Laptop schematic for the Sony VAIO VGN-NR series built on the MBX-182 motherboard, 1.08 MB in PDF format. It matches the size of another MBX-182 schematic and is probably the same document under a different name. The pages help trace supply rails, check charger and regulator circuits, and locate the components on a line that reads shorted. The name gives no revision, so check the title block and the markings on the PCB first. Any standard PDF reader opens the file.
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 @schematicslaptop. Enginerys does not host this file.
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The same file was posted more than once. If one link is dead, try the next.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.