Schematic for the ASUS F82 laptop, provided as a PDF inside a 1.30 MB RAR archive. The name gives no board revision, so check the revision listed on the first page against the PCB markings. Circuit diagrams like these show power sequencing, charger and battery circuits, CPU and chipset rails, and connector pinouts. Technicians use them to work out which voltage is missing and which component generates it. Open the PDF in any reader and search by net name to follow signals across pages.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.