Recent content by HeyWatchOutDude

  1. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    Issue fixed - RC853 was blown, haptic feedback is now working. Note: PPBUS_AONSW_TPAD was missing. Regarding the audio issue, I replaced all three amplifier chips - cracking sound is gone.
  2. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    Device is back online, trackpad feedback still not working (trackpad/keyboard is working)
  3. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    Regarding the “crackling” right speaker, any idea?
  4. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    Do you have any idea - What might be here the issue? Faulty UC300?
  5. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    Other “issue” … the right speaker is sometimes crackling at 100% volume with heavy bass, I have already tried a new speaker same behavior - any idea? Edit: The trackpad haptic feedback is also unreliable (50/50 not working/working) I have already replaced the cable, same behavior - seems like a...
  6. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    After installing a new “RAA489900A6” everything was fine again. That means ISL9240 isn’t compatible with that model.
  7. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    I’ve already ordered two (just in case). I’ll let you know if it fixes the issue or not. Note: I’ve tried it with a known good ISL9240 - seems like it is not compatible (at least on the A2941).
  8. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    Yeah I have added the diode value, please check again. UT360 (Line: PP3V3_S2_HOLD_IPD) was shorted, I have replaced it - short was gone. But now it stucks at 5V (Before it was booting fine but without keyboard/trackpad functionality) PPDCIN_AON_GHGR_R = 5V R5221/5222/5261/5262 = 1ohm (Note...
  9. HeyWatchOutDude

    820-03286 (A2941) - No PPBUS_AON / Stuck at 5V

    Hi, I have an 820-03286 (A2941 / MacBook Air M2 15” 2023) that has no PPBUS_AON and gets stuck at 5V / 0.05A. Note: I replaced U5200 because PPCHGR_VDDA/VDDP was only at 4.5V. After replacing it with an ISL9240 (from a MacBook Pro M1 2020), it’s now back to 5V. Current measurements...
  10. HeyWatchOutDude

    MacBook Air M2 A2681 (820-02536) - Trackpad/keyboard not working

    Sleep wake sensor was not working, I have recalibrated it with a tool - all good now. Keyboard is now working - JT400 was faulty, I have replaced it. Trackpad is still not working - Cable and Trackpad are good - Any idea? Issue found: UT350 (PIN: SPI_IPD_TOUCH_CS_CONN_L was fried) - Replaced...
  11. HeyWatchOutDude

    iPad Pro 11” (3rd Gen - A2377) Face ID Issue – Dot Projector Diagnosis & QianLi iCopy Repair Feasibility

    Hi, I have an iPad Pro 11” (3rd generation – model A2377) with a non-functioning Face ID. It consistently displays the message: “Move iPad higher/lower” during setup. When inspecting the TrueDepth system with an infrared-sensitive camera, I noticed that the dot projector is not emitting any...
  12. HeyWatchOutDude

    MacBook Air M2 A2681 (820-02536) - Trackpad/keyboard not working

    Same behavior with the new daughter board. I suspect the issue is related to the sleep/wake sensor, which doesn’t seem to be working correctly. Example: When the MacBook is closed and I plug in the power cable, it automatically boots up. The display doesn’t go to sleep when I close the lid...
  13. HeyWatchOutDude

    MacBook Air M2 A2681 (820-02536) - Trackpad/keyboard not working

    I took the measurements again and updated the values above. (with keyboard and trackpad connected) The diode value for SPI_IPD_MISO_CONN is 0.100 lower than the source data you provided. Other than that, everything seems to be OK. How would you like to proceed?
  14. HeyWatchOutDude

    MacBook Air M2 A2681 (820-02536) - Trackpad/keyboard not working

    Device was water damaged at Trackpad connector, Keyboard daughter board and Audio area (Audio already fixed).
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