Toshiba Satellite C640 No Power Need Help

[tiubxray]

Re: Toshiba Satellite C640 No Power Need Help

There is another chip identical to the TPS51123, just below it there lies TPS51461.

[tiubxray]

Re: Toshiba Satellite C640 No Power Need Help

If someone got a schematic for this board please attach it here.
so dam hard to find

Does this do any help?...

[tiubxray]

Re: Toshiba Satellite C640 No Power Need Help

dj_ricoh?...any clues please?...

http://kythuatvitinh.vn/forum/laptop...lite-c640-c650

[dj_ricoh]

Re: Toshiba Satellite C640 No Power Need Help

ok!
back!
find u6000
post the values without battery and with battery on.

[atsio]

Re: Toshiba Satellite C640 No Power Need Help

Check resistance to ground on L6200, L6201 (with out power).

[tiubxray]

Re: Toshiba Satellite C640 No Power Need Help

ok!
back!
find u6000
post the values without battery and with battery on.

Got to buy magnifying glass. My eyes hurts squinting too much.

Anyway, still searching....

[tiubxray]

Re: Toshiba Satellite C640 No Power Need Help

Check resistance to ground on L6200, L6201 (with out power).

Ok. The black probe I put on the screw part on the mobo assuming it is the ground and the red probe I put it on the 3r3 135 b3p terminal (both of them one at a time)

Refer the attachment.

P.S. The below resistor labeled L6200 with black font was actually L6201.