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I have a 46" Mitsubishi HDTV Model WT46805 purchased in 2000. There is something wrong with the color. There is generally no color at all. Every now and then the color will come on for a minute but very rarely. Sometimes there are red horizontal lines that come and go as well. How can I fix this problem?

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  • lebrenns Oct 15, 2008

    The color on my 2000 Mitsubishi 46" HDTV Model WT46805 is not functioning properly. The color is virtually gone. There are no lines in the t.v., just the color is off. We have tried adjusting the convergence but it does not help. Any recommendations?

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The color IC's and the conversion chip plus the vertical deflection IC's all should be replaced!
you have more than one condition going on and those chips and ic's control color , color alignment , vertical and horizontal and will eventually cause the TV to shut down
you should have these replaced soon! or if you need help and have soldering experience I can help you identify and replace these IC's

Posted on Oct 15, 2008

  • jason Oct 15, 2008

    THIS IS A PROJECTION TV

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Based on your description the problem has to do with the main video processing Integrated Circuit and will need to be replaced.

Posted on Oct 15, 2008

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Check all cables at the back, Cables are the main cause for B&W only on plasma TVs. Seeplasma TV black and white now

IfTV is B&W and does not depends on cables, check the colorcalibration settings, if color has saturation set to 0% then thepicture will appear in black and white. Try using auto calibration, auto color, auto focus, depending on the model.

If the cables and calibration are ok it can be a problem with color burst separator circuitry, or with the signal board.

Try using the a

If the guaranty is expired, you can get a warranty extension and have it repaired, see here: Get a Warranty Extension

Posted on Oct 15, 2008

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Yes you your self can fix this.
its the problem either of convergence settings or the convergence IC on the main power supply board is gone faulty.

for settings click this link
http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

for IC click this link
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

thanks.

Posted on Oct 14, 2008

  • ready2helpu Oct 14, 2008

    feel free for any further assistance and queries.



    rate the solution if helped by it.

    thanks.

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