Each work must be paid nothing is for free maybe only the air that we breathe, therefore do not expect my work or of someone else to be for free, respect and appreciate other peoples work because that is in proper order.
Late 2011 17" Macbook Pro. Plugged in USB that was sending power.
What model number on the back? Must start with A
What number on logic board? Must start with 820-
I will try find schematic and give a hand, also will add soon the schematics i have i think it will be useful.
Do not wait that i feed you with the tea spoon, the site is full of info have patience searching and reading because this is the great way to learn from others.