Schematic for Sony VAIO VPC-S series laptops based on the MBX-216 mainboard, supplied as a 680 KB PDF. The name states no revision or ODM project code, so check the title block inside for those details. Technicians use these diagrams to trace power rails, check the standby and main power sequence, locate test points and track down components around a short. MBX numbers are Sony's own board identifiers, and the code printed on the PCB should read MBX-216 before you rely on the drawings.
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The standard format for schematics, block diagrams, power-sequence charts and service manuals.