hitatchi 50ex8k v4h005056

I just got this tv knowing it didn't work and thot it was a loose wire but I don't think it is now. When I turn it on it just clicks and shuts back off rite away. If anyone knows what to check that would be a great help thank you again its a hitachi 50ex8k v4h005056 those are the numbers in the model # box thank you