Question about Hitachi 46BX01B 46" Rear Projection Television

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Hitachi Ultravision 50" projection Tv

Recently from the top of the TV the screen has a bow shape anything within that bow is out of focus, you see triple of everything and the color is green, blue and red. The bottom half of the screen is in focus. I have had this TV for several years and the question is do I have it fixed or would it be better to invest the money into a new Plasma?

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  • kathmance1 Aug 21, 2008

    My picture recently starting to bow at the top in the middle. I start seeing double below the bow and yellow out of focus picture above. There are also a few lines through out. When I access my Magic Focus and can see that the Green and Red lines all match perfectly, but the Blue is bowed badly at the top and wavy towards the bottom. Magic Focus will not fix. Is this also an IC chip problem?

  • porkchop08 Sep 26, 2008

    my t v is 7 yrs old and my screen is bowed at the and the bottom.the picture at the top has as triple effect.I tried to adjust the rays,but that didn't work.When i first turn on t v it is o k then about 5 to 10 mins it go bad again.
    thank you chris r


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This is an indication of convergence issues. There are two ic chips that control this and there is a likely hood of there failure and need to be replaced. there possible other issues with ouput resistors and fuses. At my shop the cost to replace these chips are 200 to 350. not a too difficult repair.

Posted on Feb 24, 2008

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