RAR package for the Sony VAIO VGN-C22CH, built by Foxconn on motherboard MBX-163. No revision is stated. A companion file marked decrypted exists, which suggests this version may be a protected or encrypted PDF that some viewers cannot open. At 866 KB the archive likely holds the schematic. Use it to trace power rails, the charger and the CPU regulators, and to locate components and test points. Confirm the MBX-163 label on the board before you work from 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 @generalschematics. 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)