Question: how to hook up a vizio soundbar to a panasonic tv?
Answer: Plug the HDMI cable into the HDMI in port on the TV, and the HDMI out port on the sound system. Press Viera tools on the remote. ... 
Press Menu on the remote, and go to Setup > Viera link settings. ... 
Plug the cable into the Digital Audio OUT port on the TV, and the Digital Audio IN port on the sound system.