For component-level troubleshooting and repair, block diagrams and schematics are invaluable. A service manual for related Ellman models states: "The system block diagram and basic circuit schematic are provided here for general review of the basic circuits that make up the Surgitron". A comprehensive service manual for the Surgitron 4.0 Dual RF would include similar documentation, along with a parts list and component specifications.
Exact test results from the electrical safety analyzer and ESU analyzer. Part numbers of any components replaced during repair. ellman surgitron 4.0 dual rf service manual