The Audio Out is set to variable with the speakers on. Still, the sound is barely audible.
I have an HD cable box from Charter. And an external sound system with several speakers set up around the room for surround sound. When I put in a DVD and press play the sound comes out loud and clear from the external sound system.
When I go back to the audio menu and press reset, nothing happens. I am using the television remote, not the Charter remote, set in "tv" mode when pressing the reset button.
I unplugged the television once I tried the suggestions and started this reply. Then my laptop battery ran out, so now I'm back. The television has been unplugged for maybe an hour.