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A1706 / EMC 3071—Released in November 2016, this 13" Macbook Pro introduces the OLED Touch Bar. Features a dual-core "Skylake" Intel Core i5 CPU and four Thunderbolt 3 ports.

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tips on fixing a corrosion hole on the motherboard

Hi all.

I have this macbook that wont power up after water spill. After disassembling, i found corrossion on the under side of the board, but the problem is one capacitor is so badly corroded that a pad is totally burnt out, leaving a hole on the PCB.

The cap sits on a shorted line PPVIN_G3H_PP3V3G3H. i have searched for any other shorted components on the line and found none. Now i am starting to think the burnt pad now turned hole is shorted to the ground layer on the motherboard.

I read online that drilling through the motherboard at that point will separate bridged layers, but i need to be sure before doing anything else.

Thanks.

Answer this question I have this problem too

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https://www.youtube.com/watch?v=3WrQ7xTs...

Louis Rossman removes a board short with a drill. Does this really work?

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@softmojo not for your board if you already have a hole in it. In your case you have most likely already ruined the traces. All the drill does, it removes the mask of the board and opens up the traces. You can accomplish the same by scraping the pad area with a sharp knife/scalpel.

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Hi everyone.

As it would be difficult to get a replacement logic board and there are no official apple stores in Nigeria, i decided to take my chances and try the drill. The logic board seemed dead anyway.

The drill procedure went almost smooth, I broke the drill bit in the process and ended up knocking off a cap and one 0ohm resistor, TPS51980 was also cracked in the process. I had to replace the damaged caps and resistor, Also i had to run a jumper through the drilled hole.

Now the laptop powers up and boots to OSX but the charger has to be plugged in as It seems power is not being drawn from the battery. I think this is as a result of the cracked TPS51980 chip. I would try to replace from a donor board as soon as i can get one.

I would keep this thread updated.

Thanks everyone.

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Can you sew on a button in the dark? This is likely even harder with this logic board.

These logic boards are multi-layered I’m guessing five or seven layers. Drilling is very risky endeavor unless you have the board traces mapped out. So you can see what each layer sits. Apple controls their board info quite tightly so that will be very hard to get. If you mess up you run the risk of damaging other elements of the system.

I really think the cheaper and less risky direction is just getting a new logic board.

Take your pick 2016 MacBook Pro 13” logic boards

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