Asus X512FF

[Luís Amaral]

Hello guys, i am working on a X512FF motherboard that comes dead, 19V stops on first mosfet, Gate only have 3v... if a make a bypass laptops works great with no problem... already tested the 5 mosfets, if i remove the current sensor PRS8901, the 19v appear...
Something with the 19V line and the charger detects and stop working !


Any advices ?

[Luís Amaral]

No one ? any tip ?

[mon2]

Link a schematic if available but only using the dedicated schematic forum.

With no power to the board, meter in resistance mode, measure the resistance to ground on each side of PRS8901.

Post the measurements.

[Bonzas]

what charging ic that used on the board ?

[Luís Amaral]

i solved the problem, it was one of the battery mosfets