PDF schematic for the Lenovo 3000 G450, with the Compal-style board number LA-5081P appearing in the file name, 1.50 MB. Compal prints this LA-xxxxP code on the motherboard, so read the silkscreen and revision on your board before using the pages. The document is useful for tracing power rails from the adapter input onward, finding test points, checking component values and identifying the part that pulls a rail down when a laptop shows no power. Searching for net names in a PDF viewer speeds up following a signal.
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_esquemas. Enginerys does not host this file.
All sources (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @abgm_manutencao_esquemas | 5 Aug 2019 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 28 Apr 2025 | Open file on RM Schematics |
| @smschematics | 26 Nov 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.