I have a Sony HD TV and recently bought a Vizio soundbar that i have connected to the TV via optical cable. I have the TV connected to my comcast box via component cables into the component 1 input. However, when i put the TV input selection on the component 1 option i do not get any sound thru the soundbar. I have to put the TV back on the TV option to get any sound through the soundbar. What am I doing wrong? Thanks for any help.
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