820-3435-b

[thomamagic]

Hello,
please need help for 820-3435 mainboard
i have c7619 burn
i have replace it but laptop no start
i have ppbus_g3h to 0.78V and no short

on u7100 :
pin 1 : 0v
pin 2 : 18.4
pin3 : 4.8v
pin 9 : 0v
pin12 : 3.4v
pin 13 : 3.38v
pin 14: 3.38v
pin 15:0v
pin 17:8.56v
pin 19:8.56v
pin20 : 0.63v

 

[thomamagic]

i have repair,
i have replace F7140 because color is not good below the component
it's working
thanks