Schematic PDF whose name refers to MB40IAX and MB40IA1, apparently board or model codes, with no brand or revision stated. The file is about 1.83 MB. Because the name gives little else, open it and confirm from the title block which device and board it covers, then compare that with the markings on the PCB you are repairing. A schematic like this is used to follow power rails and signal paths, read component values, and choose measurement points when diagnosing shorts or missing voltages. Any PDF reader opens it.
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 @alischematics. Enginerys does not host this file.
All sources (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @alischematics | 13 Sept 2021 | Open file on RM Schematics |
| @pepeelectronica | 28 Apr 2022 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 6 May 2025 | Open file on RM Schematics |
| @schematics_bios | 3 Aug 2026 | Open file on RM Schematics |
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.