Here y'all go .. 73, Mark AA6DX ---------------------------------------------------------------------------- --------- ICOM IC-740 ~~~~~~~~~~~~~~~~~ EXPD. RF 1- Remove the power and antenna. 2- Remove the screws and open the radio. 3- Locate RF board. 4- CUT white resistor jumper located between D-31 and "C" wire. 5- Reset the microprocessor. 6- Reassemble the radio.