You wouldn't happen to be using the 2 separate L/R RCA analog outputs, would you?
They are only intended to be connected to a TV, not a quality audio system. You MUST use the 6-channel outputs to get good sound quality and some of this player's advanced features, even if you only intend to connect the front L/R mains.
They are only intended to be connected to a TV, not a quality audio system. You MUST use the 6-channel outputs to get good sound quality and some of this player's advanced features, even if you only intend to connect the front L/R mains.