re: Hooking up a TV antenna to sound system.

quote:

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Sony Bravia KDL-52Z5100 TV
Pioneer VSX-522 receiver. I tried it on all the imputs ,no luck

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The TV doesn't support ARC, so that's out. Optical is the correct connection. I've had Pioneer AVRs the last 5 years. There are two things to check. First, you must set the AVR to the input that the optical input you plugged into is assigned to; the jack is normally labeled with the default assignment, and unless you've changed things, that would be the input to set the AVR to. You can check the assignments in the Input Setup section of the AVR's menu system. Second, after switching to the correct input on the AVR, check the Signal Selection by pressing Signal Sel on the remote. It should be something like Optical or Digital, not HDMI or Analog or Coax.

As for the TV, the optical output is usually always active, and I doubt the problem is the TV. You may want to shut off its speakers, though, and there may be an option for that; if not, you can just turn the TV volume down all the way. There may be an option for Fixed/Variable audio output; if it affects digital output, you would want to set it to Fixed.