Dead Microsoft Surface 3 (1867)

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  • f-bone
    Senior Member
    • May 2013
    • 95
    • Greece

    #1

    Dead Microsoft Surface 3 (1867)

    Hi everyone,

    I got this corpse here and I am not sure (not very experienced with surface motherboards) if the PSU is faulty or the motherboard. I didn't find any obvious shorts on the any coils and I measure a very low 0.5-1.5V (and looping) voltage at PWR_SL1 (L7001). How can I power this board with bench PSU? The original brick states 15V and 5V as outputs and I am a bit confused.

    Unfortunately I do not have a spare psu with that silly connector.

    There are schematics/boardview available thankfully (attached).

    thank you in advance,
    george
  • rcmesb
    New Member
    • Feb 2024
    • 2
    • United Kingdom

    #2
    You can power via the USB c port with a USB c charger
    Last edited by rcmesb; 02-04-2024, 01:46 PM.

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    • f-bone
      Senior Member
      • May 2013
      • 95
      • Greece

      #3
      Originally posted by rcmesb
      You can power via the USB c port with a USB c charger
      thank you sounds like a plan. other than that is it possible to also use a bench psu? attach 15V at some point on the motherboard?

      Comment

      • rcmesb
        New Member
        • Feb 2024
        • 2
        • United Kingdom

        #4
        Originally posted by f-bone

        thank you sounds like a plan. other than that is it possible to also use a bench psu? attach 15V at some point on the motherboard?
        i haven't done that before new to motherboard diagnostics, you also need the ssd and keyboard connected to get the laptop to boot

        good vid here detailing the power setup https://www.youtube.com/watch?v=lpQYJ-l-yjM&t=442s

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        • f-bone
          Senior Member
          • May 2013
          • 95
          • Greece

          #5
          thank you!

          Comment

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