Need schematics Dell Latitude 5540 Wistron ARCHES 15 DDR4 MB 223032 NH9Y8$LA

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  • zzomm
    Member
    • Mar 2012
    • 21
    • Estonia

    #1

    Need schematics Dell Latitude 5540 Wistron ARCHES 15 DDR4 MB 223032 NH9Y8$LA

    Hi, I need schematic or boardview, I need to know what IC is PU5310- eHFNG - wh​at burned.

    Tnx!

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  • zzomm
    Member
    • Mar 2012
    • 21
    • Estonia

    #2
    PU5301 is right.It can be SY21138 or similar.

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    • zzomm
      Member
      • Mar 2012
      • 21
      • Estonia

      #3
      Well, seems to be - eH*** SY21138RHC (Global Part # for the SY8386RHC) , will try to order and replace it.

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      • zzomm
        Member
        • Mar 2012
        • 21
        • Estonia

        #4
        Update, parts arrived, but 3.3V rail is short. Thermal camera shows CPU-s PCH geting hot and it seems to be dead.
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