A:Answer The LG 65 inch Class 4K Smart UHD TV w/AI ThinQ® (64.5'' Diag), Model # 65UM7300PUA has an Optical Digital Audio Out that can be connected to the Optical Digital Audio IN on any receiver that has one and it also has an HDMI port (HDMI IN 2/ARC) that supports HDMI ARC functionality which can be connected to a receiver that also has an HDMI port that supports HDMI ARC functionality. The ports should be labeled as 'ARC" to identify them. Depending on which connection you use to connect the TV to your receiver, you would then need to go into the Sound Out in the TV's settings menu to specify which path you want the audio to go through, HDMI ARC or Optical...^IFV
