Boardview for a sub-board identified only as NS-C226, stored as a 229 KB .tvw file. The NS prefix fits the LCFC numbering seen on Lenovo auxiliary boards such as I/O, USB, audio or power-button boards, but no model is given in the name, so identify the device from the PCB label. Tebo-ICT TVW viewers display the layout with nets and pin connections, useful for tracing a dead port, measuring a connector pin or finding a shorted capacitor. Match the printed board number before using it as a reference.
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 @pepeelectronica. Enginerys does not host this file.
How to open a .tvw file
Binary boardview from Tebo-ICT test software, frequent for Gigabyte, MSI and many newer laptop boards.