[SOLVED]820-3437 spin up, no chime, no turn on

[G.Beard]

Liquid damaged board.
Corrosion to J6100, U5110 and from C5017 to C5008.

It was dead, with green / orange light.

Replaced parts, no bad traces found, USonic cleaned.

Fan now spins up, CPU gets hot, no chime, no image or backlight, no light on USB mouse.

 

[aprendiz]

Corrosion around U6100, also check corrosion under SMC.....

 

[G.Beard]

Corrosion around U6100, also check corrosion under SMC.....

Thanks man. Slapped another SMC on there, starting up now. Just got to sort out backlight now.

Thanks again.

 

[G.Beard]

Replaced backlight driver IC all working now.
Please mark as solved.