Disk suddenly stop working (probably some error in electricify, high woltage surge etc). It won spin, no any noise, just dead.
I checked the pcb - nothing looks burned, no any specific smell of burnt electronics

I think the PCB is damaged, right ?

I ordered the exact PCB through e-bay (everything is the same)

ST2000DL001
P/N: 9VT156-570
FW: CC96

PCB 100617465 REV A

However they recommend me to swap the rom chip, but I dont know which one is the rom, there are 2 similar chips, which one from picture is the rom chip I should swap?

It's the 8 pin IC near the I/O connector.

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Measure the resistances of the TVS diodes. It's not looking like a TVS diode problem, but measure them anyway. That will prove whether the fault was due to an overvoltage.



See http://www.users.on.net/~fzabkar/HDD/TVS_diode_FAQ.html

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A backup a day keeps DR away.