Wistron-designed schematic for the Acer Aspire E1-422 and E1-522 notebooks, provided as a 1.73 MB PDF. No board number or revision is given in the name, so confirm the Wistron project code and revision on your motherboard match the document title block. Wistron usually prints a project name and a five-digit board number on its PCBs. Use the drawing to trace power rails, locate components and test points, and work through no-power, no-charge or no-display faults. It opens in any PDF reader.
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 standard format for schematics, block diagrams, power-sequence charts and service manuals.