Factory service manual for the 3TMR AM radio

The Motorola 3TMR is the AM radio used in 1963, 1964 Rambler Classics and Ambassadors.

The cheapskates, it's got only five transistors, one more than the cheapest pocket radio of the era, a 2N176 that drives the loudspeaker. The schematic shows AVC, but I can't hear it! Poor selectivity! Drift! Ahh... I love my 3TMR! (Really.)


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