Compal LA-4105P schematic, 1.48 MB PDF, with 4085e also in the name, possibly a related model or project code. LA-xxxxP is the Compal board code silkscreened on the PCB, so confirm your board reads LA-4105P and note its revision. Use the diagram to follow the power path from the DC jack through the charger to each regulator, read signal names between the EC and chipset, and locate the components feeding a missing or shorted rail when diagnosing a dead laptop.
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 @laptexdna. Enginerys does not host this file.
All sources (13)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @laptexdna | 17 Jul 2020 | Open file on RM Schematics |
| @abgm_manutencao_esquemas | 21 Jul 2020 | Open file on RM Schematics |
| @one5technology | 25 Nov 2020 | Open file on RM Schematics |
| @one5technology | 26 Nov 2020 | Open file on RM Schematics |
| @jdbiosworld | 3 Mar 2021 | Open file on RM Schematics |
| @laptexdna | 25 Jul 2022 | Open file on RM Schematics |
| @generalbios | 26 Sept 2023 | Open file on RM Schematics |
| @generalschematics | 15 Sept 2024 | Open file on RM Schematics |
| @generalschematics | 15 Sept 2024 | Open file on RM Schematics |
| @generalbios | 15 Dec 2024 | Open file on RM Schematics |
| @generalschematics | 31 Jan 2025 | Open file on RM Schematics |
| @jdschematicsworld | 22 Feb 2025 | Open file on RM Schematics |
| @cidschematicandboardviewofficial | 10 Apr 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.