A schematic diagram for Apple hardware. Shared as “APPLE_MACBOOK_PRO_A1278_K90I_FLYING_CLOUD_EVT3_MLB_RESOLVED_REV.PDF” — a .pdf file, 1.69 MB.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @nityatechnology2020. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)