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Jvc pd35b50bu no brightness - Televison & Video

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The plasma gases in the television have already decayed. Plasma televisions last about 60,000 hours with optimal usage (4 hours per day of use) while in real life people really have their televisions on between 6-12 hours a day that would be about 5-6 years of prime usage of their plasma tv before the television start to dim out or gasses begin to decay.

Posted on Dec 31, 2008

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Hitachi 46F510 different channels are different brightness and to get them viewable I have to run the brightness so high that you can not see any text at all. Also all white areas are blasting white bright. Edges of the tv also seem darker. I am connected to a cable system.

Posted on Nov 15, 2008

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Posted on Jan 02, 2017

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Did you try going into the menu and increasing the picture brightness?

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Hi:
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I have a model av48p776 jvc I am getting jitter lines across the screen more often than not and the bright comes and goes what do I need to do to fix it I would hate to get rid of the TV I just bought it


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Check for convergence failure. Convergence Gallery Try adjusting convergence in user menu. If convergence display is messed up or adjustments do not work correctly, you have an Intermittent short circuit within an STK IC.

Look at menu screen with an unused input (antenna or video). If menu is stable and clear, TV may be OK and you may have a signal input problem.

If it is not poor quality input signal or convergence problem, someone has to troubleshoot to determine if it is a Video, Processing, Power supply or CRT related problem.

Most likely convergence.

easyab

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