How to replace power board on p65s1 - Panasonic Viera TC-P65S1 65 in. HDTV Plasma TV

shine a light onto the screen and if u can see faint movement its the backlight that has blown an LED..

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary

I have come across 6 blinks; 7 blink and even 10 blinks.
the video below may throw some light. Not sure if the blink codes are universal across models. Panasonic plasma tv 7 red blinks of *****

Need power board. Unplug then Have to remove all screws on back. The big board that the plug goes to is power board. Get serial number and find on Amazon or Internet. Usually around 150$ replace. It is easier than sounds. Any time power will not stay on or will not come on it is the power board. Tics are now just like computers. If u can change a hard drive u can do this

check the number of blinks from the LED. that will tell you which board is bad.

Remove set and a box if used for signal from power--unplug both for a while and then power back to see if a reboot will help--box more likely than set but unplug both .

Your unit used ceramic fuse.

The fuse should be located on the primary power supply circuitry on the power supply printed circuit board. It may be encased in a cover, but it should be found on the printed circuit board that supplies power to the unit. I hope this helps.

Check the power sources.Tries tv unplug,replug it back like about an hour later for the tv to do a resetting itself back to the factory setting.The tv now could be working again.If not,the tv power supply board it is dead.That the board where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

If you are talking about the part connected to the tv, you need a new part. Investigate ! In the meantime use a S Vidio plug, or the red, white and yellow cables to get you going.