Figured it out.. in some obscure menu item in my BD player there was a setting that was preventing me from selecting " multi channel audio" out .. once I set that ..I was able to get 5.1 sound through my receiver..not sure if I'm getting True HD or just plain 5.1 DD but at least I have sound..

Acoustic Zen Adagio, Veritas center, Axiom EP500, QS8s, Anthem AVM20, MC20,Adcom GFA7400