PDF component location drawing identified by the code 88750_1_12M14, with no brand or device named in the title. Placement drawings like this show where each reference designator sits on the PCB, helping you find a capacitor, IC or connector named in a schematic without a boardview. The 1.68 MB file likely covers both board sides. Before relying on it, compare the code and revision with markings on the actual board, because placement changes between revisions and an unrelated drawing will mislead.
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 @esquematicosparatodos. 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.