Toshiba Satellite U300 and U305 laptop schematic for the board named BU1 Santa, revision 1A, with 0525 in the name as a date or build code. The diagram covers the power circuits, charger, chipset links and peripheral connections of that board. Technicians use such a PDF to trace rails during no-power repairs, find components and test points, and follow signals to connectors. Toshiba notebooks were built by several ODMs, so confirm that the board marking and revision on the PCB match the title block before relying on part 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 @laptexdna. Enginerys does not host this file.
All sources (6)
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 |
| @one5technology | 25 Nov 2020 | Open file on RM Schematics |
| @laptexdna | 25 Jul 2022 | Open file on RM Schematics |
| @generalschematics | 15 Sept 2024 | Open file on RM Schematics |
| @generalschematics | 16 Sept 2024 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 5 May 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.