820-00291-A schematic & BRD files

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  • fagoon bhuiyan
    Mahmood
    • Aug 2017
    • 27
    • Japan

    #1

    820-00291-A schematic & BRD files

    Hi,

    here are the 820-00291-A bios, schematic & BRD files.
    I tried to upload BRD file but this server cant up...
    Attached Files
    Last edited by SMDFlea; 08-09-2022, 08:09 AM.
  • fagoon bhuiyan
    Mahmood
    • Aug 2017
    • 27
    • Japan

    #2
    Re: imac A1419 820-00161-A i need efi bios

    here is the 820-00291-A BRD file.

    "plz rename .pdf to .brd"
    Attached Files

    Comment

    • piernov
      Super Moderator
      • Jan 2016
      • 4435
      • France

      #3
      Re: imac A1419 820-00161-A i need efi bios

      You have to put the boardview file inside a zip archive to be able to upload it.
      OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

      Comment

      • moritz1992
        New Member
        • Nov 2023
        • 5
        • Deutschland

        #4
        Re: 820-00291-A schematic & BRD files

        First of all thank you very much!
        Im new to the crew and no expert in electronics repar but have a sense for it and technical background knowledge. Im from Germany so please excuse my english.If you have any questions, go for it!
        I wanted to ask you guys for help with my Imac .
        Is there any possibility to get brd file and schematics for 820-00291-a?
        I upgraded my late 2015 imac 27" Retina 5K i5 3.2Ghz with 16gb ram and a 1tb nvme ssd recently. After i re-assembled it i got no start chime and no display! diagnose LED 1 and 2 are on but no 3 and 4,
        maybe some of you guys have a tip for me what i can do. I already checked some voltages and caps for short but i only found out
        My first thought was that the nvme or ram was not ok but after installing the old ones same problem.

        Comment

        • moritz1992
          New Member
          • Nov 2023
          • 5
          • Deutschland

          #5
          Me again,
          i managed to find the issue that caused my problem. Just in case anyone wants to know: I accidentially broke on pin on the cpu socket that connencts to the ram slots "A". I just installed the Ram in the B slots and everything works fine again. Thanks for your support.

          Comment

          • M4n0l0307
            Senior Member
            • Nov 2020
            • 161
            • Colombia

            #6
            Thanks Friend !

            Comment

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