TV Signals Roundup

Home Theater Image Gallery No signal? Avoid the white noise by getting the right TV signal devices. See pictures of home theaters.
©iStockphoto/Joshua Blake

Without a device that provides a TV signal, you're guaranteed to miss all of your favorite programming, and chances are good that you'll just get white noise. There are many types of TV signals to choose from, but we're here to help you figure out which one is best for you and your equipment.

First, find out what's happening inside the most important component of your home theater set up: your television.