Lenovo archive for project CIZY3 on the Compal board LA-E551P revision 2.0, 71.2 MB in ZIP form. The name does not list the contents, but an archive of this size usually carries schematic, boardview or firmware files for the board. LA-numbers are the Compal ODM scheme, used on many Lenovo IdeaPad models. Open the files and confirm LA-E551P Rev 2.0 on the PCB before relying on them to trace rails or flash a chip.
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 @azvoltagemap. Enginerys does not host this file.
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