Question about Pioneer PureVision PDP-502 50 in. Plasma Television
Hi have a pioneer 50" plasma, when turned on it goes through self test then shuts down and d407 light stays on, all voltages are at test points apart from the 10v and vsus (171v) basically there doesnt seem to be any feed to q201 mosfet to switch the transformer on, has anyone else had this problem, ive got the schematics of the power supply, im thinking that maybe one of the little protection boards are u/s but i havnt got any more to try out. any help would be very much appreciated. thanks joe
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Posted on Jan 02, 2017
Ok here's how I manage solve the problem... Having the back removed opens the contacts on the interlock switch so I guess if it powers up in this state it senses the high voltages are exposed and for safety shuts down... After this the unit will not power up and the power led flashes red continuously as described before…
After some thought it occurred to me that there may not be a problem at all, just be a simple reset function for this condition… I managed to find an easy solution to this… Just call up the hidden engineer’s service menu – On 3rd generation Pioneer Plasmas it’s as follows > Power down the screen > Hold down the “Input” and “Vol +” buttons on the front > Power the screen up and the Service menu comes up on the screen > You don't need to change anything just simply power off and from then the screen should operate as normal…It did for me so I’m well happy now!!
I hope this information will help someone else one day – Good Luck!!…Rob UK…
Posted on Jan 04, 2008
SOURCE: Pioneer PDP-503PU
Very possible,but yet,this might be the manufacturer defect power supply which they will fix it for you free;but before we jump to this conclusion,you need to test it first:
-Unplug the power cords.
-Unplug the media video cable from the box to the tv.
-Check all the pins on the video cable are in place as well as the connectors both behind the TV and the media box.
-Reconnect the media box and TV with the video cable(DVI+VGA in one) and have at least a video component hook up to it(ex. dvd player/VCR or comcast box) be sure this video player is turn on and running,at the same time,be sure it is under the right video input.
If you have tried the above steps but still doesn't work,call 1-800-pioneer Tuesday-Thursday at7amPST and address your issue to them.
Let me know if you have any additional questions!
Posted on Nov 05, 2008
SOURCE: Pioneer PDP-5030HD power supply
click link -ebay shop selling power supply boards for 503hde/pe at 180 pounds you will have to contact him has he does not list them as pioneer are only ment to replace these boards or shops under contract with pioneer i changed mine and only takes min's when you have got the back cover off...
hope this helps mark doran
Posted on Mar 17, 2009
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
SOURCE: PDP-502MXE dead set
this problem lis the power supply board. be aware that pioneer pdp-502mxe has got 3 versions and all 3 power supply boards are different so before ordering a new or reconditioned one check the part number on the power board itself.
pioneer is not replacing the boards anymore.
check on ebay.co.uk
i did sold so many parts from this model.
Posted on Sep 05, 2009
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