toshiba c660 la-6847p nopower bad problem

[doctormasry]

i have toshiba c660 pwwaa la-6847p problem

3.3 volt is present
5 volt is present

when i connect adaptor led is on
there is no 3.3 volt on press power

u19 i/o ene
pin 30 ON/OFFBTN# is 3.3 v
pin 100 EC_RSMRST# is 3.3 v
pin 102 EC_ON is 3.3

[doctormasry]

Re: toshiba c660 la-6847p nopower bad problem

schematic
https://cdn.badcaps-static.com/pdfs/...b04dbd8694.pdf

[Techtiger]

Re: toshiba c660 la-6847p nopower bad problem

Doctormasry may be due to a broken track what is the the voltage on R395 both sides ? 3V take a wire and GND 3V bottom side of the R395 to check any reaction MB

[doctormasry]

Re: toshiba c660 la-6847p nopower bad problem

Doctormasry may be due to a broken track what is the the voltage on R395 both sides ? 3V take a wire and GND 3V bottom side of the R395 to check any reaction MB

problem don't have boardview
cant found R395
no code for R on board

[Techtiger]

Re: toshiba c660 la-6847p nopower bad problem

Usually it’s close to PWRBTWN put the multimeter in continuity mode one side to pin 1 PWRBTWN and other side to closest resistors bottom or top of the MB if not GND the pin 30 U19 with a tweezers be careful not to short other pins

[Sametbey]

Re: toshiba c660 la-6847p nopower bad problem

As a result of liquid contact on the Asus x502 notebook, a line break was detected in the picture. Examine it with a magnifying glass or if you have a microscope.

[doctormasry]

Re: toshiba c660 la-6847p nopower bad problem

thanks for @techtiger and @sametbey
it's work no conect line between PWRBTWN and R395
work ok
many thanks