[SOLVED]820-2879-b powering up from battery but no power from charger

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speedyaction

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Hi i have here water damaged 820-2879-b want power up from charger but powering up from battery. water went on Q7030 and Q7035 so i replace it also i replaced u7000 us well this same time.
R7021 : ok
R7022 : ok
R7010 : ok
R7011 : ok
R5281 : 3.4v
R5280 : 3.4v
U7000 pin 14 CHGR_ACOK :3.26v
L7030 0.43v
any help?
 

speedyaction

New member
voltage on pin 2 U7000 16.3v ,
resistance U7000 pin 17/18 : 3.3ohm
resistance U7000 pin 27/28 : 35.68ohm
i also removed F7040 and PPBUSG3H is 0.50 v
 
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speedyaction

New member
yes resistor are ok so i dont understand why resistance is so high and not sure how to deal with it, never had that kind of problem yet.
 
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