Vintage Radio Service Manual - FADA model P80 4-tube portable (battery operated) Superheterodyne AM radio receiver. Manufactured by Fada Radio and Electric Company, Inc, of Belleville, NJ. Dated 1947. 4 pages. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. This P-80 manual would make a sensational accompaniment to your retro audio equipment.