Circuit schematic for the ASUS F9S notebook, 1.83 MB in PDF format, with no board revision stated in the name. It is used to trace power rails, locate the charger and power controllers and follow signals between chipset, CPU and peripherals while diagnosing dead or unstable boards. Any PDF viewer opens the document. Check the title block for the board revision and compare it with the marking on your PCB, because component values and placements can differ between revisions.
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 @hrtechno. 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.