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  1. J

    Help with A1990 / 820-01041

    So I'm fried then. Well, I have a motherboard with 1TB and 32Ram that could be used for parts. I also have an intact shell, LCD, and all the tiny pieces. Is anyone interested?
  2. J

    Help with A1990 / 820-01041

    Yes, I did. It is not exactly short, it is around 3-5 ohms. I did apply low voltage and the current was around 3-5A in some areas, and they are in agreement with the max amperage defined on the schematic.
  3. J

    Help with A1990 / 820-01041

    Hello, So I sourced it, and I was able to successfully rework the U7800, but it didn't work. Exactly the same behavior.
  4. J

    Help with A1990 / 820-01041

    Got it. Do you have that part in stock?
  5. J

    Help with A1990 / 820-01041

    Hello, fixed the formatting of my comments. Here are the powers measured: PP1V2_AWAKE = 0V PP1V2_AWAKE_SOC_PCIEPLL_F = 0.03V Flickering PP1V2_AWAKE_SOC_PCIEREFBUF_F = 0.04V Flickering PP1V2_AWAKE_SOC_PLLCPU_F = 0.04V Flickers PP1V2_AWAKE_SOC_PLLSOC_F = 0.04V Flickers...
  6. J

    Help with A1990 / 820-01041

    So I plugged a genuine USB-C Thunderbolt into the left/front USB and attached it to another MacBook pro with Apple Configurator 2. No luck.
  7. J

    Help with A1990 / 820-01041

    Thanks a lot! Can I do this without a battery connected?
  8. J

    Help with A1990 / 820-01041

    Hello guys, My MacBook Pro died after cycling the battery using Al dente. I been using aldente for years to keep my battery at 80% with great success but after upgrading to the PRO version, I decided to try the Cycling feature. It suppose to discharge the battery to 15%, charge it up to 100%...
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