Spanish PDF titled Puntas de prueba, meaning test probes, 101 KB, with no device named. It is likely a short guide to multimeter or oscilloscope probes, probe tips and how to place them on small board pads and test points. Good probing technique avoids slipping and shorting adjacent pins while measuring rails on phones and laptops. Treat it as general bench reference material and open it in any PDF reader to check its exact content.
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 @canalesquematicos. 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)