Question about Hitachi 50UX57B 50" Rear Projection Television

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SCREEN ROLLS/HITACHI I HAVE A 53" HITACHI ULTRAVISION MODEL 50UX19K PROJECTION TV MADE IN 1994. THE SOUND IS FINE, HOWEVER, WHEN DARK OR BLACK COLORS COME ON THE TV THE SCREEN ROLLS AND WILL RETURN WHEN THE SCREEN LIGHTENS ( COMMERCIAL IS OVER, SCENE CHANGES IN SHOW, ETC.) IT ONLY HAPPENS WHEN I AM WATCHING T.V. NOT PLAYING VIDEO GAMES ON IT ETC. HELP!!!

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  • Hitachi Master
  • 5,138 Answers

Replace vertical ic and caps.

Posted on Nov 27, 2008

  • ladywinn
    ladywinn Nov 27, 2008

    Replace vertical ic and caps.

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I have a 53" Hitachi Rear Projection TV, Everything works except the color. The 3 color projection lamps are functioning and all of the tv's focusing features appear to be functioning as well. It has a...


Projection TV sets are known to have two common problems. The first problem that is common to these sets is convergence failure. When this happens the TV will usually look 3D, Wavy/Distorted, etc. It may also shutdown and blink an error code.

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You can find more details and solutions here on Fixya at the following link below. Or click HERE


3d884ac.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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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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is the screen lit up?
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guy9

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i,m pretty shure the problem is the lamp, just replace it and it should correct the problem

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