SORRY TO ALL

I have this hdd WD800JS-75MSA3, PCB-701335-003 with clicking sound,
What will be the first step to repair this hdd,

i have to put the same pcb from the same OK hdd ,

only write rom from same family 75MSA3 with nearest serial number will be solve the problem ?

OR any senior member face the same problem, the clicking in 75MSA3, what he will do, at first step.

i know my english is not good, and i am also new in hdd repairing,

thanks

More likely bad heads

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hello salim, please don't guess whether it's head or fw problem. you should diagnose with your tools to confirm, this is the first step, do you have pc-3000 or other tools?

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