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Green screen and power off

Pioneer pdp 501mx, will turn on and green screen for 1 to 2 sec and power off. Sometimes the tv will work for 20 mins and back to green and turn off. I will need to unplug the power to turn it back on. This was a hand me down monitor.

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  • rande45 Jul 22, 2009

    Did you buy the TV? It does like a circuit breaker popping when the power turns off. To make it work again, I tap on the top center back of the TV. That is where the power supply and caps are located.

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This sounds like a problem in the power supply. Could be that some capacitors have gone bad. Look for capacitors that are discolored and or are potruding from the top. Usually this will be an electrolytic type capacitor. From the sound of the problem you're having the power supply is not properly regulating the voltage it's suppossed to be. A lot of times too in TVs this problem can due to an incorrect voltage in the horizontal or vertical stage. Again a voltage problem. The reason the TV shuts off is due to an overvoltage/undervoltage or current protection circuit so that it will not cause further damage to the TV. Good luck with this. I may be buying this same exact model tomorrow from someone who has the same problem. If I get it fixed I'll let you know.

Posted on May 31, 2009

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I have the same problem, did anyone find cheap fix
Jeremy allen jallen@jeshmeal.com

Posted on Dec 14, 2009

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Important: Updated Information Regarding Free Power Supply Replacement for Certain Pioneer Plasmas Pioneer is continuing to offer a free, in-home/office power supply replacement for certain of its second and third generation plasma models listed below for customers who experience a problem with the original power supply. If a model is not listed below, no power supply replacement is needed and no further action needs to be taken.
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