[SOLVED]820-3476 no keyboard/trackpad

[Repairable]

Hi.

got in after pre repair atemped
water damage.
cleaned and no real signs

i get 2,426 volt on PP3V3_S4 instead of 3.330 volt

is this a cause of a not working keyboard trackpad?

tested with known good parts.

 

[dukefawks]

R4808 or bad trace?

 

[Repairable]

u8000 was the bad one, replaced it and now trackpad an keyboard works.
it got 3.3v in but out was 2.3v

mark as solved please
and thank you