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The March 2015 update of Apple's 13" MacBook Pro Retina Display, model A1502, features fifth-generation Intel Core i5 and i7 processors and introduces the Force Touch trackpad.

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Retina MBP DC/Magsafe board to Logic board connector pin-out?

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Troubleshooting a waterspill-damaged, cleaned, Early 2015 13" Retina MBP which runs on battery power only, ignoring DC power. Both logic board and DC-in board had some signs of water damage so I need to localize the problem to one of these first.

Is the pin-out of the encircled connector known? My first step would be to check the voltages there.

Update (07/11/2019)

Thanks, Dan! The logic board receives 16.7V, so the Magsafe board must be OK. Fuse 470 is fine as well.

CoconutBattery is a great tip, I’ll run it as soon as my friend, who has the FV2 key, is back in town.

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Your board may not recognize that is is getting power from the Magsafe. Do not ignore the adapter sense line. the contact marked as one wire sense line is actually the adapter sense line

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Here’s the pinouts:

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I just test the continuity of the lines and if the 1-wire is shorted out with either the + or - lines. Here’s the replacement part MacBook Pro 13" Retina (Late 2013-Early 2015) MagSafe 2 DC-In Board

More often when I see this problem to MOSFET’s or comparator logic is damaged.

How about running CoconutBattery and posting a snapshot of the main window here for us to see. Often times it offers clues on what’s needed.

MacBook Pro 13" Retina (Late 2013-Early 2015) MagSafe 2 DC-In Board Görseli

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MacBook Pro 13" Retina (Late 2013-Early 2015) MagSafe 2 DC-In Board

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