Compal LA-J191P laptop motherboard schematic, supplied as a PDF packed inside a RAR archive of about 6.9 MB. The name gives no laptop brand, model or board revision, so confirm the LA-J191P code silkscreened on the PCB before working from it. LA-xxxxP is Compal's own board-numbering pattern, and Compal builds boards for several notebook brands. Technicians use the diagram pages to trace power rails, follow enable and power-good signals, check the power-on sequence and find which parts sit on a shorted line. Any PDF reader opens the file once extracted.
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.
All sources (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 16 Nov 2022 | Open file on RM Schematics |
| @schematics_bios | 14 Aug 2026 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.