Question about Pioneer PureVision PDP-502 50 in. Plasma Television
Hi, I turn on the main power switch, the fans start to spin, but before i get a picture (within about 7 seconds) i hear a click and the fans shut down, still no picture. and standby light on green flashes every 5 seconds. Red led diagnostics lights in back come on, first D439 then within 5 seconds D407.
what to do?
Contact Pioneer at 1-800-421-1404 about getting an in-home power supply replacement. This is a known issue with some plasma displays. Some of you would experience a loud pop and then the power supply fails. You get a red light below the ON button, when you press on, the red light will turn green for a second and then back to red. The plasma display will not turn on after the power supply fails. Call Pioneer at 1-800-421-1404.
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Posted on Mar 29, 2009
I'm not receving any power to my PDP 502 MX and I read that this is due to a power supply failure with our particular models. You might want to contact Pioneer.
Hope this helps.
Posted on Jul 20, 2008
I recently purchased one of these at auction for $30.00. I got it home, plugged it in, and had nothing but a green light flashing on the stand-by button.One of the relays was also clicking about every 3-4 seconds. I removed the back panels, and lo and behold, on the power supply there were two blown transistors, as well as a blown ceramic capacitor. Hidden behind the heat sink I also found a blown voltage regulator. Now I did some research, and found this to be a common problem due to the excessive heat generated. I am going to try and rig a small fan on the board to move some of the heat to the exhaust fans. Check your boards for any blown components, typically signified by black residue. Also, be especially aware of any of the small surface mount resistors in the area which may have blown. I will keep you posted as to the progress.One more thing, I have found a great place for electronic components. It is called DIGIKEY, and they have everything. Prices are good too.
Posted on Feb 02, 2010
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Posted on Jan 02, 2017
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