A schematic diagram (board LA-9104P). Shared as “compal_la-9104p_r1.0_schematics (2).pdf” — a .pdf file, 4.05 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.