Archive with the uninformative label H0222-SE, 401 KB in RAR format, giving no device brand, model or content type. The H0222 code and SE suffix may mark a project or board variant, but the name does not explain them, and related files carry the suffixes SC, 1 and 2. Extract it with WinRAR or 7-Zip, find the board identifier in the documents, and match it to the PCB before using any diagrams or layouts for repair work.
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 @cyberlanelectonik. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
7-ZipWinRARThe Unarchiver (macOS)