Acer Aspire 5755 schematic built around the Compal LA-7912P motherboard, saved as a 1.53 MB PDF with no revision stated in the name. The same LA-7912P board appears under other Acer models, since Compal's LA-xxxxP code refers to the board design rather than the retail laptop. Use it to trace the power path from the adapter, inspect enable and power-good signals, and pin down a shorted component. Verify the code and revision silkscreened on your PCB before applying specific component values.
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 same file was posted more than once. If one link is dead, try the next.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.