Circuit diagram for the Sony VAIO VPCEG36EG laptop, board MBX-250, using Sony's own MBX board numbering. The name also carries an unlocked tag, which suggests a copy without the usual PDF restrictions, so pages can be printed or searched freely. Use it to follow power rails, locate MOSFETs, connectors and test points, and diagnose no-power or short faults on the mainboard. Check that the MBX code printed on your board matches MBX-250, since nearby MBX numbers belong to different designs.
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