PDF schematic of 272 KB titled only 19A97, which reveals no model, brand or board number. Open it in any PDF viewer and read the title block or page headers to work out which board or circuit it describes. Schematics are used to follow power sequencing, check component values and locate the source of a short or a missing voltage. Confirm that the board marking and revision on the actual hardware match the document before you use it for diagnosis.
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 @afsschematicfree. 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)