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My MacBook Pro 13” got wet and it has taken out the Logic PCB. I’m fairly confident it is only the Logic Board and the Magsafe DC Boards that need to be replaced, cost around $500 Australian using a second hand Logic Board of the same spec’s. It was a very good Laptop prior, 32GB of ram, 1TB Hard Driver, 2.9GHz i7 LOGIC BOARD. Purchased 03/2015, althought it is an Older model non Retina it is very good little work house. I replaced it with current MacBook Pro with a SSD 500GB hard drive and to honest I prefer the old unit. My question is “can you dirrect me a Repair Guide” for the job?
I’ve fixed your question with the proper system info. If you click on it (Icon on the right) you’ll be directed to all of the guides for your system. Here’s the IFIXIT guide you’ll need to follow: MacBook Pro 13" Unibody Mid 2012 Logic Board Replacement