Soundbars are really meant to be stand-along with TV, no receiver. Receivers are meant to use separate, discrete speakers not soundbars.
Soundbars are one-task accessories, meaning for application where user finds TV built-in speakers not good enough, a budget solution, slap-on soundbar and BAM! but DON'T TRY TO hookup anything else to it, like a dvd player u maybe thinking of. Receivers on the other hand are designed to be the central console so you can hookup many different sources to it, good for long term.
OK, after all that jibber jabber, you still want to keep the soundbar. This is how to hookup SB, no receiver needed:
1. Cable box ----> TV.
2. TV ----> SB.
1. Cable box connection most likely a HDMI connection unless u have...