'''++dorann.cafaro++''' appears to be an issue with your audio IC located on your main board. Post some good pictures of your boards with your question so that we can see what you see.
[guide|21499]
You also want to try all different input sources and see if that changes anything as well as trying to connect a sound board or external speaker. Let us now what you find out. Please verify that your TV is a '''++Samsung LA40R81BD 40in LCD TV++'''