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hi got this device with liquid damage. first accu was not good, with other one it turned on but dont recogniced the charger after that i found liquid damage around U5200 and around F5200 i cleaned that up, found i2c_smc_pwr_3V3_scl had to high value in diode mode, replaced UD201, then scl and...

Hi, i wanted to uügrade this imac but there faces me some problems. 1. upgrade from i5 CPU to i7 4.0Ghz (4790K) insert the i7 there i have only 1. and 2nd led after a wilhle second turns off and first is only on then second turns on again and so on, no dong, nothing insertet the i5 all is...

Hi, got this imac with now signs of life, no led nothing, replaced with a known good power unit, nothing. found short in PP12V_ACDC pin 3 and 4 J6900 figured out, that Q8450 is blown, replaced it and the short is gone now already the first LED is coming up but after pressing power the LED turns...

Hi, i want to upgrade the ram here. found in the schematics RAMCFG 3..2 and 1..0 but wich resistors ? without boardview that will be a problem. can someone help me ? i have Hynix 4GB RAM Moduls So that will be 100K to R2291 and 10K to R2284,R2282, R2280 and to pull out in R2292, R2290, R2294...

Hi, just this device came in 20V draw with batterie no dong, no display checked the power sequenz from repair wiki https://repair.wiki/w/A2141_2019_16%22_MacBook_Pro PMU_CLK32K_PCH is ok PMU_ACTIVE_READY is 1.8V PMU_ONOF_L is 3.3V PP3V3_S5, PP1V8_S5 is 0V R8013 Pin1 has a nice sinus wave...

i have the 820-00165 4GB version and want it upgrade to 16gb so i bought 4x SEC K4E6E304EE-EGCE and soldered it in then i soldered the RAM straps like ino datasheet DDR3:SAMSUNG_16GB CFG0: L CFG1: H CFG2: L CFG3: H that worked but coming apple and during loading 30% it is turning off then i...

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?

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...

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...

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...

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

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 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...

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...

hi, could u tell me is there any difference. the supplier said its for different laptop models. in the schematic i found only CD3217

on all 4 ports the same PPBUS_G3H 12.26V PP3V3_G3H is missing short to GND in PP3V3_G3H via thermal camera and injection of 2V found damaged C7807 i pulled it from the board, the short is also away, in diode mode i get L7660 Pin 1 0.413 was 0,0 board back in the case with accu, no...

3 of the 4 tb ports working "normaly, but stuck on 5v 1 the front left side starting the amp meter all time again i found liquid problem under R3107 Pin 2, there was a big number in diode mode I scratched the mainboard there and found a via. so i soldered a new resistor and a jumper wire to pin...