[DaleHCook]

Also, looks like you might be using a signal source with macro vision copy protection.

Although I don't work with TVs a friend who buys them and sells them on the auction site has enlisted my aid in the past. He has no way to create an NTSC signal to show that the CRTs are working. What I bring for the purpose is my first DVD deck, a single-layer Sony, and a couple of old DVDs of "Burns and Allen" and "You Bet Your Life," plus an RF modulator.