PDF service schematic, judging by the name for the Sharp LC-60LE835 series LCD television. The name gives only the model code, so chassis and board revisions have to be confirmed inside the document. A technician uses such a schematic to follow the power supply, main board and backlight driver circuits, trace standby and main rails and check signal paths to the panel. Any PDF viewer opens it, and searching by part designator speeds up locating components. Compare the board markings on the set before relying on the values.
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 @pdf_servicemanual. 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.