Search results

  1. Inwerp

    820-00165 not booting fully, tried practically everything.

    Thanks to Discord chat, piernov and ChrisB, we found a solution for this problem. Q1920 is a Strap to temporarily disable ME region. I had 2 boards, 820-3437 and 820-00165, both with the same "boots till 100% than freezes" and "iGPU kext timeout" in Verbose mode. 3437 had some water damage on...
  2. Inwerp

    820-01041 SSD Power Buck converter

    Seriously, Louis, you should allow Russian/Cyrillics here, suka blyat': Here's a pastebin https://pastebin.com/988zxAzf
  3. Inwerp

    820-01041 SSD Power Buck converter

    this is TPS62180 and it would be absolutely wrong and disrespectful to translate "apple notebook schematics" in Russian: "????? ????????? Apple" and god forbid someone looks in google for it.
  4. Inwerp

    820-01041 SSD Power Buck converter

    Can someone give me a "normal" partnumber for this chip? As far as i see it has full short circuit to ground and i hope it did not pass 10.8v directly to the SSD. once again - macbook 15 2018 is a piece of shit which sucks water right into the SSD power IC, killing the SSD with zero data...
  5. Inwerp

    820-00244 one more serial problem?

    OK, solved. that was a keyboard damage and since i happend with two devices i decided to repair it instead of replacing the keyboard. on keyborard jack , pin 8 from left, jumper to the testpad 2cm higher(just near the partnummer stuff), first row 3 from right is a SMC OnOff. quick diagnose -...
  6. Inwerp

    820-00244 one more serial problem?

    yup, i mean R5226. Trace is perfectly fine as well as cable/jack. I guess i need to order the whole topcase to localize this issue.
  7. Inwerp

    820-00165 - there might be an issue with the camera

    what glue did you use? still looking for something which fixes fast enough but does not glue my fingers together like cyanoacrylate
  8. Inwerp

    ?A1502/4924 graphic glitches

    why dont you use cracked lcd as a test screen? this glitch looks fat enough to be visible on the old screen as well. whould be rather funny to know thats a firmware issue
  9. Inwerp

    820-00244 one more serial problem?

    i have 2 devices with the same problem. had one last month, customer needed to backup his data - so he took the device as soon as he saw apple logo (in urgent cases i allow customer to see the process) power button does not work, kind of shorted but not. call me dumb, i do not get it. SMC_ONOFF...
  10. Inwerp

    820-00840 Waterdamage

    I wonder why it fails so funny, i mean it does not really pull down the smbus, it just posts some trash so line wont be recognized by smc anymore. I mean i do not see any difference on oscilloscope, but it definetely fucks up the whole line. Afaik it fails pretty often in the exact same way...
  11. Inwerp

    820-00840 Waterdamage

    so if someone looks for a sollution without replacing crappy flexgate display. remove R8556 R8558 to cut failed sensor from the SMC communication line. camera works, no idea if something else will not work(i guess some crappy light sensor should be definetely dead, who cares), would not...
  12. Inwerp

    820-00840 Waterdamage

    with display connected i got 128C on all sensors except CPU/Gpu internal and "incoming air" . Also, Camera can be disconected separately (small cable left to the USB C side), makes no difference. also i have 1/2 Sec pulses on Airport Temp sensor (the only one i can measure in chassey) without...
  13. Inwerp

    820-00840 Waterdamage

    unfortunately i have no display assembly to test. if it was older board it could be SMC SDL SCL shorted to ground but this board has only one chip on this line for CPU Thermal sense + Camera. I hope its not The Camera because than it will really suck. I will check with HWMonitor, device boots...
  14. Inwerp

    820-00840 Waterdamage

    minor waterdamage in Backlight Area, nothing special. Signs of fluid in Camera connector, no corrosion, cleaned, resoldered. Backlight Ok(removed corrosion+ replaced U8400), chimes, boots, 100% Fan/AHT: PFM006, NDC001, PPN001 PFM006 and PPN00 = temp sensor, NBC001 = Camera, nothing really...
  15. Inwerp

    820-00165 intermittent boot.

    You should put your probe on the cpu side of the inductor. The reason you're reading 0.1...3.8v is that you're reading output of the buck converter which is basically a sqare wave with a pulse width proportional to voltage. As for random start behaviour, you need an oscilloscope to check all...
  16. Inwerp

    IR Camera is not useless and it looks really great if you cook it well

    Everyone knows that IR Camera is a 800$ useless shit which works almost like isopropanol but gives you a luxury feeling of being a short-circuit predator. Long story short, IR cameras look like shit not only because of a shit sensor, but because they are always unfocused. exactly like Barlow...
  17. Inwerp

    macbook air 2015 = stage lights

    check lcd backlight feedback lines
  18. Inwerp

    Macbook losing serial

    i can sen you apple serial updater dmg just for lulz if you need.
  19. Inwerp

    820-01041 the pleasure of the soldered SSD and no Data-recovery port.

    small update. since disk utility did not show any drives including external USB or recovery loop device, i tried to check if it is recognized in terminal(next hope was to use it with external SSD drive) i can see partitions, it even tries to format them but it keeps saying that i do not have...
  20. Inwerp

    820-01041 the pleasure of the soldered SSD and no Data-recovery port.

    well, the nasty chip is some sort of power ic with 3 outputs which look perfectly fine. found some feedback lines, they are ok. my only hope is that there's something like fuse resistors near the chip. as you can see on first photo, there's nasty capacitor near the coil. because apple is very...
Top