Question about Hitachi 50DX01B 50" Rear Projection Television

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Turns off on own

Hitachi 50inch Ultra Vision will turn off on its own, maybe stay on for about 20 min. then go off. Will take a minute or two to turn back on and then again will turn off. Picture is fine when on.

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Re: Turns off on own

Take to repair shop or replace (2) STK392-110s.

Posted on Jan 27, 2008

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its a projection,it is going to cost as much to fix as a used lcd hdtv!,turn it into a fish tank

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We have a 50inch ultra-vision, the picture seems to be dim and losing its color

If the set has not been serviced in several years and the picture slowly got darker and or duller looking you may just need to try something simple.

With the set unplugged and the back cover removed look for the three lens----I presume it is a older set called rear projection and not a DLP, the model number would tell me which it is.

If older you will find three large black lens near the middle, clean them free of dust etc with a lens cloth and check the picture again.

Let me know model number if you need further help


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There have been times in which my T.V. works all day. There are times in which the T.V. wont turn on at all. The little red light turns on briefly then goes out. I hear a click with it goes on. There are...


If I had to guess, and that's what I am about to do, I would say that you have bad electrolytic capacitors in the power supply board. I can help you find them with my tip at . It will walk you through the troubleshooting process and hopefully you can find the bad parts and replace them.

Thanks for using FixYa and the great rating you gave me.


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I tried all of the above and no luck but THEN we realized we had it plugged in to the surge protector not the battery backup. Once we plugged it in to the battery backup it powered up like a champ! Good luck!

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How to remove closed captioning on a hitachi ultra

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Hitatchi Ultra Vision 50UX26B

There are a few things in this model to cause this. Most common is the vertical circuit, or the regulator circuit for the power supply. both of these will run you $300-$500 if you call a repairman. If you know how to use a meter and solder I might be able to assist you in the repair yourself. The vertical circuit is VERY easy to repair if you know how to solder. Let me know so i can help!

TIm Nolan

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