820-01949 after replacing CD32 no usb-c communication

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  • meineiid
    New Member
    • Jan 2019
    • 9
    • Germany

    #1

    820-01949 after replacing CD32 no usb-c communication

    Hi I got a MacBook A2251 2020 with only 5volt on usb-c. Replaced both CD32 on the right side and got 20 volts back on all ports and Macbook starts normally. But USB devices don't work no usb3 or thunderbolt ist working. My external SSD gets Power but no blinking...
    Any ideas?
  • PITERPENY
    Badcaps Veteran
    • Jul 2023
    • 455
    • Ukraine

    #2
    cd3217 from a similar donor board or from Aliexpress?

    Comment

    • meineiid
      New Member
      • Jan 2019
      • 9
      • Germany

      #3
      i think i took it from 820-01700.
      Oh no do i need it from same board? tought only the "new" 14 and 16 inch need from same Board/Position

      Comment

      • PITERPENY
        Badcaps Veteran
        • Jul 2023
        • 455
        • Ukraine

        #4
        Each 3217 has an installation order according to the diagram. 1/2/3/4 on boards with four ports and 1/2 with two-port. In no case should they be swapped, incorrect operation is possible! But in no case should you install 3217 with two ports on a four-port board and vice versa. This will not work. Before removing, number the CD.

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        • meineiid
          New Member
          • Jan 2019
          • 9
          • Germany

          #5
          wanted to let you know I got the right CD32 for A2251 and now everything is working fine. Thanks!

          Comment

          • PITERPENY
            Badcaps Veteran
            • Jul 2023
            • 455
            • Ukraine

            #6
            Originally posted by meineiid
            wanted to let you know I got the right CD32 for A2251 and now everything is working fine. Thanks!

            Comment

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