Compal LA-7931P mainboard material at revision 1.0, provided as a 2.26 MB RAR archive. No laptop model or file list is given in the name, so expect schematic documents typical of these packages. Compal LA- boards are used across several notebook brands. The drawings let a technician follow the power-on sequence, measure rails at the correct points and identify failed MOSFETs, regulators or shorted capacitors. Unpack with WinRAR or 7-Zip and check that LA-7931P Rev 1.0 is printed on the board.
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 @abgm_manutencao_bios. Enginerys does not host this file.
All sources (5)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @abgm_manutencao_bios | 10 Jul 2019 | Open file on RM Schematics |
| @abgm_manutencao_esquemas | 14 Jul 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 1 Oct 2019 | Open file on RM Schematics |
| @Satale_bios_esquemas_Laptop | 24 Feb 2021 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 2 May 2021 | 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.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →