Schematic-category PDF of 111 KB, named 20ETF08, with no laptop model, board number or revision mentioned. It is a sibling of a 20ETF08S file, so the two probably differ only in package or suffix option. Check the document to tell them apart. It opens in any standard PDF reader. Technicians use such data when testing a part in circuit, confirming orientation or picking a replacement with matching ratings. Match the stamped code on the component, including any trailing letter.
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.