Schematic for the ASUS K53SV notebook, a 593 KB PDF. The name lists only the model, without mainboard number or revision, so verify the board marking and revision on the PCB first. The small size suggests it may be a partial or compressed set; check that the pages you need are included. Use it to trace rails, find the EC and charger circuits, read connector pinouts and locate components when diagnosing power or display faults. Any standard PDF reader will open the file.
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 @schematicslaptop. 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.