Hardware switch v2 water damaged repair

[vastrolorde]

working on a v2 water damaged unit, after cleaning the board. and installed new M9 IC, assembled and tested it with a good charged battery, but unfortunately im still not getting any reading on M92T36, no 3v on pin 5/6, no 1.8v, getting around 3.9v on caps around BQ IC near the battery.

any ideas where should i be lookin at? just a newbie on this kind of switch repairs.

thanks in advance.

 

[Ttm3]

Are you getting voltage to the m92? Is the fuse okay? Any shorts?

 

[vastrolorde]

Are you getting voltage to the m92? Is the fuse okay? Any shorts?

I'm getting continuity on the fuse, so i assume its good, not getting 3v on m92. no shorts around m92, BQ, P13 cleaned the board thoroughly just right after it was accidentally dropped. what component should i check? responsible for sending voltage to M92 chip?

 

[Ttm3]

What kind of voltage are you getting through the fuse with the charger on?

 

[vastrolorde]

What kind of voltage are you getting through the fuse with the charger on?

not reading any voltage on each side of the fuse, when plugged in.. wondering if this is caused by the max ic underneath battery connector? read somewhere here bout that, poviding the power to the rail, but i dont know how test it if its defective.

 

[Ttm3]

not reading any voltage on each side of the fuse, when plugged in.. wondering if this is caused by the max ic underneath battery connector? read somewhere here bout that, poviding the power to the rail, but i dont know how test it if its defective.

do you have a different charger you can try? I always test with a nintendo charger & with a reliable slow charger. I've noticed sometime they will react differently

 

[vastrolorde]

do you have a different charger you can try? I always test with a nintendo charger & with a reliable slow charger. I've noticed sometime they will react differently

already tried using official switch charger and tru power bank... already a tested charged battery, still not powering on.