Howard W. Sams & Co., Inc. The Photofact Servicer, Set 749. Make and Models featured: Television Receivers: Catalina (122-570A/ -572A/ -574A, -576A/ -578A, AM-FM Radio used in Model 122-578A, FM Stereo Adapter used in Model 122-578A), General Electric (Chassis EA), Sylvania (Chassis 585-1/ -2/ -4/ -5), Truetone (2DC1501A, 2DC1501B), Production Change Bulletin: Zenith (Tel Rec. M2004JU/ JU4/ LU4, M2014RU4/ W4/ WU4, M2127W4/ WU4, M2231LU4/ W4/ WU4, T1986CU4/ JU4/ WU/ WU4 (Ch. 14M27)), Other Equipment: Coronado (PH13-3828), Philco (N-730, N-940), RCA Victor (Chassis RC-1215D/ E, RS-203C), Star-Lite (FM-520, FM-540).