TV screen went dark, but sound still there.

I own a JVC LT-15B60SJ TV when I switch it on can see a clear picture, but then the screen goes black.

I own a JVC LT-15B60SJ TV when I switch it on can see a clear picture, but then the screen goes black.

i have a jvc lt-40x776 it is a 40 inch lcd tv, the tv will turn on and the sound works, but the screen stays black, does anyone have any ideals what this problem could be, 1 response is the backlight burnt out , does anyone have any ideas where i can get one of these backlights or exaclty what the model number is so i can research it, to replace it, and is it easy to replace yourself, i have some electronical skills, know how to solder and all that. i have a jvc lt-40x776 it is a 40 inch lcd tv, the tv will turn on and the sound works, but the screen stays black, does anyone have any ideals what this problem could be, 1 response is the backlight burnt out , does anyone have any ideas where i can get one of these backlights or exaclty what the model number is so i can research it, to replace it, and is it easy to replace yourself, i have some electronical skills, know how to solder and all that.