Amilo Li 3710 dead mobo

Endruw

Prominent
Mar 26, 2017
5
0
510
0
Hello dear forum members!

I have an amilo li 3710 laptop with dead motherboard. I checked everything , i replaced PU9 charger ic and it's not working ye. The PU 10 is dont get pgood signal ,where is the pgood signal come from? And I hear a high pitch but quiet sound from PU 10 it can be a sign of PU10 or some of the transistors wich has direct connection with PU10 is cause the problem? The schematic fot it : https://elektrotanya.com/fujitsu_siemens_amilo_li3710_li3910_quanta_ef7_rev_1a_sch.pdf/download.html
 

ASK THE COMMUNITY