PDF schematic of roughly 943 KB labelled TAS6514AL, a name that matches the Texas Instruments TAS series of automotive class-D audio amplifier ICs; no product, board number or revision is stated. Expect circuit material around the amplifier itself, such as power supply pins, output stages and control interface. It helps when checking a shorted output, missing supply rail or a fault line holding the amplifier in protection. Open it in any PDF viewer and verify the exact chip suffix on the part before comparing values.
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.