Description: Original Howard W. Sams & Co. INC. Photofact CB Radio Series service manual pages for the 1978 Clarion models DMA-066 (Mic unit), RCJ-003 (control unit) and JC-202E (CB unit). It has 38 pages and is dated 3/1978. Pages are loose. Includes specifications, alignment instructions, receiver alignment, synthesizer alignment, transmitter alignment, transmitter adjustments, schematic / wiring diagrams, circuit-trace, parts location photos, parts list and descriptions. The model number of your CB radio is located on the unit. Very good condition.