TV Repair Questions? Ask a TV Technician for Answers ASAP
Hi, I'm Nathan.Sorry to hear that you're having trouble with this but I'll do my best to help you.
Go into the Settings menu from the home page, using the jvc tv remote,
then from settings you should see Picture, and from there will be options for Brightness, Contrast, etc.
On the JVC remote (not the sky remote) you should have the settings button.