Question about Pioneer PRO-99 TV

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X volt regulator

I have the same problem with my unit. The on button momentarily turns green and then to red. I have checked the fuse and it is still in tack. Kelvin mentioned a "X Volt Regulator" as a possible source of the problem. I am trying to fix the TV myself and cannot find that part. What is the proper name and or part number.

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  • patrick77w Apr 19, 2009

    Same Problem!!!!!!!!!!



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1) Unplug wire harnesses = pull chassis ( requires 2 chassis bolt
2) Dis-mount Convergence / power supply board = the one with
large heatsink
3) Locate 5 volt regulators mounted to heatsink
4) Remove old solder from pins of all four regulators =
Re-solder + solder any / all bad conncts on board....
5) Replace bad 4 amp fuse hidden in power supply area...
6) Reassemble

Posted on Nov 15, 2007

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Has anybody tried this?...I have a Pro 99 with the same problem...I'd like to know if this fixed it...Thanks,Gary

Posted on May 14, 2008


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