Archive for the Lenovo E47 laptop, naming Quanta board project KL9A. Quanta, the ODM, uses short project codes like this, and the full PCB part number usually begins with DA and includes the code. The 1.95 MB RAR most likely contains the schematic, so check after extracting. With matching documentation a technician can trace the voltage rails, check the power-up sequence and isolate shorts or failed regulators. Confirm the code printed on the board before relying on these drawings.
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 @alischematics. 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.