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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...
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...
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
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...
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
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...
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...
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.
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
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
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?
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?
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...
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