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  1. quasimodo

    820-01987-A - 20V - chime - shuts off - looping

    for the machine game over?
  2. quasimodo

    820-01987-A - 20V - chime - shuts off - looping

    chimes every reboot...
  3. quasimodo

    820-01987-A - 20V - chime - shuts off - looping

    completely, backlight is turning on
  4. quasimodo

    820-01987-A - 20V - chime - shuts off - looping

    revive did go trough, but again...looping...
  5. quasimodo

    820-01987-A - 20V - chime - shuts off - looping

    yes, dfu is detected. running revive now.
  6. quasimodo

    820-3476-A - ppbus_g3h 4V

    figured it out. louis helped me.. and i forgot to put the 0 ohm resistor...
  7. quasimodo

    820-3476-A - ppbus_g3h 4V

    hey guys, machine came in like this (see photo). ppbus around 1v. rest of the board looking good. replaced all affected components, replaced u7100 -> now ppbus is 4v not stable chgr a/l gate is 0.02v? chgr_ugate is 5v dcin is good / 16v. what to do?
  8. quasimodo

    820-01069-B - iMac 21,5" - 2017 - no diagnostic lights

    removed CMOS cell. nothing. no schematic for the board. You have something?
  9. quasimodo

    820-01069-B - iMac 21,5" - 2017 - no diagnostic lights

    Hey guys, 820-01069-B - not a single light is on. Changed PSU. nothing. Whats going on here?
  10. quasimodo

    820-01987-A - 20V - chime - shuts off - looping

    Nop. Backlight is coming on and then the machine is turning off instantly. DFU at all possible at that state? Data would be nice...
  11. quasimodo

    820-01987-A - 20V - chime - shuts off - looping

    Hey guys, 820-01987-A - no liquid damage. Machine starts, chimes and shuts off directly. Looping. What to do? Whats wrong here?
  12. quasimodo

    A2141 - no update / fresh install / only catalina

    tried everything / internet / from boot-usb / dfu restore Just a message is coming up "update failed" at end of installation
  13. quasimodo

    A2141 - no update / fresh install / only catalina

    no ideas?
  14. quasimodo

    A2141 - no update / fresh install / only catalina

    catalina is going through. but no other system...
  15. quasimodo

    A2141 - no update / fresh install / only catalina

    i know that... i want to update the system. but not possible.
  16. quasimodo

    A2141 - no update / fresh install / only catalina

    hey guys, got a A2141 16" here. I can install catalina over internet recovery, but nothing else over usb. "update failed" at the end of the progress bar in the recovery dfu restore no help... internet recovery is on sonoma now. (cmd+option+r) any ideas?
  17. quasimodo

    A1707 15" 2017 - no OS install possible / SSD showing up / not showing up

    any fix for this?
  18. quasimodo

    A1707 15" 2017 - no OS install possible / SSD showing up / not showing up

    cleaned. no effect. cannot see the ssd in tdm
  19. quasimodo

    820-02098-07 - 5V 1A / liquid damage

    wanna know every LDO voltage?
  20. quasimodo

    A1707 15" 2017 - no OS install possible / SSD showing up / not showing up

    Hey guys, got a 15" A1707 here. 2TB SSD. Boot into Recovery is possible. I see the SSD. But OS installation breaks up. After reboot the SSD is not showing up. After i reboot again via USB / Internernet recovery I see the SSD again. Whats going on here?
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