Question about Hitachi 53UWX10B 53" Rear Projection Television

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Color convergence problem

After researching fixya.com I think I have a color convergence problem on my Hitachi 53UWX10B HD Ready TV. Tried the Magic Focus button and it didn't work. Called a repair shop and they want $95.00 travel fee, $195.00 diagnotsic fee which can be applied to price of repair. I think this set is a CRT and is approx 5 years old. Is it worth a $400 - $500 repair or is there something else that could go wrong shortly considering the age of the set. Any adivice would be appreciated.

Thank you

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I'd suggest either replacing the ICs and resistors on the convergence board (requires soldering skill by yourself, someone else or an electronics repair shop) or purchasing a new convergence board from Partstore for $299 and swapping it out yourself.
While it may sound daunting, it really isn't once you find out more regarding this issue and dig into it a bit.  There's a wealth of info at the Digital Home Forum regarding this particular issue and ways to resolve it.
Good luck...  -TD

Posted on Apr 30, 2008

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How do i adjust the magic focus?


  • Press "Menu" on the remote select the "Magic Focus" option in the Video menu or press the "Magic Focus" button on the front panel to adjust the convergence of the three picture tubes that create the proper color for the picture. Pressing the button on the TV initiates the automatic adjustment, and accessing the feature through the Video menu allows you to choose automatic or manual adjustment, though the "Automatic" setting must be selected for the button on the front of the TV to begin the process.

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    Flash Focus magic button no longer work.The tv have a problems known as a convergence problems,it dead.Tv colors lines R,G,B mis alignment,have colors shadows pictures or 3D pictures problems.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts,must be replaced on the tv convergence board to solved the tv convergence picture problems.The shop,will cost $300-350 for parts and labors.

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    lupe0112,

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    This is a problem with the convergence circuit. If you can solder, try resoldering the pins on the convergence ICs. If that fails to resolve the problem, replace the ICs. These ICs are large and black, attached to a heat sink and are marked STKxxx.

    Keep us posted on your progress.

    Dan

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    http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
    http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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