Most of todays AV receivers have HDMI ARC as well the TV's, most AV receivers have a pass through for the cable box, handy when the receivers not on and you want TV volume.
My older LCD has HDMI out but not my newer samsung. All kinds of variables here without delving into the manuals.
My older LCD has HDMI out but not my newer samsung. All kinds of variables here without delving into the manuals.