re: Hooking up a TV antenna to sound system.

quote:

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Okay I ran a digital optical cable from TV to receiver. Still didn't get any sound.

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The optical jack on the receiver is assigned to some receiver input. You need to set the receiver to that input. It should work. If it doesn't, give the make and model numbers of your TV and receiver. I see you also mentioned HDMI, and you may be able to use ARC if your equipment supports it. It's hard to give specific advice to generic questions...