Schematic for the Compal LA-8681P laptop mainboard, revision 1.0, packed in a rar of about 1 MB. The LA-xxxxP pattern is Compal's board numbering, used across many brands such as Acer, Dell, Lenovo and Toshiba. Technicians use the diagrams to trace power rails, check the power-on sequence, find signal paths and identify components near a short. Extract the archive and open the PDF in a viewer. Make sure the LA-8681P number and revision silkscreened on the PCB match, since rail designs can change between revisions.
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 (13)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 30 Nov 2019 | Open file on RM Schematics |
| @laptexdna | 30 Jun 2020 | Open file on RM Schematics |
| @LaptopsBoardview | 3 Nov 2020 | Open file on RM Schematics |
| @one5technology | 25 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 21 Apr 2022 | Open file on RM Schematics |
| @pepeelectronica | 24 Apr 2022 | Open file on RM Schematics |
| @generalbios | 8 Oct 2023 | Open file on RM Schematics |
| @generalschematics | 15 Sept 2024 | Open file on RM Schematics |
| @generalschematics | 19 Oct 2024 | Open file on RM Schematics |
| @schematics_bios | 24 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 1 Aug 2026 | Open file on RM Schematics |
| @schematics_bios | 13 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.