Compal schematic set for the LA-3121P motherboard at revision R1.0, packed in a RAR archive of 978 KB. LA-numbered boards are Compal designs built for various laptop brands, so the name alone does not identify the retail model. Technicians use the diagram to trace power rails, follow the power-on sequence, find the parts that sit on a shorted line and check signal paths. Extract it first; the PDF inside opens in any viewer. Confirm the board number and revision silkscreened on the PCB before relying on values.
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.