MacBook Pro A1502 No Power repairs
Автор: Reset Lab
Загружено: 2023-06-08
Просмотров: 4856
Описание:
https://resetlab.co.za
In this video, we have an A1502 (820-4924) 2015 with power issues . In usual method of assessment, we remove the back cover, check for any signs of liquid ingress before we plug a charger to the board , then we check for basic stand-by rails , then we check for a short to ground, and then build up from there, we however took a different approach here , we kind of started from the top of our troubleshooting sequence, we found a short on the PP3V3_S0 line and was traced to the PCH( with a hole on it) we then requested for another board to be repaired in place of this one , since we do not have a cpu stencil among others to complete the procedure.we eventually got a donor board, and our repair was done by U7200 region. The entire process was successful.
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