A 41.4 KB PDF named 35sgq045 and filed under schematics, though the name points to a component part code rather than a motherboard. It specifies no laptop, brand or revision, so read it as a part reference sheet. Technicians pull up documents like this to check which leg is which, to confirm the package before desoldering and to choose a replacement with equal or better ratings. It opens in a standard PDF viewer; verify the full marking on the component, as the trailing digits distinguish members of the same family.
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 @cyberlanelectonik. 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.