Radio Corporation of America (RCA). Field Service Guide, Volume 2: RCA Color TV Receivers. Features: Field Service Adjustments (CTC-20 through CTC-35), Top and Rear Chassis Views, Schematic Diagrams, Parts Lists, Voltage Waveforms Keyed to Test Points, Separate Section on Tuner Schematics, Field Service Tips, and a Comprehensive Index of Model Number, Model Name, and Chassis Number.