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  1. Dozer

    820-02020 keyboard backlight not same brightness

    was liquid damage, but the board looks clean, the liquid i found in the fingerprint sensor and in the lcd driver board. after replace the lcd and cleaning the fingerprintsensor connector all is working good. it seems only that the brigtness left and right side is much more than in the middle...
  2. Dozer

    820-3437 dont turn on

    ok. before i replaced Q7630 the PCH was heating up quick to about 45C J6100 removed already SMC not reballed
  3. Dozer

    820-3437 dont turn on

    got this macbook air with liquid damage cleaned it in ultrasonic, after visual inspection dont found anything what immediately catches the eye orange/green light on macsafe 3.42V present PPBUS_G3H is 1.5V open the F7140 is 8.52V there is no short to ground in PPBUS_G3H but i can measure...
  4. Dozer

    820-00165 random crashes

    found missing component R3702 insert it but still no change. found another C1088 but want to take from another board, there was nothing as well. tomorow i will replace it but i have no hope that this c could change something
  5. Dozer

    820-00165 random crashes

    yes, test with own known good ssd via USB macOS, could u post me a clear me bios?
  6. Dozer

    820-00165 random crashes

    it sounds perhaps a bit crazy but if i unplug the batterie the problem is still there. but if i plug in a thunderbolt lan adapter with lan cable the problem seems to be solved (without akku) without akku and without adapter the problem is still there with akku and with adapter problem is...
  7. Dozer

    820-00165 random crashes

    in SMC bypass mode is same faulty result like described in my first post
  8. Dozer

    820-00165 random crashes

    started in safe mode is coming up starting heaven i get a black screen with only visible and movable cursor by clicking trackpad button the screen is flashing white video here: http://mysmarthome.synology.me:5000/d/s/ueRxY9PfbhfaRhje34ZOe9U6shLQrUyX/o8re5sAyUqpoeYlbpEVUw-j3BtI8e08K-mLCgKZybpAo
  9. Dozer

    820-01700

    got this device, dont turn on. The customer said that he closed the lid of the laptop and after a few hours when he wanted to continue scanning, he opened it and the device stopped responding. It had 5V and little to no amps. I found a short in the PMIC U9580 and replaced it. after that I had...
  10. Dozer

    820-00165 random crashes

    got this macbook air client told sometimes it turns off used an new known good battery and original 85w charger same problem. i could force the problem by stzarting "heaven" just bevor the animation starts it turns off, every time I found in the forum and on my board L1270, L1295, L1275 and...
  11. Dozer

    2014 27" imac with dong but no sound only digital

    thanks, that was that what i was looking for. unfortunatly this was not the problem. but looking for R6796 I found on the board L6509 ripped off. so of course that was it. I dont know why i didnt saw that yesterday. thanks for help. case closed.
  12. Dozer

    2014 27" imac with dong but no sound only digital

    hi have a 820-5029 all working, comes dong in the beginning. mic working, but no intern speaker. only digital output and the red light is on on the back of the imac. headphones are working and are shown i pluged already the conector off (J6500) but still the same need some help here please
  13. Dozer

    A2780 Display replace

    got a brandnew 16" 2023 A2780 display broken. it will be needfull to replace the display and the topcase. can you tell me, if i replace it with a used one can that resume in problems? Is the display serialized with the board? need som informations please
  14. Dozer

    820-01041 A1990 (2018) EFI password unlock.

    thanks, but is it realy needfull to bypass again and again?
  15. Dozer

    820-01041 A1990 (2018) EFI password unlock.

    in all the videos is to see after bypassig installing osx catalina. is it possible to install ventura? and after every update its needfull to bypass agein, yes?
  16. Dozer

    820-01521 A1932 dont turn on

    short in U3700! pulled from the board and now its working, can save the data is it possible or worth to solder another wifi modul or its serialised with the mainbaord?
  17. Dozer

    820-01521 A1932 dont turn on

    found a short in PP3v3_G3S
  18. Dozer

    820-01521 A1932 dont turn on

    usb meter switches to 20V switching from 0.061 to 0.008 A during PPBUS_G3H is 12.2V PP3v3_G3H_RTC 3.24V PP3v3_G3H is 3.36V andafter some seconds drops down to 1.16V in diode-mode all pins from U7650 are like the values in opendata no shorts in the big coils to find is that a possible...
  19. Dozer

    A2337 MacBook Air Trackpad and Keyboard not working 820-02016

    I resoldered UT330 and to be sure UT365 from that moment no problems anymore, my guess like your UT330 had bad solder and from the heat of the soldering RT330 it was again working temporaly. SOLVED
  20. Dozer

    A2337 MacBook Air Trackpad and Keyboard not working 820-02016

    bad news. the device was now sleeping about an hour and already same problem :-(
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