1 Disconnect the power and antenna.
2. Remove the 16 screws top and bottom covers from the radio. Be careful not to break the speaker wires.
3. Remove the top and bottom screws from each side of the front panel assembly.
4. Pull the front panel forward to expose the Digital board.
5. Locate and cut the lead from diode D11.
6. Reassemble the radio.
7. Reset the microprocessor bu holding the [A=B] Key while turning the power on.