Part number can be found on the larger white barcode sticker.
Samsung BN94-16847A MAIN SUBCON Board for QN75QN800AFXZA
Part Number: BN94-16847A
Board Number: BN97-18200A
Part Type: Main Board
Manufacturer Part Number 1: Samsung BN94-16847A
Known Models
QN75QN800AFXZA
QN85QN850AFXZA AA01