Question about Mitsubishi WS-65909 65" Rear Projection Television

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Mitsubishi WT-A42 projection 42" HD1080 series

Hello,
My tv is 5 yrs old and lately the picture zooms in and out and then the tv shuts itself off. I purchased it at Best Buy and the warranty expired on 12/31/07...could this be an expensive fix? Thanks for your assistance. Roma

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It sounds like your regulator circuit is defective. Not an expensive repair, maybe $200.or a little more.

Posted on Apr 08, 2008

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have you tried using your remote control?

does it shuts off?

its something to do with the circiut board of your tv. if not its simply the power switch of the tv. that can be replaced bby repair man.

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Hello,

Have you checked your convergence correction Amplifiers? These usually go bad. I believe they are the STK392-XXX (XXX stands for the last 3 digits) Mitsubishi uses the 500 series,They should be replaced with new ones and the bias resistors need to be changed also.

I would suggest taking it to a shop to have the replacement done, but if you want to do it yourself here is a site that can help:
http://www.hometheaterspot.com/fusionbb/showtopic.php?tid/79118/

There are many other sites that can help you install the ICs but this one is very accurate.

If you need any help in removing and replacing the ICs let me know and I will be able to walk you through the process(be prepared to take picture to help me see what you are looking at so I can help faster.

Thank you,
Shuttle83

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