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Hello, i have 820-01598-A board that not powering on. usb-c tester shows that it takes 20v from original charger and going up to 600mA then drops to 430mA and stays . Basic voltages (at least the ones i mesured) are present, cpu is getting hot and missing some voltages ppbus_g3h - 12.62v...

Hi, I have 820-3787-A board that came to me with no power problem, it was blown u7190 and shorted u7100 that I replaced. After some troubleshooting I find out that something wrong my SMC and replaced it as well. Now machine is starting to work with around 1-1.5 A taking but only for 10-20...

Hi, i have 820-00165 board that not starting from power button. The board works good when it starts from charger and since it started, it works even without charger, but it powering on only if i plug in cable. Power button is working fine, it can turn off machine but not turn it on.

Hi, I have 820-02100 board that not powering on. It shows 5v 0.013A on usb-c amp meter. It was liquid damage in UC260 area, and I have already found 2 shorts on pp5v_s2_main and fixed it but it didn’t help. I guess that now CD3217 is not speaking with U5200 so 20v is not boosting. PPBUS_AON -...

Hi, I have A2337 motherboard with shorted wi-fi chip. I know that this chips are not replaceable because they linked with cpu. Is there any way to change or fix it? Also I can’t find information about swapping m1 cpu on this machine's, do you know what chips are must be replaced with cpu from...

Hi, i have a 820-02536-09 board that not powering on. I have already found a shorted to ground cd3217b13 (it was shorted UF400 on PD_UPC0_USBP3_RN rail) After changing this chip from the same donor motherboard it started showing 0.722 diode mode but still no power. Usb-c tester showing 5v and...

Hi, this is my first post here. I have a board that not powering on. This Mac had problems with backlight flex, but after changing it and testing it refused to power on. I don’t think that flex caused this problem, guess it’s shorted somewhere or something Board takes 5v around 0.030A from...