820-00239 - No image, turns on and hear sound - small liquid damage

[nelo1012]

820-00239

had small liquid damage at U8501, so i replaced U8501, U8510, U8500, did not work so i also replaced U8400,

i tried a new display, and still nothing,

it this helps any, the SMC had some damage coming from around PIN 161 (PM_SLP_S3_L)

PM_SLP_S3_L is present by the way 3.3V

 

[2informaticos]

So board woeks, only missing LCD image?
Did you check external video?
Any USB activity?

Probably damaged LCD output from CPU, after liquid spill near J8500...

 

[nelo1012]

Logic board does work, image on external image works fine, USB works,

doesn't look like had liquid damage at J8500