Archive for the BDL50 platform built on Compal board LA-D702P, revision 1.0, with a date stamp of 2016-03-04 in the name. At 19.6 MB it probably bundles service documents such as a schematic, boardview or firmware, though the name does not list what is inside. The LA-xxxxP pattern is Compal numbering, used for boards Compal builds for several laptop brands. Extract it and verify that the LA-D702P code and revision on the PCB match before tracing rails, checking power sequencing or flashing anything from the package.
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 @azvoltagemap. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.