Small schematic covering the touchpad board for the Sony MS70 project, associated with the MBX-160 mainboard, at revision 0.20. Rather than the full motherboard, the 122 KB PDF shows the touchpad module circuit, useful for checking the connector pinout, supply voltage and data lines when a pointing device stops working. Make sure the MBX number and revision match your unit, since an early 0.20 drawing may differ from production hardware. Any PDF viewer opens it.
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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