For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
I'm pretty much stuck here. I've got another 820-3209 working. Maybe just go crazy and go through the whole board with measures? Or is there something that should turn on to tell it to give some sign of life?