1963 Rambler Motorola 3TMR Radio Service Manual

This is Motorola's service manual, publication 68P40056A2, for the Model 3TMR auto radio, American Motors part number 8991142. It is an all-transistor superheterodyne AM receiver for a 12 volt negative ground system, designed for custom installation in the 1963 Rambler. The booklet is copyrighted 1962 by Motorola Inc. of Franklin Park, Illinois.

Inside are the general information and service station warranty procedure, service notes on radio polarity and power supply requirements, and a description of the plated chassis board with steps to remove and reinstall it. It also covers transistor and power transistor replacement, the AK-401 rear speaker wiring diagram, pushbutton setting and removal, and installation views. A step-by-step alignment chart gives IF and RF settings, with 262.5 kc IF and a 540 to 1610 kc tuning range, plus a schematic and the replacement parts list with Motorola part numbers. It is useful to Rambler owners, restorers and radio repair shops.

This 8-page copy is free to read online. Use the page box and thumbnails in the reader to move between the service notes, alignment chart, schematic and parts list.