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모델 A1502 / 2.4, 2.6 또는 2.8 GHz 듀얼-코어 Intel 프로세서 / 2013년 10월 출시

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a1502 dead logic board

Hello Guys

Macbook Pro Retina A1502

COMPLETELY DEAD

No water damage, it simply didn't turn on again.

MagSafe is working normally.

However I think I should go over the power rails to fix this BOARD, right?

Is there anyone that can me give the next steps here?

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Find power aliass on your schematic, start testing power rails, I would start with pp3v3_g3h. You will want to use process of elimination, by that I mean find what power rails you have and what are missing, then work your way backwards to find the source of the issue. Remember when testing rails don't go from A to Z, start with point A then test point Z , then point B then point y and so on till you find the issue.

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@triomacrepair

Still looking for your answer about REMOTE logic board repair tutoring.

Anyways.

I will go A to Z, cause at NOW my mind cannot understand why go to Z if B, C or D can give me the wrong voltage for example.

I mean, by logic, if B is an ISSUE the rest of the BOARD will be giving me wrong values. I guess so!

Forza if possible reach me by WhatsApp +55 53 9 9705 9883

Thanks!

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