Schematic for Sony motherboard MBX-147, supplied as a 1.25 MB PDF; no laptop model or revision is stated in the name. Sony uses MBX numbers to identify its VAIO boards, with the real design often produced by an ODM. The drawing lets a technician trace power rails, check the circuits around charging and CPU power, and locate parts on a short. Open it in any PDF reader. Confirm the MBX label and revision on the PCB before relying on component values.
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 @cyberlanelectonik. 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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)