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  1. 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?
  2. 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...
  3. 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?
  4. 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
  5. quasimodo

    A2141 - no update / fresh install / only catalina

    no ideas?
  6. quasimodo

    A2141 - no update / fresh install / only catalina

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

    A2141 - no update / fresh install / only catalina

    i know that... i want to update the system. but not possible.
  8. 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?
  9. quasimodo

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

    any fix for this?
  10. quasimodo

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

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

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

    wanna know every LDO voltage?
  12. 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?
  13. quasimodo

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

    some are there, some not, some not stable...
  14. quasimodo

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

    where to measure?
  15. quasimodo

    820-3115-B brain dead, no chime

    Hey guys, history: no green light on charger, fixed it, now starting, fans spinning, no chime, no picture/backlight cpu vcore is present, goes up to 1.12v then jumps to 0.9v any help? dead cpu?
  16. quasimodo

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

    okay. new chip is on the board. amp meter shows: 5V / 0.08 - 0.11A unstable 3.8V are there! (PP3V8_AON) PP5V_S2_MAIN: 2.3V-2.6V unstable. how can i check that U8100 is soldered on correctly?
  17. quasimodo

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

    injected voltage again. no amps drawn...no short? measured again before injection -> beep mesaured again after injection .150 in diode mode. hows that possible? good sign?
  18. quasimodo

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

    got the chip. removed the chip. short is still there...
  19. quasimodo

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

    got no chip / donor board here. any idea where to get this awesome apple chip?
  20. quasimodo

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

    U8100 get up to 100 degrees celsius.... the chip itself and the area looks like new...
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