820-02841 water damage

[bartech]

hello i got water damaged macbook pro, i dont have schematics for that. do you have one ?
i change one cd3217b13 where was water damage, now i have 5.23v 0A on other side wher are two usbc i get 5.20 ano 0.18Av and then go to 5.23v 0.02A
ther was water damage near lcd connection too but no schematics so i dont know what is it.

 

[2informaticos]

Video connector and backlight area are similar with 820-0298 board.

"i change one cd3217b13"
Where did you get it?

 

[bartech]

china aliexpress

 

[2informaticos]

These chips have firmware.
You MUST get one from donor board SAME model; same position on the board also.

 

[bartech]

the chip is back in the place .
on ubc where are two of them and no water damage i have- 5.23v 0,16A -> 5,23v 0.01A -> 5.21V 0.18A -> 5,20 0.18 A stable
other side wher was water damage stable 5.23V 0A

 

[2informaticos]

You should check more on the side affected by liquid.
Compare diode mode readings around CD3217 chip with other ports.
Do you get its LDOs there?

BTW, try to use schematic notations...