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.

Posted by Michael Valenti on

  • foster789 Sep 14, 2008

    I have the same problem , bought new in 96, two weeks later tv went dead, took 2 weeks to train people to fix it, Hitachi gave me a 5 year warranty, this is the first problem in 12 years, tv turns on then shuts off then it takes several minutes of power on, power off, finally tv stays on, only happens when tv cold..



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

Posted on Jan 27, 2008


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My hitachi 50inch plasma has been dogged with problems,it now turns itself off without any screen and reverts to standby after only a few seconds.i had this problem previously and the repairers under...

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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 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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