820-00165 No 3V3_S5

[bjf]

This board had some minor liquid-damage. Had to replace R7080 to restore 3V42 and MagSafe light. It has no PP3V3_S5. It has 3V42, 3.4V on SMC_PM_G2_EN. 8.59V on PPBUS. Not sure where to go next.

 

[JohnB8812]

PP5v_S5 present?

 

[2informaticos]

Post some voltages for U7501; 23, 13, 22, 19, 12, 21.
Check for short, or low value to ground at pins 22/29 and coils L7520/60.