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MacBook A1707 favor needed.

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    #1

    MacBook A1707 favor needed.

    Hello,

    I'm replacing NAND (Upgrade 256GB to 1TB) and need a favor from someone who have this motherboard – 820-00928. I haven't checked resistant to the ground before replacing chips and after I've placed new chips I've notice low resistance on L9370 (number 1 on my attached picture) next to the U9310 (S2FPS04X01). 0,3 - 0,2 Ohm.

    If someone will be so kind and could check this resistance I'll be pleased.

    Thank you in advance!
    Attached Files
    Last edited by Robin21; 08-13-2023, 05:03 PM. Reason: I forget to add attachments.
    Tags: None
    #2
    Re: MacBook A1707 favor needed.

    Hi,

    It was shorted SDD controller. I haven't touched it during replacing SSD chips around and glue was still there. It seems glue is changing its capacity during heating. When I've removed it there was a mess under it. Now I have high resistance on that coil, and I've measured 1,2V. But replacing SSD's wasn't success. M/B works, but there is no disk..

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      #3
      Re: MacBook A1707 favor needed.

      There are strapping resistors and the SSD controller for 1TB/2TB configurations has more RAM.
      Attached Files
      OpenBoardView — https://github.com/OpenBoardView/OpenBoardView

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        #4
        Re: MacBook A1707 favor needed.

        Originally posted by piernov View Post
        There are strapping resistors and the SSD controller for 1TB/2TB configurations has more RAM.
        Thank you Piernov. I'll try that. Still have SSD Controller.

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