Schematic PDF named N5110, 1.45 MB in size, with no brand, board number or revision stated in the file name. N5110 resembles a laptop model designation, so open the title block inside to confirm the maker and the motherboard number it actually covers. A circuit diagram of this kind helps a technician trace power rails from the adapter input through the charger and regulators, check enable and power-good signals, and identify parts around a short. Match the board number on the PCB to the drawing before relying on component references.
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 @alischematics. 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.