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  1. I

    A2141 820-01700 strange power issue

    96w charger yes. left side cd3127 i changed.
  2. I

    A2141 820-01700 strange power issue

    usb c meter not switching to 20v without battery, when battery connected 20v 36mah, without battery 5v 230-250mah. board boots fine and working but no charging and left side activity
  3. I

    A2141 820-01700 strange power issue

    And not charging also
  4. I

    A2141 820-01700 strange power issue

    Now its booting and working, but something is wrong with left side because no usb activity, but right side is working and not charging
  5. I

    A2141 820-01700 strange power issue

    First was 3 usb ports acting 5v 200mah and 1 port only 5v 36mah, i changed 2 usb controllers one side and now 4 acting 5v 200mah, without battery connected. When i connect battery after first try ports same 5v 200mah but second try with battery 20v 0.63mah steady. ppbus 12.30 cycling to 10-11...
  6. I

    820-01521 no display

    820-01521 board working with external,internal showing only bl. tryed 3 different displays.
  7. I

    820-01700 display problem

    same, nothing changed
  8. I

    820-01700 display problem

    changed, no changes, all same.
  9. I

    820-01700 20V, 0.045-63a, NO POWER

    dfu gives error 6
  10. I

    820-01700 20V, 0.045-63a, NO POWER

    Board came in with no power, every port acting same 20v 0.045-0.063a. Dfu didnt work. and nothing is not heating and no sign of burnt or h20
  11. I

    820-01598

    dfu not working and u7650 pin 4 is not high
  12. I

    820-01598

    PPBUS_G3H = 12.30 PP3v3_G3H = 3.4V PP5V_G3S = 1.8V
  13. I

    820-01598

    Board came in no power, 5v 0mah, now i changed both usb controllers and get 5v 270-480mah but i noticed pp5v_G3s 1.8v and dont find problem.
  14. I

    820-01700 display problem

    it cant be gpu issue because external monitor booting and everything okay, just internal goes black when os start
  15. I

    820-01700 display problem

    First it came in with water dmg to display connector, no image at internal, but external working. Now after repairing connector and changed screen flex board boots fine to os, shows apple logo, but after boots to os display goes black. I tryed safe mode boot, everything works. But normal boot no...
  16. I

    820-01598 no power

    Now i got 5v and 300mah but no 20v
  17. I

    820-01598 no power

    SPKRAMP_RESET_L diode mode to g 0.007v SPKRAMP_INT_L diode mode to g 0.032v
  18. I

    820-01598 no power

    Hey, first it came in no power, no sign of h20 or burn, i looked and PPBUS_G3H = 0.3v and find problem with speaker amp. now i got PPBUS_G3H = 12.3V PP3v3_G3H = 3.3V PP5V_G3S = 11.5V seems like pp5vg3s got some problem, where to look and what next
  19. I

    820-02016

    Hey, board came in with 5v and no power, i checked down to cpu cover and find l7800 is burned, changed but it goes hot and pp3v8_aon_vddmain when pluged charger going to 1v and goes hot u7700 and l7800 side. Can i change u7700 or its with cpu ?
  20. I

    820-01700 Display issue

    U9850 changed, nothing , still same
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