An archive of repair files for Samsung hardware (board 6-71-NP520). Shared as “6-71-np520-d02.zip” — a .zip file, 16.5 MB.
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 @boardsscanrepo. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip