Green Light No Post 820-3437

[computercaverva]

MacBook Air board that shows some signs of serious humidity or light liquid damage. Has gone through Ultrasonic cleaning already. It seems to be missing all S3, S4, and S0 rails however the G3H and S5 rails all have correct voltages. Could this be a PM SLP issue

 

[dukefawks]

PPBUS? 3V at L7560? Checked the usual suspects, U1900, U1950, u6100 and termination resistors in data lines, PPVRTC. J6100 corrosion?

 

[aprendiz]

PP5V_S4RS3 pulsing???