A schematic diagram (board LA-C382P, LA-C381P). Shared as “APW50 LA-C382P LA-C381P PDF.pdf” — a .pdf file, 2.69 MB.
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 @pkbiosbdv. Enginerys does not host this file.
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The standard format for schematics, block diagrams, power-sequence charts and service manuals.