Archive named 3CESLRH10 with no brand, model or document type stated. The code looks like a board identifier, possibly the same family as 3CESL-RH-01 with RH10 as a revision, but the name does not confirm it. At about 2 MB it may contain a firmware image or service documents, so extract it and check the contents. Before use, match the code exactly against the label or silkscreen on the board. If it is firmware, back up the original chip before writing.
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 @schematicslaptop. 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)