​820-2914 - Won't turn on

menatwork

New member
Guys, i have another board to fix.
That's the information i have.

1) Green Light
2) No Light on the Mouse
3) 85W Original
4) PPBUS_G3H - Present
5) PP3V42_G3H - Present
6) PPVRTC_G3H - Present
7) PP5V_S5 - Not Present

When i plug the battery with charger, the fan starts spinning for two or three second and stops.
 

dukefawks

Administrator
You said the fan was spinning, for that to happen 5V_S0 must at least be there for the duration that the fan is on. Again your measurements don't make sense. U5750/55 getting hot is not a good sign, they are powered off 3V42 so they must always be hot then. If they really get hot and it is not a cap near them you can remove U5750/55, they are not needed for the board to power on for now.
 
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