Question about Pioneer PureVision PDP-503HDE 50 in. Plasma Television

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PDP 503 hde will not turn on

The screen will not turn on.

When you press the power button on the front of the screen, the littel led goes green for 2 seconds and then red and flashes.


Any ideas

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Re: PDP 503 hde will not turn on

You need a new y-drive board and possibly a couple of buffer ic's replaced.The ic's definiately need to be replaced by a tv tech.

Posted on Mar 05, 2008

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Does the lights on the front have a pattern to them or does it just turn on green and stay that way? If the lights have a pattern or turns on green then goes to orange or some other color then I would start with the power board. If the light stays green the whole time then I would turn all the lights off and shine a flashlight up real close to the screen and see if you see anything. If you do then it is your inverter board which controls your backlights.

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hello mark ,just had the same problem with my pioneer pdp503 hde, fixed myself and very easy to do. its the power supply board ,got mine on ebay for 109 pounds.was very easy to is the big silver panel in the center just unscrew and disconnect cabels. very commen problem in pdp . mark doran post again if you want more info

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This may help you Greger, I found this on another site and I assume your model is simular to the 503 HDE... Good Luck - Rob...

I had exactly the same problem with my 503HDE. Screen would randomly shutdown and display E01.

In my case I believe that the cable was not at fault. The power supply in the media box looks like the most likely culprit.

I dismantled the media box and removed the LARGE power supply board and checked for dry solder joints. Sure enough, where the heatsink was soldered onto the board the joints were in a bad way. I reckon this is a symptom of the fact that the media boxes for V3 Pio's get very hot - all that expanding and contracting is likely to create dry solder joints. Taking the box apart shouldn't be a problem for anyone with a reasonable level of IT type skills!

I resoldered the joints and (touch wood) I've not had a problem for over 2 months. Whilst I can't guarantee that this is the definitive fix for this problem it seems to have worked for me. I'd be interested to hear if anyone else finds this cures the E01 problem.

Not being a hardware engineer, my only doubt is why the heatsink is connected electrically to the circuit board. Would this be for earthing purposes or perhaps to do with temperature sensing? Not sure about that - rolleyes.gif

Hope this helps someone - six grand is a lot of dosh to write off!! __________________

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