No picture or sound

I have a JVC iart AV-32F704 model 32 inch flat screen television. It is only a couple years old. One day, it simply had no sound or picture. The power light comes on but I cannot get anything on the screen, including the on-sreen menu or volume bar. Is this just a matter of a blown fuse of some kind? If so, where is the fuse to fix it? Thanks.

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