Dell Inspiron 5437

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  • Bonzas
    Badcaps Veteran
    • Jan 2018
    • 470
    • Indonesia

    #1

    Dell Inspiron 5437

    Need Help troubleshoot this board.
    DOE40-HSW DDR3 12314-1

    Problem is no display, All voltages on coil are present except PL5101, PL8201, PL8202
    I use different schematic (little bit different but some ic same) for tracing problem.
    What i found :

    - PL5101 : 0v ? ( no short )
    - PL8201 & PL8202 / VGA_Core : 0v ?
    - U8301 : - 1D05V_VGA_S0 & 3V3_AON_S0 missing

    I already change PU5102 (SY8208CQ) and

    Here's schematic i use
    Attached Files
  • RememberTheViolin
    Member
    • May 2020
    • 13
    • Greece

    #2
    Re: Dell Inspiron 5437

    Let's see.
    What is the voltage (to ground) of PU5102 chip pin1 and pin2 ?
    Pin1 is EN when it is high it turns the chip on.
    Pin2 is PG it shows if the chip output is good.
    Last edited by RememberTheViolin; 06-11-2021, 12:31 PM.

    Comment

    • SMDFlea
      Super Moderator
      • Jan 2018
      • 20731
      • UK

      #3
      Re: Dell Inspiron 5437

      Schematic posted - https://www.badcaps.net/forum/showthread.php?p=1051854
      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

      Comment

      • Bonzas
        Badcaps Veteran
        • Jan 2018
        • 470
        • Indonesia

        #4
        Re: Dell Inspiron 5437

        I'll try check again with schematic that SMDFlea upload and post again what result

        Thanks

        Comment

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