Thanks Mark for the help. I am able to get audio using the optical cable to my receiver. I have also gotten audio using regular AV cables to the TV. I can hear cds through my receiver, but not the TV. Unfortunately, this TV does not allow you to set the audio settings with regard any of the intputs. The only options I have with the audio settings are Mode (which allows you to choose between standard, music, movie, speech, and custom), you can set the equaizer, SRS TSXT, MTS, Auto Volume, and Internal Mute(which is set to off). I will try playing with the stereo settings like you recommend to see if that works.