Compal LA-B015P schematic, revision 1.0, in a 1.84 MB PDF with no host laptop model given in the name. Compal uses LA numbers for its own board designs sold under various brands, so match the code on the PCB rather than the case label. The drawings help locate test points, trace standby and main power rails, and isolate shorted components. Revisions can change part values and placement, so confirm 1.0 is printed on the board. Any PDF viewer with search 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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The standard format for schematics, block diagrams, power-sequence charts and service manuals.