My wife and i bought a 32' JVC HD flat screen about a year ago from sears. The TV has worked fine until this morning, when I turned it on, the blue power light is on and sound comes out on my surround system, but the screen is black. I tried to change the output, but that menu bar does not even come up. When I turn it on, I hear the clicks for the power but nothing. I do not know the model #. What can this be?

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