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PPaulPCGuy replied to the thread [SOLVED] 2020 A2338 Trackpad And DFU Issue.Alright, I finally got another 2020 A2338 in with a good trackpad. I tested it, and it works. I can't believe i went through 3 whole...
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2informaticos replied to the thread A2991 820-02935 IPD_SYS_AWAKE Missing."IPD_SYS_AWAKE is present *without* trackpad connected" In such case, CPU is the one which first wakes up the trackpad. Seems that even... -
2informaticos replied to the thread MacBook Air M2 (820-02536) – Power Cycling Issue.So board reacted at heat applied on the NANDs replacement process. I still suspect some leakage caused by corrosion somewhere.
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HeyWatchOutDude replied to the thread MacBook Air M2 (820-02536) – Power Cycling Issue.I installed the original NANDs again, and the power cycling stopped. I have no clue why or how. I managed to successfully DFU restore... -
SSMMRepair replied to the thread A2991 820-02935 IPD_SYS_AWAKE Missing.Yes, pin 4 went high as-normal and I got signal at JT400 normally then as well, but the DFU failed *exactly* the same way. Diode reading...
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2informaticos replied to the thread A2991 820-02935 IPD_SYS_AWAKE Missing."I ran a wire from pin 1 to pin 3" Pin 4 went high then? Check IPD_LID_OPEN_1V8 and IPD_WAKE_CONN_L; compare with good board. BTW...
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SSMMRepair replied to the thread A2991 820-02935 IPD_SYS_AWAKE Missing.IPD_SYS_AWAKE is 3.3v on a working board, and it's present at all times. On this board, it never appears or pulses or anything at all. :(
