Schematic for Sony motherboard MBX-195, internal code M790, revision 1.0, built around the Intel PM45 chipset, supplied as an 833 KB PDF. Make sure the MBX number and revision printed on your board agree before following component designators. Technicians use the diagrams to trace adapter and battery power through the charger, confirm CPU, chipset and memory rail voltages, check power-good signals in the startup sequence and isolate parts on a shorted line. It opens in any standard PDF reader.
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 @Satale_bios_esquemas_Laptop. 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 | |
|---|---|---|
| @Satale_bios_esquemas_Laptop | 12 Oct 2022 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 5 May 2025 | Open file on RM Schematics |
| @cyberlanelectonik | 1 Oct 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.