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  1. quasimodo

    820-01949 - no power / changed CD3217

    everything looks okay. just read about the board on repair.wiki. i put a new cd3217 on it - i really need to pull the cd3217 from a donor board?
  2. quasimodo

    820-01949 - no power / changed CD3217

    ppbus_g3h is 12.3v on working ports -> t2 crap?
  3. quasimodo

    820-01949 - no power / changed CD3217

    Hey guys, history: 3 ports were showing 5V/0.45A 1 port was dead / burn mark on chip / nothing on amp-meter changed the chip. now the 3 working ports showing 5V/0.25 -> dead port showing now 5V/0A ppbus_g3h / 3v3 are there, when i connect to the working ports. strange voltages when i connect...
  4. quasimodo

    820-4652-A / iMac 27" 2014 / No diagnotic LEDs

    Hey guys, thats my first iMac Logic-Board repair. No LEDs are shown. Changed PSU, no LEDs. Where to start?
  5. quasimodo

    "One more thing" - A2485 MBP 16" - 2021 - Lid angle sensor

    Hey guys, the lid angle sensor is corroded. Disconnected the sensor - everything´s starting up and fine. Is there a fix without Apple? Can i move the chip (when its alive) to a new cable and everything´s works fine? Or it needs to be calibrated by Apple´s Software? This awesome rocket-science...
  6. quasimodo

    A1990 - 2018 - no update/fresh install possible

    dfu restore made it. i love the t2, touch id and all this amazing stuff
  7. quasimodo

    A1990 - 2018 - no update/fresh install possible

    no DFU restore tried. just try to install ventura/monterey. internet recovery catalina gone trough. "a software update is requiered" - in a loop.
  8. quasimodo

    A1990 - 2018 - no update/fresh install possible

    Hey guys, got a strange mac here. Every time i try to install a fresh OSX, it keeps me saying one update is needed. TOUCH-ID not working. Just the board. Every possiblity tried. DFU reset or what should i try?
  9. quasimodo

    A1980 - iPad Pro 11" - Face-ID revive

    Hey guys, got an iPad Pro 11" A1980 here. Customer killed the flex cable of the middle camera. The rest is alive. Is it possible to revive Face-ID by just replacing the middle camera?
  10. quasimodo

    A1418 - iMac 21,5" - 4K - 2017

    looks like safe mode is booting normally...so game over for this imac?
  11. quasimodo

    A1418 - iMac 21,5" - 4K - 2017

    Hey guys, any experience with these kind of models? New SSD inside (thought bad HDD), sometimes its booting normal, somtimes not, crashing - last time this half yellow screen. A photo is attached. Any ideas? Are these boards dying?
  12. quasimodo

    820-01041-A - 5.2V 0.02A

    heres a photo. theres almost nothing left where i can solder to. short maybe there? how i solve it?
  13. quasimodo

    820-01041-A - 5.2V 0.02A

    1.4 OHM on bad board....
  14. quasimodo

    820-01041-A - 5.2V 0.02A

    removed the logicboard, only charger connected... same issue.
  15. quasimodo

    820-01041-A - 5.2V 0.02A

    remove the connector from the board? J6640?
  16. quasimodo

    820-01041-A - 5.2V 0.02A

    Hey guys, no liquid damage. Mac said adios connecting a charger... 5.2V, 0.02A - jumping to 0.2A and back to 0.02. L6640 got blown, removed, still a short somewhere. PPBUS_G3H 12.3V unstable - jumping to 10 and back to 12 PP1V8_G3S 0V where to start?
  17. quasimodo

    820-01521-A - no stable image/backlight - black screen when boots

    saw that L8570 was blown, replaced it, still same... PP5V_S0SW_LCD is present
  18. quasimodo

    820-01521-A - no stable image/backlight - black screen when boots

    Hey guys, having a strange Macbook Air 13" here. external display works fine / chimes water damage - had corrosion around the display-cable and connector. replaced cable + display - sometimes i a got a image/backlight - when its tries to boot into the os - black screen is coming up. one...
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