Compal LA-2841 motherboard schematic, revision 1.0, provided as a 1.22 MB PDF. The name carries only the board code and revision, with no brand, chipset or model information. Older Compal boards used LA numbers without the P suffix, and the code printed on the PCB is what you should match. Open it in a PDF reader to trace power rails, find the charger, regulators and embedded controller, measure expected voltages at test points and work through no-power or no-boot faults methodically.
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.