*Solved* Samsung Tv UEC46c5100 very strange screen problem

UPDATE! the problem has been solved. it turned out the the mainboard installed was a wrong o e. Please see more details in my new video. The picture is like out of centre, moved to the left or up or I don't know.. tried to enter the service mode but cannot see the menu since it's hidden behind the frame. Not sure why is so and how I can fix it ... any tricks will be appreciated ..