PDF schematic in a 3.87 MB RAR for the Lenovo LCFC board NM-E691, revision 1.0, shared by projects JY67L and JY67M. LCFC is the Lenovo-owned ODM using NM- board numbers. The circuit diagram is the main reference for following power-on sequencing, the charger, CPU and memory rails and EC signals, and for identifying the values of damaged parts. A matching boardview for the same board exists. Verify revision 1.0 on your PCB before relying on it.
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 @ShareMan_Electronic_Files. 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)