Dell OptiPlex 790 desktop schematic, referencing the Gold Coast platform code name and the MTDT form factor, revision A00, delivered as a 2.52 MB RAR with a PDF inside. MTDT is generally read as the mini tower and desktop board variant, so confirm your chassis type matches. Technicians use these pages to follow standby and main power rails, check VRM circuitry, front panel and power button wiring, and locate the parts responsible for no-power or no-POST faults on the system board.
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 @schematicslaptop. 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 | |
|---|---|---|
| @schematicslaptop | 20 Jun 2022 | Open file on RM Schematics |
| @boardviewsandachematics | 1 Sept 2025 | Open file on RM Schematics |
| @cyberlanelectonik | 15 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 14 Aug 2026 | 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.