My LG tv is only 2 years old it has now lost the picture but still have the sound

[cookie_121]

Product Code LG49UF680V it started last night, now and again it started with lines going across the screen, I turned everything off at the plugs. When I turned it all back on there was sound but no picture????

 

[Dark Lord of Tech]

Happened to both of my LG's , 48 inch and 40 inch both barely over a year old , both are now waiting to be recycled , would cost me more to fix than to replace....Have 2 Vizio's now.