Question about Vizio P50HDTV10A 50 in. Plasma HDTV

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My Visio 50" Plasma Model# VP504FHDTV10A was purchased in June of 2008. Recently when I try to turn it on, it makes a click sound and then the Visio emblem turns a dull amber color and the TV will not turn on. Power supply to the TV is not the problem, as I have tried various plugs in the surge protector and the wall. Sometimes when I perform a "hard restart" per the Visio Tech Support hotline (unplug the TV, press and hold the power button for 30 seconds, then plug back in and turn on TV) the TV will turn on.But just today I tried the hard restart 6 times with no luck. Finally it turned on and I am afraid to turn it off now. I think that the start capacitors are starting to fail. I want to try to replace them myself if that really is the issue, but I don't know how to diagnose. Can anyone tell me how to: 1. Diagnose the problem? 2. Where to get parts? 3. How to replace the required parts? I am mechanically inclined and have soldered before. Thanks!

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I just solved this kind of problem with my VIZIO VP504FHDTV10A. It was main power supply that went bad. You need to open back panel cover and right in the middle you will see two powersupply boards(subpower board(smaller) and big main powersupply board). Just get board part/model # and search it on eBay(what I did). It was approx. $100. Good luck.

Posted on Feb 05, 2011

  • Oleg75 Feb 07, 2011

    And one more thing... From what i know capasitors are not always a problem. Normally they are not dome and cost quite high. There are a lot of elements that can go bad. Even a small diode can cause a problem due to power flick or something, and to find what went bad you will have to have an expensive equipment and/or manufacturer technical documentation. The best way to test would be to measure voltage on pins 1 and 2 of P25 connector. It should be 15V. If nothing there just get a new board...

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ladywinn
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SOURCE: My Visio 50" Plasma Model#

Have you removed the back and looked for Bad Capaciotrs on the power supply board?
Capaciotrs will be vented or puffed up on Top. 1000uf 16v,2200uf 10v 3300uf 10v etc....

Posted on Feb 17, 2011

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Have you removed the back and looked for Bad Capaciotrs on the power supply board?
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