Schematic PDF titled only DK1, about 1.37 MB, with no brand, model, board number or revision in the name. The DK1 label may be a project code, but the device it belongs to cannot be confirmed from the name. Open it in a PDF viewer and read the title block to identify the board before use. Once matched, a schematic like this helps trace power rails, follow signal lines between ICs and locate the components to check when hunting a short or missing voltage.
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 @ITHINKHS. 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)