Perhaps someone can help me here (I'm stupid by nature ) ...... All of my video components funnel into just ONE audio input on my TV (Video 1), which provides NO sound through the TV's speakers. However, for some reason which I can't understand, while playing a DVD (through the very same Video 1 input source on the TV), the TV speakers DO provide sound. How can this be? Why am I getting TV speaker sound from DVDs, but NOT from OTA broadcasts or the VCR, which both are ALSO plugged into the "Video 1" audio jacks (routed through receiver)? Thanks.