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  1. estelanim416

    820-00840 wont boot

    Hi Unit stopped turning on, no visible liquid or other damage Getting 5v then goes up to 20v and stays there forever but pulling only 0.01A checked a few things PPBUS_G3H 12.99v 3V3_G3H 3.39v L6995 to ground Pin 1 277 Pin 2 276 (is it too low?) U7000 P_IN 20.1v AUX_DET 5v VDDA 12.9v...
  2. estelanim416

    820 5482 a - spin, chime, but no picture

    As per title, no visible damage, no liquid residue, nothing that I could see. Tried with an external screen via HDMI and couldn't get a picture either, Please assist Thank you in advance!
  3. estelanim416

    820 - 3437 - b , dead

    Hi No light on the connector no fan spin. Tried with known good I/O board found signs of corrosion on c0895 and the test pads around it but after cleanup the lines seem to be ok still no power PPVRTC_G3H - 3.39V RTC_RESET_L - 3.39v PCH_SRTCRST_L - 3.39v PCH_INTRUDER_L - 3.39v PCH_INTVRMEN -...
  4. estelanim416

    820 - 00840 - a not charging (?) after liquid damage

    Hi Some liquid damage to the board, cleaned up, new battery, new 821-00614-a flex cable. Unit asks to be plugged in, when plugged in shows its charging but never goes beyond that. Any pointers? Thank you in advance
  5. estelanim416

    820-00165

    Hi Slight liquid damage, wasnt detecting the battery Redone Q7130 and charging works, but the touchpad stopped working after login, tried new flex cable same, then noticed that Q4800 was a bit dodgy (could be my fault while redoing q7130) Replaced Q4800 but same :/ Any pointers?
  6. estelanim416

    820-2915-B No fan after battery replacement

    Hi, Clients battery expanded and I replaced it. Booted, unit was waking from hibernation but was stuck, force powered it down and it wont come up since. No chime no fan. Client had 3rd party charger. Board looks fine - cant see any cracks/burns. Charger goes from green to orange with battery...
  7. estelanim416

    820 -3437 - B, spin but no chime no picture after liquid damage

    Hi Another Air, liquid ingress present in one area only, blob stretching from U7600 down to U7870 and to Y1915. It was dead ( just one wire circuit working) Cleaned it up with crest and I am getting spin but no chime nor picture. Nothing really pops up, all bits look good/shiny Please assist :)...
  8. estelanim416

    Macbook 2009 820-2610-A, power cutting off

    Hi Strange one. Works perfectly when booting to recovery or usb stick, but cots the power on normal boot, the moment a first bit of the progress bar gets filled. Did smc, vram reset, new os instalation - it seems to work then. But after cooling off (next day ie) it happens again. Checked the...
  9. estelanim416

    12" Macbook 820-00244-A not charging

    Hi, Unit works while plugged in only. Showing 0%, battery just under 500 cycles. Is there some common issue with those, or just dodgy battery? Thanks
  10. estelanim416

    macbook Air 2015 820-00165A

    Hi Got a no back-light unit Backlight circuit looks good R5117 completely burned out thou, cant attach it back as both points are also burned out. Any tips how to attach the replacement? Closer inspection revealed that the Q5158 also has damage on the CPU_THRMTRIP_3V3 line
  11. estelanim416

    820 - 00138 -A no back light, no liquid damage

    Hi For no apparent reason the backlight stopped working Where do I start? Is that something common with those boards
  12. estelanim416

    820 - 00165 A liquid damage, green light but no fan spin no boot

    Hi, Bath submerged macbook air, Obvious damage to the backlight circuit and both the lcd connector on the board as well as the lcd cable. Put through crest, replaced dodgy looking bits in the backlight circuit, changed the lcd connector. New io board and flex. When I plug it in with only lcd...
  13. estelanim416

    Another 820 - 00165 A liquid damage, number of issues

    Hi, This one had liquid exposure towards the centre of the board. At least that's all I can see here Issues: Slow performance Fan High Speed constantly No sound via speakers nor headphones Backlight goes on and off I put it thru Crest cleaner as it was quite dirty After crest sounds seems...
  14. estelanim416

    iMac 1311 (EMC 2308) EFI password issues

    Hi, Dumped the rom, but no $SVS present, I am confident that the dump is not corrupted. Anyone has a clean one? Or knows what else I can check? https://drive.google.com/open?id=1iTixL-8HJCAmWbtaFRysoyV4mlZ0tKCT
  15. estelanim416

    MacBook Air 2015, 820 00165 A, keyboard/touchpad works only pre-login (liquid damage)

    Hi again and Happy New Year! The same unit that had a backlight issue. (https://boards.rossmanngroup.com/for...-liquid-damage) Just got the password from the client. on login screen both touchpad and keyboard work perfectly The moment I log in, they are gone. I am hoping it is a common issue...
  16. estelanim416

    MacBook Air 2015, 820 00165 A, no backlight following liquid damage

    Hi Got this board yesterday D7701 C7796 C7797 L7701 all looked awful so replaced them, but still no backlight, otherwise the unit is functional Please assist
  17. estelanim416

    820-4924-a wont turn on

    Hi, Received the MacBook in for non-responsive keyboard. Upon inspection, Unit was fully working with the external keyboard. It would accept keyboard shortcuts at boot but nothing once we were in os. We found quite a few places with liquid residue. Put it through cleanup in crest ultrasonic...
  18. estelanim416

    820-3662-a backlight but probably no picture (?)

    Hi I have a macbook that will always chime and very rarely show questionmark folder icon but mostly just black screen with backlight I have tried the disk in another unit and it is healthy and boots with no issues According to the client there was no physical nor liquid damage and looking at...
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