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  1. No-Clean

    820-02773 USB Activity but no image WiFi issue

    Lid angle sensor ok, LCD screen flex ok.
  2. No-Clean

    820-02773 USB Activity but no image WiFi issue

    Board came in with WiFi shorted and not booting. Customer wants info, with WiFi removed I get 20V and USB activity but no image, trackpad clicks and caps lock fine. No LCD connected and external monitor same problem, known good LCD same problem
  3. No-Clean

    820-02098 5V

    Board had corrosion around C7700 yes I got 2 of this Macbook with same area corrosion. My question for this one is simple, U7700 was shorted replaced it but R7702 lost it pads and a new one cannot be soldered without some extra wire work, will that resistor for the line SPMU_IREF keep the Mac...
  4. No-Clean

    820-02098 5V

    Checked all coils for abnormal values all are ok, checked the entire board for shorts and nothing.
  5. No-Clean

    820-02098 5V

    Board had very very little corrosion around C7700 cleaned and replaced components from donor. Port meter 5V ~0.045aA PPBUS_AON - 12.3V PP3v8_AON - 3.8V PP5v_S2_MAIN - Pulses ~0v - ~1v PP3v3_S2 - Pulsing RC283 and RC282 heat up under thermal camera.
  6. No-Clean

    A2141 820-01700 2 Right side USB-C ports bad

    UB740 was moved out of place from other shop that worked on this before, all good now. Muchas gracias
  7. No-Clean

    A2141 820-01700 2 Right side USB-C ports bad

    No, bad cap, macbook boots now but only left side ports charge/activity
  8. No-Clean

    A2141 820-01700 2 Right side USB-C ports bad

    Clean board, came in with short in pp2v5nand but also has 2 dead ports UB300 and UB400. Replaced UB300 and UB400 and UB700 and QB701 and also new UB090 reprogrammed with correct firmware.
  9. No-Clean

    820-01700 Charge issues

    Just that he rarely ever disconnects the charger, we tried 2 different known good bakeries too
  10. No-Clean

    820-01700 Charge issues

    Any other suggestions @2informaticos Thanks
  11. No-Clean

    820-01700 Charge issues

    Yes and today I tried revive T2 as well but no luck
  12. No-Clean

    820-01700 Charge issues

    No, it shows 60% and charging icon but it does not charge
  13. No-Clean

    820-01700 Charge issues

    Same thing even with new battery and different charger, new battery has 60% charge and as soon as cable is unplugged Mac turns off.
  14. No-Clean

    820-01700 Charge issues

    I assume I have to make a bridge from SYS_DETECT_L to ground?
  15. No-Clean

    820-01700 Charge issues

    Yes original Apple and same thing
  16. No-Clean

    820-01700 Charge issues

    Clean board, Mac turns on, shows charging icon and battery icon, but as soon as the charger is disconnected, the Mac turns off. U7000 replaced and same problem. J6951 diode readings are on par with known good board. New battery same problem.
  17. No-Clean

    820-02773 WiFi shorted

    Thanks for the info, I did a little research and there is a programmer called Luban they are famous for iPhone NAND programmers, I have used them in the past. The programmer, module for this wifi model and WiFi IC all comes to around $350 and I could only find it in China, looking at some...
  18. No-Clean

    820-02773 WiFi shorted

    Can the WiFi in this Macs be replaced and if so what other IC needs to be transfered from donor board or what IC needs to be re-programmed? Thanks!
  19. No-Clean

    MacBook Air M4 2025 NAND upgrade

    Yes, same exact process and I get error 4042 Thanks for sharing
  20. No-Clean

    MacBook Air M4 2025 NAND upgrade

    I have a MBA M4 2025 with 256Gb Flash storage and I want to upgrade it to 1Tb or 2Tb, I have here another donor board with 1Tb NAND same model but it is 15" board is almost identical, when I swap the NAND chips and try to install OS via Apple Configurator I get restore error 4042, looking a the...
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