ASUS UX303LN rev2 +3VDSW partial short?

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  • brew99
    Senior Member
    • Jan 2019
    • 132
    • Canada
    #1

    ASUS UX303LN rev2 +3VDSW partial short?

    This board will no post and has no charger or power on LEDs when AC adapter plugged in. Most coils measure fine except +3VDSW which in diode mode is 0.076V. This doesn't sound like a typical short for this rail to me, so wondering what might be causing it. I've injected 3V on the rail and the only thing that heats up somewhat is the small die (PCH?). Does that sound like its done for?

    I also have the +1.35V rail measuring 0.16V in diode mode. Does that sound right for DRAM rail or is that also partially shorted?
    Tags: None
    • mcplslg123
      Badcaps Legend
      • Jun 2015
      • 7262
      • india
      #2
      Re: ASUS UX303LN rev2 +3VDSW partial short?

      Measure the resistance in ohms mode

        Comment

        • brew99
          Senior Member
          • Jan 2019
          • 132
          • Canada
          #3
          Re: ASUS UX303LN rev2 +3VDSW partial short?

          40 ohms on +3vADSW

          130ohms on +1.35VO

            Comment

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