Does it not work in *any* mode? Not on DD or DTS DVD's, 5.1 analog inputs, PLII processing, NEO:6 processing, ...? Test tones? Assuming all of the pre-amp and speaker connections are good and none of the cables are damaged (I'd swap a few things around -- hook the surrounds up the left & right channels, for example, to make sure it's not a couple bad wires or loose connections). If the connections are good and this is still happening in all modes (or if it is in one particular mode, such as 5.1 analog only), I'd give Scott or Mike a call and see about a replacement unit...

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