hitachi 50hk5600 problem with display

[wolf1976]

hi
i have the above tv and the display starts distorts the display at only in applications like you tube
after and on the didital channels
now without connect the antenna only the image of itsselfs tv i have the image i have in attach
i have read in another forum someone else with similar problem with mine changes tcon card and motherboard and the problem remains
can you tell me someone what is the reason that can causes that problem ? is the same the sisplay ?

[Diah]

as usual 50 size Panel always rubbish and gate Transistor got bad

[Davi.p]

Try press hard on the cpu then watch youtube if it improves..

[tiki66]

It's a display problem, those are Panda displays and they are rubbish, don't waste your time on it

[wolf1976]

thanks all for your answers
i agree for the display issue
but i cant understand why at start the problem appears only on the application like you tube and when i watch digital channels alls were fine
now it appears everywere from the start when i open the tv and without connect the anteenna

[Davi.p]

Try press hard on the cpu then watch youtube if it improves..

Is it a task for Hercules?...

PS: You can't trust for a diagnosis or another without tests..