Thanks for all the replys.

Yes, I agree, the problem is in the cable box and configuration.

The cable box is a Scientific Atlanta "Explorer 8240HDC"

When I get a moment, I will look this up as well, I don't have a manual to view. (I'm putting groceries away with the wife :/)

Panasonic TC-P50G15, DMP-BD60
Yamaha RX-V1400
Axiom M60's,VP150,QS8's
Hsu VTF2