Ultrastar HUH721ALE600 PCB replaced but cant read sectors

[Data-Salvage]

Here is another thread where a donor drive was damaged after the OP messed about with ROMs:

https://forum.hddguru.com/viewtopic.php?f=1&t=44071

same problem Sir!both HDD cant access data after roms swap! i suspect the rom become modified after the swap! but i dont know which section of the rom

thank you again for your kind answer

and sorry for my bad english