Icom IC-M604A Instruction Manual

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Contents

549 CONNECTIONS AND MAINTENANCE■ UT-112/UT-98* installationRWARNING!: DISCONNECT the DC power cable fromthe transceiver before performing any work on the trans-ceiver. Otherwise, there is danger of electric shock and/orequipment damage.Follow the case opening procedure shown here when youwant to install an optional unit (UT-112 or UT-98*).q Remove the 12 screws and open the transceiver.Torque (0.7 N.m)* The UT-98 is the discontinued model, and the currentmodel is the UT-112.w Turn the transceiver upside down, then disconnect the fl atcables and Rear mic control (6-pin) from LOGIC board,and Front mic control (2-pin) and Volume control (3-pin)from AF board.Flat cableFlat cablesLOGICboardFront mic (2-pin)Volume(3-pin)Rear mic(6-pin)AF board