PDF schematic for Sony VAIO board MBX-194, tagged with project code M780. At about 1 MB it gives the circuit sheets needed for diagnosing no-power, charging and display faults. Use it to follow the main rails, check regulator enable lines and locate what sits on a shorted net. Sony prints MBX numbers on its motherboards, so confirm the marking matches before relying on part numbers. An archived edition linked to the VGN-AW series with the same board number may also exist.
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 .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.