Description: Original Howard W. Sams & Co. INC. Photofact CB Radio Series service data pages for the 1963 Eico models 771W and 772W. It has 8 pages and is dated 9/1963. Pages are loose. Includes alignment instructions for receiver and transmitter, schematic / wiring diagram, circuit-trace, parts location photos, parts list and descriptions. The model number of your CB radio is located on the unit. Good used condition.