component missing on logic board

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Hi everyone, I bought this mac and it does not stay connected on the battery, only with the charger, I removed the cover and verified that it has a missing component, could you help me to identify this component

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There are 21 A1398 machines. Please narrow it down.


board number 820-3662-a


Apple MacBook Pro "Core i7" 2.0 15" Late 2013 (IG) Specs

Identifiers: Retina Late 2013 15" - ME293LL/A - MacBookPro11,2 - A1398 - 2674


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This is Q7155, which is a P channel MOSFET with reference SI7137DP. Google this code and you will find places to buy this from.

Missing this would explain why it isn't running off power, just strange why it has not been replaced by it's previous owner, since they have the required tools.

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I found this teardown

MacBook Pro 15" Retina Display Mid 2012 Teardown

check step 15 and let me know. the part. I think it may be the "R68 210 POC"

But this may now be the same year. What year is your Mac?


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thanks, board number 820-3662-a


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gabrisilva will be eternally grateful.
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