Hi guys,

This one has no V20B+ (not shorted)

ACDET is 2.7V and BQ24780S_VDD is 6V
ACDRV = LOW

PQ201, PQ202 and PU201 replaced (although no S-D-G shorts) and also checked PR224/5, PR206/7 => OK

If I apply 20V at PR201 then I have 3VL, 3/5ALW...

Why ACDRV=LOW thus PQ201/2 not opening??

please help I am stuck.

thank you.

Try to replace BQ24780S, it often dies with the same symptoms

thank you chazy! as you see in my first post it has been replaced already (PU201) but nothing changed.. I really can think what else is wrong..

Там не только 5 и 3 вольта есть на плате, вот и ищи кторое умерло.

контакт 24 regn правильное напряжение?

pin 24 has 6V... I cant measure any other shorts on this motherboad.. also same thing happened to IdeaPad S330 - no 19V (Again BQ780s).. found short cap and removed it - then instead of 19V I get 2-3V

What's VCC 28pin?? ACN,ACP??