I have the pdp5030hd plasma the screen shuts off while the light blinks then the eo1 message appears on the screen. turning off the tv 2 min later it works again till the probler reoccours. sometimes it stays on for days sometimes its minutes. short of replacing the power supply board like everyone else has tried is there any advice? i hav no problem having the tv fixed as long as this isnt going to keep happening to it

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: Randomly shutdown and eo1 error

There are several things that can cause it. You are best to have an expert technician come in and take some test on it in order to determine if it is from vertical blanking failure or something else. It is not easy to fix this yourself, if you have no experience, because there are a lot of parts that have to be removed before you can reach the components. It could be as simple as a loose connector ribbon or a bust capacitor, but it could also be more complicated. Hence, in my honest opinion, better get a qualified technician.

Hope that helps!

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SOURCE: No picture but get an EO1 then plasma turns off

You ahe power supply problem, replace the power supply board

SOURCE: Pioneer Plasma TV-PDP-4270HD won't turn on. TV

Try this! There should be a power button on the bottom of the panel that has to be depressed for the television to power on. It is the main power supply button and without it there is no power going into the TV.