Schematic drawing of the Compal LA-7912P mainboard, revision 0.3, distributed as a 1.54 MB PDF. No laptop brand or model is named. Revision 0.3 is typically an early build, so values may differ from mass-production boards. The LA-xxxxP pattern is Compal's own board numbering, used across several brands. You can open the file in any PDF viewer to search net names, trace power rails, read the power-on sequence and find the parts to test when a rail is shorted. Match the PCB marking before use.
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 @IT_SERVICE_WORLD. Enginerys does not host this file.
All sources (6)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @IT_SERVICE_WORLD | 23 Sept 2019 | Open file on RM Schematics |
| @notebookschematic | 19 Jul 2020 | Open file on RM Schematics |
| @pdf_servicemanual | 13 Nov 2020 | Open file on RM Schematics |
| @Satale_bios_esquemas_Laptop | 12 Oct 2022 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 7 May 2025 | Open file on RM Schematics |
| @schematiclaptopramkushwaha | 13 Sept 2025 | Open file on RM Schematics |
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.