Circuit diagram for the Positivo Stilo XCI3650 notebook, referencing board S14BW01 with the U30 tag, as a 355 KB PDF. The name gives no revision letter, so check the silkscreen on the PCB to confirm S14BW01 is the fitted board. Schematics like this are used to trace power rails, find the charger and regulator stages, check the reset and power-good chain, and locate components near a suspected short. Any PDF reader opens the file, and searching by net name helps jump between sheets quickly.
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.