Hitachi 65F59A Picture goes blurry and dark once warm


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Hitachi 65F59A Picture goes blurry and dark once warm

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my77stang
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Mar 14, 2010, 11:22 PM

Post #1 of 4 (807 views)
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Hitachi 65F59A Picture goes blurry and dark once warm	Can't Post

I'm working on a Hitachi projection TV, model 65F59A. Once it warms up the picture starts to get flickering lines and progressively starts to get blurry and darker with a red tint to it - to the point where you can hardly even see a picture. I replaced the convergence chips and it didn't help. I then placed fan behind TV with the rear cover off to cool down the boards and the picture went back to normal. Any Ideas which component would cause this?

techchris
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Mar 15, 2010, 12:07 AM

Post #2 of 4 (803 views)
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Re: [my77stang] Hitachi 65F59A Picture goes blurry and dark once warm [In reply to]	Can't Post

I suggest you invest in a tin of electronic freezer spray and go round cooling components till you find where the problem is.

my77stang
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Mar 15, 2010, 12:12 AM

Post #3 of 4 (802 views)
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Re: [techchris] Hitachi 65F59A Picture goes blurry and dark once warm [In reply to]	Can't Post

Do they actually sell such a thing? I hoped the symptoms would point to a individual component.

By the way, even when the picture looks like crap the on screen menus look perfect.... If that helps.

techchris
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Mar 15, 2010, 10:12 PM

Post #4 of 4 (797 views)
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Re: [my77stang] Hitachi 65F59A Picture goes blurry and dark once warm [In reply to]	Can't Post

us in the business use it all the time, as it hits the faulty component the fault should temporarily clear.

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