Suspected your HDpro+ HDMI audio output board spoiled maybe three things you can try.

1). HDMI change new cable
2). AVR change HDMI input (Make sure AVR switch OFF before switching)
3). Check again AVR or HDpro+ audio setting.

If still not works is a time to change new mediaplayer.

This post has been edited by chungf1: Dec 2 2012, 02:33 PM