This is a used main PCB (Printed Circuit Board) specifically for a SAMSUNG UE55AU8000KVER:55 television model. The PCB, with SKU BN94-17553U, is compatible with this particular SAMSUNG TV model and is essential for the functioning of the TV. It plays a crucial role in powering up the television, processing audio and video signals, and controlling various functions of the TV. This main PCB is a vital component for repairing or upgrading the SAMSUNG UE55AU8000KVER:55 television model. No returns sold for parts but know to be working unit