Toshiba L735 Battery problem, 2 led blinking orange

[cyngo]

Hi guys
I have a problem with my laptop Toshiba L735. Battery status on windows charging but its capacity is not up & down. 2 led blingking orange.
I have replaced IC charging, EC, PCH and flash bios but the problem is still the same. Does anyone have experience or can solve the problem? please share

this is original bios

Thanks you

[MJ-meo-dmt]

Re: Toshiba L735 Battery problem, 2 led blinking orange

Do you have schematic for this board? otherwise give the code on the MB. There should be a nice identification number somewhere on the board with a rev nr and date....

Also check the HI/LO mosfets, the coil... uhm You have tried another battery? What voltages do you get on the Phase line.
Do you have a scope? can you see that the charge/phase circuit actually does something? Like view the gates for the HI/LO mosfets and check just before the coil, you should see pulses.

The other day I also had something similar to this but not on the same machine. I think it was a dell anyways everything showed fine but it also didnt actually increase the capacity of the battery... It came down to being a faulty resistor on the sense lines/traces.. check that you get continuity from the big sense resistor to the charging chip inputs for CSOP/CSIN (Some call it different names. but its usually the same with the prefix of CSxx)

EDIT: Okay so I found a L730 Schematic for the Toshiba, just to show you have a meant see the Yellow Markings. In the attached Image

2nd EDIT: Here see THIS POST for schematics.

[cyngo]

Re: Toshiba L735 Battery problem, 2 led blinking orange

problem has been solved by replacing the new PCH and replacing ic tokin with 3 elco 470uF. Thank you for the help.