Question about Pioneer PDP-5020FD 50" 1080p KURO Flat Panel HDTV
Unit failed to come on one day, when attempting to power up relays click screen quickly shows some sparse colored static then relays release and the screen goes black. Red light blinks 8 times indicating an SS board. A prior repair tech attempted to replace the Y-Scan board with no benefit; but, he thought the board was likely used. I'm experienced with the use of diagnostic equipment and own multi-meters and can obtain access to an o-scope. Can someone offer me more in depth understanding of all options that could be cause the 8 blink code and guidance on identifying internal components; as well as, troubleshooting the possible causes? Thanks for any help.
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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
I always found the problem to be either a combo of the x-sus printed circuit board and the y-sus printed circuit board. It is also very worth checking out your poer supply circuitry as well. Good Luck.
Posted on Aug 27, 2009
Red flashing x2 = Panel power supply fault
It would be easier to replace the power board than attempt a repair at component level (dangerous voltages)
Posted on Jan 12, 2008
SOURCE: no picture on Pioneer plasma
first of all check out the fuse that mostly get blowned out in this problems.if the fuse is perfect then it could be the faulty capacitor issue check out on the main board with the help of the multimeter and replace the faulty ones and it should work properly.
Posted on Dec 10, 2008
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