Hitachi 50UX57B 50" Rear Projection Television Logo

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JON TAYLOR Posted on Aug 06, 2007
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52" HITACHI PROJECTION ----50UX27KV6J009857

BLUE SHADOW, HOW DO I GET INTO THE CONVERGENCE ADJUSTMENT!!!!

  • zwamy Dec 02, 2007

    Is this an expensive repair?

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3 Answers

mike 20074

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  • Posted on Aug 15, 2007
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Do you have a magic foucus button??

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  • Posted on Aug 07, 2007
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If you mean that one of the colors has suddenly drooped toward the center, creating a curve along the side where the colors no longer line up, it means that one of your convergence IC's has burned out and needs to be replaced. You should not play with the convergence settings when this happens because when the IC is replaced, the settings will be all out and have to be reset. It is a good idea to replace both STK392-110 IC's with the newer improved STK392-150's. If you have never replaced convergence IC's or realigned convergence circuits then allow a qualified tech to handle it for you.

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  • Posted on Dec 16, 2008
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I have a 50 inch projection tv we replaced the bulb on the left front of the tv and we still have a problem with a bright spot right in front of the tv, making it hard to view the tv. Is there a solution? Thanks for ur help alice

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Thats a convergence failure and will require installing a convergence repair kit. You can get convergence repair kits for Hitachi models at www.tvrepairworld.com they come with the ICs low ohm resistors and the CD with repair instructions.
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No,ur tv have a problems known as a convergence problems,it dead.The tv convergence board must have it 2 STK convergence ICS and some or all it resistors must be replaced to solved the convergence problems.The shop will cost u $300-350 for parts and labors.
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replace convergence ics .press the menu and go into the convergence
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Hi,
Seems convergence out IC is fried in TV so it gives blue shadow.

Check out Convergence Out IC which you need to replace in TV, if you have enough experience of repair of big TV, necessary tools and know basic electronics.

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Blue Convergence Ic is defective. let me know if you need to know where to get a replacement IC
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it sounds like your blue convergence ic is getting weak you need to replace the ic's STK392-110 and you should replace both because when 1 is bad the other will go real soon. They are inexspensive at the sight I posted and you will also get free tech online support if you purchase them there.
http://servicemanuals.vstore.ca/
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The problem you are facing is a common problem in all rear projection TVs. It's called convergence. If you go into your menu there is an adjustment for it. if it doesn't move back into alignment then you have a more serious problem in the convergence circuit which will require replacement of components.

C-Dog
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Needs convergence circuit repair = replace convergence IC's,
then activate Magic Focus...............need step by step?......T.
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