PDF schematic covering the K42Jv notebook; the name carries no board revision, so check the revision noted on the schematic pages against the PCB marking before working from it. A sibling file for the same model exists in revision 2.0, which shows multiple board versions were made. Use the diagrams to trace power rails, understand standby and main power sequencing, locate components linked to a short and identify signal paths between chips. Any standard PDF viewer will open it, and text search helps find nets quickly.
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 @alischematics. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.