Schematic in PDF form for a board identified as 7525 T3, 861 KB, with an author tag in the name. No brand or device model is stated, so check which equipment this design belongs to before using it. A schematic like this lets you follow power rails, signal paths and component references across the board and locate test points. Confirm that the board marking and revision on your PCB match exactly, since similar numbered designs can differ in components.
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 @datasheets1. 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)