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Hi, got this a2442 with a broken screen. Was working well only screen cracked and power button not functioning. The previous repair shop already opened it and cut the flex cable of the power/touchID button. I wanted to test with a powerbutton of a 16" a2485, looked like the same in the...

Hi, Got a perfect logicbiard no traces of liquid only on pin 17 en 18 of UP800. Got chip off and saw that pin 18 was corroded bad. Cleaned it and replaced UP800 with one from 820-01598 (according to PDF, same model) Chip should get 5v. Diode mode readings are ok except for pin 17 and 4 Pin 17...

Hi all, I have here a 820-01700 with minor liquid damage around u9080 area. Nobody touched it before, that's good but found more than 1 problem. I was not getting 20v on the USB amp meter and PPbus_G3H was jumping up and down, couldn't get a reading. Found that pp3v3_g3h was shorted by C9501...

Hi, I have a 820-02020 with liquid damage around backlight area. Was working fine only thing was no camera. So tought lets ultrasonic to clean. And now I have a very dim image (apple logo) and then after 5 sec no image. Also after 30 sec, lcd comes on for 2 sec with backlight and image (login...

Hi, I got an 820-01987 board with a short in pp2v5_nand. I know its a night mare but wanted to try. Also I have the donor parts so first removed U8600 Still 2.5 ohm on pp2v5_nand. Then removed U8700 and the short was gone. So wanted to only replace these two nand chips but read that you have...

Hi, got here a new problem case. Received it with only little info. little corrosion around u7000 Fixed it easy. Was booting fine but very slow hihg CPU usage while Idle. Checked all set sensors nothing missing or no high temps. After another cleaning with flux around the u7000. Now won't boot...

Hi, received this logic board with little corrosion around cd3217 and some around the toucid sensor chip. See attached pictures. Laptop boots when connected to battery and charger but does not charge. Also no 19v on USB C amp meter. Everything works when booted but only from battery. After...

Hi all, Got this board with a dead cd3215c00, there was a crack in it. So thought easy peasy. Changed the cd3215 U3200 with another one (ordered from ALI so not sure it was good) but still no 20v. Checked further and ppbus_g3h was 6v. After further inspection saw that another U3100 (cd3215c00)...

Hi have a weird problem, Received liquid damaged a2141 16" the two left USB-C ports stay on 5v, 0,330A Upper on steady lower boot loops. The right ones go to 20v 0,107A both steady. When connected to either 4 USB_C PPBUS_G3H goes to 12,3V. Also received with a solder blob below F7001 connecting...

Hi I'm a new poster to the forum. Have been reading for a while now. But this is my first post so excuse me if not good. Got a liquid damaged 820-01949 Was already been played with. Found a ISL9239 on the board in stead of a ISl9240. Replaced it off course with a new ISL 9240. But still no...