Macbook air 13, 820 3437 B, liquid damage ,No turn On


New member
hey guys,

I have a doubt, this boar come to us because a liqued damage close to U7090 and the components R7080, R7081 and C7080 they are not in board.. its normal??

I have a 0.4v in pin8 U7090 . need 3.4v in SHDN to be able P3V42G3H ?