Question about Hitachi 57F500 57" Rear Projection HDTV-Ready Television

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The color is screwed up

Our 57" Hitachi is 5 years old and all of the sudden the color has been screwing up. It seems like there is a color that is not working everything is really bright reds and oranges. It did it a week ago and we turned it off for a day or so and it was fine now it is doing it again. Someone help please?

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The projection TV has 3 color guns that focus to produce a single image. The 3 colors are red, green and blue. It sounds like the blue gun went out. You should be able to remove the back panel of the TV. If doing so, use caution as there is a mirror attached to the back panel. Once removed, you can confirm that the gun is not working. The fix, unfortunately is neither easy nor inexpensive. The problem could be simply a poor connection to the circuit board up to needing the replacement of a new light or perhaps a new gun. Unfortunately, there is no magic button to press and nothing you are doing wrong. This is a very nice TV and it may be worth getting an estimate to repair it. Or, perhaps this is a good excuse to go out and get a new 50" plasma! Hope this helps. If you can think of anything else I should know, please comment.

Posted on May 04, 2009

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Posted on Jan 02, 2017

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Since you didn't say that it was a gradual change, I suspect the CRT filament has failed open rather than a slow death of internal emissions.

Considering the very high level of light asked of these CRTs, I am amazed they last as long as they do.

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After 5 years of use, the other CRTs are somewhat (if not a lot) degraded so don't be surprised when a tech advises replacing them all and I think it may not be a whole lot less expensive than replacing the set although looking at the specs for that set indicates it is not obsolete by any means.

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