SOURCE: Pioneer PDP 5030 power supply problem
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…
SOURCE: supply board
ebay shop sells power supply board for £180 plasmaparts.co.uk but you will need to contact them as he does not list then.
constant flashing red light means you neet to reset the plasma as the trip switch on the back has moved,bring up pioneers hidden service menu and power down then power up plasma should have reset ant back to normal. hope this helps---- mark
SOURCE: I have a Pioneer PDP-4271HD
Yes, the faulty part is in the power source. But, to be sure, check all the other boards: if the power source has failed the big way it might have damaged other components.
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