Question about Pioneer PDP-4270XD 42 in. HD-Ready Plasma Television
Turn unit on at mains blue light then clicks blue light turns to red light 5 flashes.
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Posted on Jan 02, 2017
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
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 Elite Plasma TV
This a factory issue and usually requires service. Most cases it is a bad power supply caused by a surge or powering off and on too fast ... sorry I wish I had better news
Posted on Sep 20, 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
Intermittent failure is usually caused by bad capacitors in the power supply. As they heat up, they start to fail and the unit turns off.
You can usually open the dispay (place the display on it's face and unscrew it from the back, use a putty knife to separate the plastic bezel) and access the power supply. If you see blown caps, simply replace with new capacitors.
This simple repair takes a bit of time, a soldering iron, and a trip to Mouser.com for replacement caps, but it can save you a BUNCH of money. Full replacement power supplies are also available at http://www.electronica-usa.com/Merchant2/merchant.mvc?Screen=SFNT&Store_Code=EU as well.
You will need to open up the TV to see exactly which power supply you'll need.
Posted on Oct 18, 2009
Testimonial: "looks like the problem ended up being a conflict with timing on the internal TV guide and timing on the cable company box...so far so good..."
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