Controlador de placa PCB 004-0B36131 WD80EDAZ-11TA3A0 WD6003FZBX-00K5WB0
It's important to know when a PCB is bad and when swapping it with a donor PCB could work. A thorough diagnosis is required. Embedded in a Firmware on the PCB is "adaptive data" that is unique to the hard drive it's attached to.