Usually everything is Intel reference design_except_for_apple_own_stuff which you're handling here. Schematics aren't available except for a few older machines, even within the company. Please give attention to ESD - might do more damages only by touch. Your best bet would be a smc-reset first, if that doesn't help try to replace the magsafe connector (under the board). Everything is SMD/SMT on the boards, this translates to: too small to repair or measure by hand, except you're hardcore into microelectronics and have the equipment.įor this exact reason parts like MLB (main logic board) get replaced in Apple Stores instead of 'repaired', as a skilled worker with equipment would be more expensive than replacing modules altogether.
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