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 have no idea sorry. Again there could be corrosion under the SMC, CPU, memory no way to tell. Some boards just are not going to be fixed, especially not "over the internet".