A schematic diagram for Acer hardware (board LA-B231P). Shared as “Acer Aspire E5-521 (Compal LA-B231P).pdf” — a .pdf file, 1.60 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 @bartonarquivos. 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)