Quanta AM9A laptop board schematic, a 1.51 MB PDF with no revision stated in the name. AM9A is a Quanta ODM project code, and the same design can appear in machines sold under different brands, so match the code and revision silkscreened on the motherboard first. A schematic like this is the main reference for tracing rails, reading the power sequencing, finding pull-ups on enable lines and locating the parts on a shorted net. It opens in any common PDF reader, and searching for net names speeds up navigation.
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 @abgm_manutencao_esquemas. 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.