Hello, I have a Samsung UE46C7000wwxxc TV, which has horizontal stripes on the screen, at first they came out in about two thirds of the screen, but now they cover the entire screen, I would like to know what may be causing this fault, I upload some photos, thanks. Greetings https://ibb.co/n32D86P https://ibb.co/nQkThrC https://ibb.co/myCQLPt https://ibb.co/km9ms17