@Steims posted:There is an audio amplifier on both sides of the board. One has an ever so slight blister on it so I think we are onto something here. Digi-key has 2 models of this as LM4861M and LM4861MX, which one?
The two chips are the same, it's a packaging designation.
@Steims posted:There is an audio amplifier on both sides of the board.
Sometimes those are used for power handling chores, could it be one it a non-audio use?