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  1. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    Then are there nothing to check with this anymore?
  2. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    Even after erasing, the symptoms remain the same.
  3. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    I removed SOC Rom chip to force the DFU mode, but it is not working. I checked the SOC_DFU_STATUS, and it stays at 1.8V for 5 seconds before looping back to 0V.
  4. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    can be the thunderbolt control ic can be a problem? Or the T2 chip is faulty?
  5. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    I tried but no luck, I also checked SOC_DFU_STATUS if it is high, but no luck.
  6. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    PP1V8_SLPS2R, PP0V9_SLPDDR, PP1V1_SLPS2R, PPVDDCPU_AWAKE, PP0V82_SLPDDR, PPVDDCPUSRAM_AWAKE These are all present. PPVPCORE_S5, PP1V_PRIM, are missing.
  7. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    Sorry for bothering you, but could you let me know the full name of the line you need? I’ll measure it and get back to you right away.
  8. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    Sorry for the confusion, I’ve done RE032 before.
  9. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    What do you mean external switch method ?? I tried force_dfu pin pull down to get into DFU but no luck. Also I tried using option, command, shift , power button method but also not work. I wonder if the T2 is bad or not
  10. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    I double checked corroded area but it seems have no problem. I want to know why PP1V8_S5 and PP3V3_S5 have no voltage. What should I have to check? Please let me know anything I have to check. and I found T2 chip is 36.4~37 degree. Is this normal?
  11. J

    A1989 water damage / missing PP3v3_S5 / Stuck 20v 0.11 amp

    The device is a MacBook A1989 that experienced liquid damage. Initially, it was recognized in DFU mode, and a REVIVE operation was successful (although the display and keyboard Caps Lock were non-functional, the CPU VCore was present). However, after cleaning the board, it started drawing only...
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