Source: http://vectorbd.vectorbd.com/bfd/mods/ic970.

IC970

ICOM IC-970
EXPANDED RF

REMOVE TOP AND BOTTOM COVERS.
LOCATE LOGIC BOARD, ITS AT FROUNT PART OF RADIO.
LOCATE AND CUT RESISTORS R187, R190, R219.
LOCATE RESISTOR POSITION LABELED R188 AND SOLDER IN 10K RESISTOR.
REASSEMBLE RADIO.
RESET MICROPROCESSOR  PUSH AND HOLD MW AND TURN ON.