PDF circuit diagram, 532 KB, for Shuttle board A14IM01 revision A as used in a Positivo laptop. It looks like a duplicate copy of the same rev A schematic. The document helps locate the DC-in jack circuit, battery charger, CPU and memory power stages, and connector pinouts for display, keyboard and storage. Any PDF reader opens it. The specific laptop model is not named, so rely on the board code printed on the PCB and confirm revision A before replacing parts based on its 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 @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.