Compal LA-B111P schematic, revision 1.0, in a 1.94 MB PDF; brand and laptop model are not given in the name. The LA prefix marks a Compal board number, and Compal builds boards for several notebook brands, so confirm by reading the number on the PCB. These pages are used to trace power rails and power-good signals, check the voltages expected at each regulator, follow embedded controller and chipset lines and locate the source of a short. Make sure the board revision agrees with 1.0, and open the document 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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How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.