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komadreja
New Member
Last Activity: 05-04-2022, 07:21 AM
Joined: 02-03-2021
Location: Torrevieja
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  • HP ProDesk 400 G4 SFF 911985-001 REV.0A blown inductors (unknow values)

    Hi, a shorted mosfet((spare is on the way) and 5 smd inductors after the cpu 12v. connector totally burned.

    I have another same mobo and try to get the inductors values, but my poor LC100-A inductance meter is unable to show me nothing.
    I think the values are in nanohenries because the LC100-A can only show mH and microH.

    In the picture i replace the coils but i think is not a good idea(since i donĀ“t know the correct values).

    The power supply are ok(tested output voltages).

    Unable to me to get that mobo schematics.

    Hope someone...
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    Last edited by SMDFlea; 02-04-2021, 12:39 PM. Reason: attached pictures

  • Re: New Members - please post your introductions here

    Hello badcaps, I have registered in the forum to try to get some advice on how to repair mostly a pc board. I started in computers world on 80.s wiht an Amstrad CPC 6128 microcomputer.
    I am fond of repair (tv, audio mostly).
    I have "medium decent" equipment, but little knowledge.
    Hopefully you can give me a hand.
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