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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

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

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?

found a short in PP3v3_G3S

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

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

is this possible? I checked RT330 the value pin 1 open board is 0.209 my is 0.198 seems ok pin 2 open board shows 0.515 my is 1 i desoldered the resistor and measured it, 98K seems ok. pin 2 on the board, desolderd still shows .500 I soldered it back and now it shows pin 1 0.198 pin 2 0.500...

i got this device in. after power on, trackpad and keyboard work normally. if you close the lid and open it again after about 3 seconds, the trackpad no longer responds, as if dead. also the keybopard no longer works. you have to turn off the device hard and turn it on again, then it works...

I now found out that in normal mode everything is working but all time after wake up from sleep mode trackpad is like "dead" Now I found on the trackpad a tiny bit of old fluid . I cleaned the trackpad in ultrasonic and now all is good, after sleepmode is still working fine So I think that was...

ok, thanks for the hint

i have now reassembled everything with a new trackpad cable. the device now works flawlessly.

i tryed no the faulty mainboard without backlight cable. now its working all like it should be. but intresting, for doubleckeck i pluged the keyboardbacklight in again and now ALL is working without problems. i dont know now what was the problem, oh how i hate such things... i tryed the faulty...

î got this device with not working keyboard and not working trackpad. i replaced all the stuff like traclpad tp-cable, controller and so on. now i got a known good working mainboard. with the good mainboard keyboard and trackpad are working with the faulty mainboard kb and trackpad not...

ok i will do so

there is only CD3217B12 and some numbers