Latitude E6420 white display

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  • jacospama
    Badcaps Veteran
    • Aug 2019
    • 235
    • Ghana

    #1

    Latitude E6420 white display

    please may someone help me fix Dell Latitude E6420 white screen
    Last edited by SMDFlea; 12-29-2020, 06:39 AM. Reason: Renamed poor thread title,again .
  • mcplslg123
    Badcaps Legend
    • Jun 2015
    • 7262
    • india

    #2
    Re: white display

    Yes, I can fix it. Send it to me and bear postage. Else post your measurements.

    Comment

    • jacospama
      Badcaps Veteran
      • Aug 2019
      • 235
      • Ghana

      #3
      Re: white display

      Originally posted by mcplslg123
      Yes, I can fix it. Send it to me and bear postage. Else post your measurements.
      thank you. but please can u teach me how to do it. am in ghana sending it will take long before it reaches you. so if you can teach me how

      Comment

      • mcplslg123
        Badcaps Legend
        • Jun 2015
        • 7262
        • india

        #4
        Re: Latitude E6420 white display

        Where are the measurements?? Check the following on lvds connector

        01.+BL_PWR_SRC
        02.+LCDVDD
        03.BIA_PWM_LVDS

        Most likely you have problem in +lcdvdd.

        Comment

        • manol278
          Member
          • Nov 2017
          • 41
          • greece

          #5
          Re: Latitude E6420 white display

          Originally posted by mcplslg123
          Where are the measurements?? Check the following on lvds connector

          01.+BL_PWR_SRC
          02.+LCDVDD
          03.BIA_PWM_LVDS

          Most likely you have problem in +lcdvdd.
          I have the same problem in E6420.White screen.
          Power on
          +BL_PWR_SRC 18v
          +LCDVDD 2.7v
          BIA_PWM_LVDS 3v
          If you can see the pdf.

          Comment

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