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What you should do is set a HDMI cable from all your devices to your TV. Then, use Optical Audio cables for 7.1 sound to your receiver. Then, get one of those Logitech Harmony remotes and set it up so that at a push of a button (ex. It will turn on your tv, amplifier/receiver, dvd player and set the tv to video input 3 and amp to dvd mode)