Macbook A1502 Power on with battery but not charging and no light

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  • RepairhouseAB
    New Member
    • Jan 2022
    • 4
    • Sweden
    #1

    Macbook A1502 Power on with battery but not charging and no light

    Hi,

    I have a A1502 that works fine on battery (since its have some juice left) but does not charge and have no light on charger.

    A1502 Early 2015
    Motherboard 820-4924


    What I Have checked so far:
    Reset SMC
    No physical damage on board
    Exhange the charging port
    3 different chargers
    PP3V42_G3H = 3.42V
    PPBUSS_G3H = 11.38V
    PPDCIN=0.58V

    Any idea how I can continue? I have some motherboards for spares, but not exactly same model.
    Last edited by RepairhouseAB; 01-21-2022, 06:36 AM.
    Tags: None
    • mon2
      Badcaps Legend
      • Dec 2019
      • 14077
      • Canada
      #2
      Re: Macbook A1502 Power on with battery but not charging and no light

      Hi.

      1) Can you confirm your logic board # ? Believe it is 820-4924 ?

      2) See attached. Post the voltages for the requested area.
      Attached Files

        Comment

        • RepairhouseAB
          New Member
          • Jan 2022
          • 4
          • Sweden
          #3
          Re: Macbook A1502 Power on with battery but not charging and no light

          Originally posted by mon2
          Hi.

          1) Can you confirm your logic board # ? Believe it is 820-4924 ?

          2) See attached. Post the voltages for the requested area.
          Yes, you are right. it's 4924!

          1 Both sides of DCIN fuse F7005 Is same value. ~0.47V (going up and down sometimes between 0.6v - 0.4v

          2. Pin 1 (and 2) on R7020 = Close to 0V ~0.0x...V

          3.Same as F7005 on TP_DCIN_ISOL_GATE between 0.6v-0.4v

            Comment

            • piernov
              Super Moderator
              • Jan 2016
              • 4435
              • France
              #4
              Re: Macbook A1502 Power on with battery but not charging and no light

              https://logi.wiki/index.php/Magsafe_Sleep_Mode
              OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

                Comment

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