820-00850-A water damage

[lincev]

hi guys ! I have this board with some liquid damage in the image area. I have purchased and the components seem to be fine but the equipment does not turn on, nor is it detected in DFU. With the right USB ports you don't have either

Any idea where I start? What measures do they need?

thank you so much

 

[2informaticos]

Which voltages do you get on the board?

 

[lincev]

sorry I don't see ur post

some voltages

PPBUS_G3H = 12.54v
PPVIN_G3H_P3V3G3HRTC =12.54v
PPVIN_G3H_P3V3G3H = 12.23v
PP3V3_G3H_RTC = 3.35v
PP5V_G3S = 5.10v


in dfu mode error

4045 / 4042 - Timeout error.

Bad SSD will also cause T2 to power cycle its power supply every 20 seconds. this wont give any 100% related to SSD error but it is fully reliable method to confirm bad SSD.


If you have Lock sign but no power after DFU revive, it is safe to say that both T2 and SSD work fine and problem is on Intel side. inspect S0 rails, no power might be caused by short on something like 5v rail or something what is used for communication pullups. It is always a good idea to check if after T2 boot device goes to S5 /S0 state.


thanks