Here is the description how to modify the Delco Bose radio model 16041551 to 0.05 MHz steps on the FM band. This is useful in countries other than the USA, where radio stations aren’t on odd-tenth megahertz intervals.
remove the upper cover (3 screws)
remove the 5 screws holding the first PC board.
gently lift the PC board. Continue reading “Tuning increments for Delco Radio’s”