Macbook air A2179 19V but 0.01A

[SAMBA80]

hI everybody,

it's my first post, i have a macbook A2179 won't turn on, it take 19V but 0.01A connected with the charger without battery.
With liquid speel around the charger mosfets but no short to the ground
I check ppbus , pp3V3 hot , PP1V8_SLPS2R all are ok, but when i plug the charger PP1V8_awake is present for a few second and get 0V.

sorry for my english im french

think for your ansewers.

[MobileXT]

Re: Macbook air A2179 19V but 0.01A

hI everybody,

it's my first post, i have a macbook A2179 won't turn on, it take 19V but 0.01A connected with the charger without battery.
With liquid speel around the charger mosfets but no short to the ground
I check ppbus , pp3V3 hot , PP1V8_SLPS2R all are ok, but when i plug the charger PP1V8_awake is present for a few second and get 0V.

sorry for my english im french

think for your ansewers.

Check all the power rail one by one. S5, S4,S3, S2 and S0 etc.

[SAMBA80]

Re: Macbook air A2179 19V but 0.01A

HI MobileXT

I find only S3 resent, i checked all but nothing.

thinks for your help

[MobileXT]

Re: Macbook air A2179 19V but 0.01A

How did you get S3 power rail if you missing S5 power rail? You need S5 power rail to be present in order to go S4 state = S3 if S3 power rail are all present then you should have SO power rail.