Panasonic (TH50PV600M) TH50PX600U Power Cycling

I have Panasonic (TH50PV600M) TH50PX600U, The TV won`t start, when power on I get red lights blinking (one time) and then followed by green lights blinking (three time) then the TV just shuts down and start again to do the same sequence in a loop, which board do I need to replace?

i have replaced the p-board and the d-board unfortunately the same problem still exist :frowning:

(Video Link)

https://vimeo.com/user109013734/review/3…

Any support is appreciated.