ASUS A3H notebook schematic, 1.07 MB in PDF format; the SC suffix in the name likely just marks it as a schematic. No board revision is given, so check the title block inside. Repair technicians use such drawings to trace power rails from the DC jack onward, find test points and identify components around a short or failed circuit. Any PDF viewer opens it, and matching the revision with the one printed on the PCB avoids misreading component values.
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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)