Acer s5-371 la-d591p

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  • ahmarzo
    Senior Member
    • Mar 2015
    • 170
    • india

    #1

    Acer s5-371 la-d591p

    Have la-d591p motherboard +lcdvdd not coming. On ux1 ic +3vs is coming but soc_envdd not present.need help how to solve this problem.
    Last edited by ahmarzo; 05-27-2022, 04:17 AM.
  • mcplslg123
    Badcaps Legend
    • Jun 2015
    • 7262
    • india

    #2
    Re: Acer s5-371 la-d591p

    Remove the IC UX1 and then measure resistance on Pin1. If resistance is healthy, then jumper between pin5 to pin1.

    Comment

    • ahmarzo
      Senior Member
      • Mar 2015
      • 170
      • india

      #3
      Re: Acer s5-371 la-d591p

      Removed the ic and make the jumper but same problem. Now showing voltage 3.3v on led circiut but no display

      Comment

      • mcplslg123
        Badcaps Legend
        • Jun 2015
        • 7262
        • india

        #4
        Re: Acer s5-371 la-d591p

        INVTPWM/BKOFF#- What is the status??

        Comment

        • ahmarzo
          Senior Member
          • Mar 2015
          • 170
          • india

          #5
          Re: Acer s5-371 la-d591p

          BKOFF# is 0v

          Comment

          • mcplslg123
            Badcaps Legend
            • Jun 2015
            • 7262
            • india

            #6
            Re: Acer s5-371 la-d591p

            INVPWM is 3.3V?? If yes, try jumpering INVPWM & BKOFF#.

            Comment

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