The Yamaha HDMI output has to be connected to the HDMI ARC input on the TV. You also have to turn ARC on in the TV and maybe in the Yamaha. You would certainly have to select ARC as the source.
The Yamaha HDMI output has to be connected to the HDMI ARC input on the TV. You also have to turn ARC on in the TV and maybe in the Yamaha. You would certainly have to select ARC as the source.