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Using Road King 56 with DX 73V
  • Symptom:
    • Loss of Talk Back when using Road King 56 microphone
  • Cure:
    • Talk Back can be restored by adding a 470k ohm resistor from junction of C155/R207 to the junction of C187/R235 on the solder side of the board. This will also give you clean talkback on SSB and FM. Try different values of resistance to get the amount of volume you want. The less the resistance the louder the talkback will be.