with an IC unless it is loose, how can i find out which one it is?



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Good Day, John;
It sounds like the Convergence IC's have poor solder connections, by re-soldering the convergence output IC's should solve your problem. The IC's are large and mounted to large silver "heat sink" with STK 392 # on them. Good Luck, big IRISH.

Posted on Aug 31, 2008

  • MICHAEL MULLINS Sep 01, 2008

    Good Day, John;

    Yes it very common for PJTV's that use those type of devices. They normally fail within five years unless your TV has good air circulation. Good Luck on your repair, big IRISH.



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