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user5V5eRJLGEC
Constellation

No Sound from Center Channel

I just installed a 65" frame TV.  All my external devices such as Xbox one and Comcast Cable Box are connected to the TV's Connect Box.  I then connected the Connect Box to my Yamaha surround sound receiver via an optical cable.  The issue is, when playing a movie from the Xbox or Cable Box, I don't get dialog from the center channel.  I do hear sound from all other speakers.  I do get full sound if I play a movie from Netflix via the Smart TV interface.  I have changed the audio output on the TV to optical Dolby Digital.  Any ideas what the issue could be?