Photofact CB Radio Series service manual pages for the 1976 Sonar model FS-3023. It has 20 pages and is dated 8/1976. Pages are loose. Electronics service manual exchange : schematics,datasheets,diagrams,repairs,schema,service manuals,eeprom bins,pcb as well as service mode entry, Sams lists the FS-3023 in volume CB-95 of the CB manual series. Dave. Dave Doughty: Silent Key: Posts: 19020: Joined: Jan Thu 01, 1970 1:00 am: Location:Vintage Advertising. Owner's Manual Owner's Manual Front Cover Sheet · Owner's Manual. Diagrams Schematic Diagram Main · Schematic Diagram Main SONAR FS-3023 CD OWNER'S MANUAL + Schematic CB Radio KJ4IYE CD ONLY - $11.95. FOR SALE! Sonar FS-3023 CD Owner's Manual CD Owner's Manual + HR Schematics,