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President JFK this radio uses a uPD2816 PLL and is 120 channel modes AM/FM frequency coverage is 26.515 to 26.955 Low 26.965 to 27.405 Mid and 27.415 to 27.855.

ALIGNMENT PROCEDURES (Courtesy of Rick Jackson)
     PLL Alignment
     Transmitter Alignment
     Receiver Alignment
     Alignment Points

Diagrams (Courtesy of Rick Jackson)
     Main Schematic
     FM Modula Schematic