Hi! I really need some help with getting my dvd and vcr combination player set up with my comcast cable box. I have an old Magnavox tv that doesn't have any audio out or video out hookups. It looks like I will have to hook up the Magnavox dvd vcr combination player to the comcast cable box. However, when I turn the combination player on I have no picture on the tv. I don't know what to do to get the picture to show up. I tried to program the remote, but that still didn't make a picture appear! Please help me!!!