Hardware Switch not charging

[Eitjuhh]

Hi !

I have a problem with my switch.
It's not charging and have some shorts on the mainboard

I have replaced de BQ24193 , M92T36 and P13USB already

M92T36:
pin 5 have 5.16v
pin 6 (3v3) have 3.28v without the capacitor near to it. With the cap on it its measure 0.00v

On the other side of the M92T36 there is also a cap 4.7uf 10v 0402size that measurements 0.44v.. and I think that's to low for it... or is it a faulty or shorted M92T36?


Does anyone have a diagram or schematic for the mainboard?

I hope someone can help me

 

[Danster75]

Did you not change the USB C port? That could also be faulty and the cause of shorts.

 

[Eitjuhh]

Did you not change the USB C port? That could also be faulty and the cause of shorts.

USB c port is also changed, and did the hekate desync battery. But it's not working.. the switch boots normally.. but I think there is a short somewhere on the mainboard

 

[vastrolorde]

Did you not change the USB C port? That could also be faulty and the cause of shorts.

is there any case or chances that the charging port is causing the short? even if there is no bent pins, by inspecting it under digital microscope? i actually have the same issue with my switch. it doesn't charge and i cap on the other side is getting hot very fast. tried removing the cap, short still there.

 

[Danster75]

is there any case or chances that the charging port is causing the short? even if there is no bent pins, by inspecting it under digital microscope? i actually have the same issue with my switch. it doesn't charge and i cap on the other side is getting hot very fast. tried removing the cap, short still there.

There could be a short or broken connection internally, yes.
I’m not saying it’s likely but for the sake of eliminating all possible causes it’s worth trying.