Samsung S5282 document in PDF, 531 KB, whose name includes Comp, most likely meaning a component placement or layout drawing. No revision is stated. Placement pages like these show where each designator sits on the board, which helps locate capacitors, resistors, connectors and ICs once a fault has been traced on the circuit diagram. Any PDF viewer opens it, and zooming is usually needed for small parts. Check that the board you are working on is the S5282 version shown before removing or replacing components.
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 @tamirat_moobile. 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.