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  1. Dozer

    820-01521 don t wake up after lid close

    tryed in another case and all is ok. Found there is another sensor left side nearby the microphone. after replacing the microphone all is working. Problem solved
  2. Dozer

    TrueTone Displays

    this? both chips need to be replaced yes?
  3. Dozer

    TrueTone Displays

    i have an A2338 and by replacing the Display with another one I bought the TrueTone Option in the Display Menu is missing. Is there any way to copy a serial from the origianl display or like that in to the other display to make this work again?
  4. Dozer

    820-3437 dont turn on

    found no problems with SPI Bus Termination resistors so i decided to replace the mainboard, i think you are right, PCH is bad
  5. Dozer

    820-01521 don t wake up after lid close

    got this unit with high fan spin. found bad battery. after replacement fan is ok. when i click on the sleep mode, the device goes into sleep mode and wakes up again normally. but when i close the lid it also goes into sleep mode, but after opening it, the display remains dark. i have already...
  6. Dozer

    820-02020 keyboard backlight not same brightness

    today got the second new foil. and now its ok, that was the problem, a bad foil and a bad new foil. thanks for help, case is solved
  7. Dozer

    820-02020 keyboard backlight not same brightness

    i got today the new backlight sheet and now the right side is dark, the foil is new, so can that be that the foil is broken?
  8. Dozer

    820-02020 keyboard backlight not same brightness

    i tryed it by holding more than 10 sec the power button down. it not helped i dimmed it to take a foto, hope its to see what i mean
  9. Dozer

    820-02020 keyboard backlight not same brightness

    I read in Diode mode on JT002 without connected any of the 3 cables 1 1 2 1 3 1 4 .624 5 .624 6 .613 7 .613 8 1 9 1 10 1 JT001 1 .448 2 .448 3 1 4 1 5 1 6 1 JT000 1 .449 2 .449 3 1 4 1 5 1 6 1 connected all 3 cables the readings are almost the same JT001 has 2x 0.450 and...
  10. 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...
  11. 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
  12. 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...
  13. 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
  14. Dozer

    820-00165 random crashes

    yes, test with own known good ssd via USB macOS, could u post me a clear me bios?
  15. 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...
  16. Dozer

    820-00165 random crashes

    in SMC bypass mode is same faulty result like described in my first post
  17. 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
  18. 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...
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