Question about Hitachi 50V500 50 in. HD-Ready LCD Television
I have researched this model (I have also repaired many of them) and the noise is not likely to be a fan; if it is high pitched and or even grinding sound= Most likely case is bad color wheel in the light engine.
You would have to check to see if wheel is even available--some of these sets they do not sell it as a separate part--have to buy the entire light engine.
Understand that there are currently several class action lawsuits concerning this model Hitachi and the 60V500 made the same year.
Lots of failures with the light engine and part is over 600 exchange not counting labor.
If the wheel is available as a "part" someone will need to remove and dismantle the engine to replace it.
I attach a photo of what a typical color wheel looks like, it turns at over 10,000 rpm and bearings in the tiny motor wear out.
Let me know if you have any questions as I am here to help.
Posted on Sep 13, 2010
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Posted on Jan 02, 2017
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