Schematic for the Quanta EL3 project, a 931 KB PDF. The name gives no revision or chipset details, so open the title block on the first pages to confirm which board version it describes. Repair work with a document like this usually means tracing power rails from the adapter input, checking standby and main voltages, following the power-on sequence and finding components linked to a shorted line. Compare the project code and revision printed on the motherboard before relying on part values or test points.
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.