Chosen Solution
I have a problem with my tv , i think a power surge hit it, when i tunred on the power led light blink 2 times and went off , and i dont have picture or sound
@charbel20 sounds like a power board issue. Remove the back of your TV and take a look at the boards. Post some images of your boards with your question. Use this guidefor that. That way we can see what you see. Check the power board as outlined in the diagrams. Let us know what you find.