Seagate HDD Damage From Wrong Voltage

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  • Spongebob89
    Member
    • Mar 2021
    • 24
    • England
    #1

    Seagate HDD Damage From Wrong Voltage

    Hello,
    I have a Seagate ST3500312CS where is dead because overvoltage of the power supply. When I unscrew the PCB I saw that three capacitors (or maybe ferrite beads) where blown out. Do you have any idea if I have a possibillity to fix it. The problem is that I have an industrial custom PC where recognizes only the disk with the certain only firmware (it is crazy but it is true). Does anyone knows where the firmware of the disk is saved (I have another segate disk but with different firmware and I thought If I could replace the firmware chip in the good one). Anyway I would like to fix it (always there is something new to know in repairs), so there is any schematic of HDDs or what to suggest me to check it will be very helpful?
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    • dog68
      New Member
      • Aug 2013
      • 3
      • England
      #2
      Re: Seagate HDD Damage From Wrong Voltage

      Info is on Winbond ic.

        Comment

        • Per Hansson
          Super Moderator
          • Jul 2005
          • 5895
          • Sweden
          #3
          Re: Seagate HDD Damage From Wrong Voltage

          It would make sense that they are ferrite filters on the +12v line.
          If the drive is important I would buy a drive on eBay and move the components over from that to your current drive.
          "The one who says it cannot be done should never interrupt the one who is doing it."

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