Icom IC-R75 Instruction Manual
Also see for IC-R75: Price listInstruction manualInstruction manualService manual
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Contents
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3711MAINTENANCECIRCUITRY FUSE REPLACEMENTThe 13.8 V DC from the DC power cable is appliedto all units in the IC-R75 through the circuitry fuse.This fuse is installed in the MAIN unit.q Remove the top cover as shown on p. 34w Replace the circuitr y fuse as shown in thediagram at right.e Replace the top cover.FGB 3 A■ Fuse replacementIf a fuse blows or the receiver stops functioning, tryto find the source of the problem, and replace thedamaged fuse with a new, rated fuse.CAUTION: DISCONNECT the DC power cablefrom the receiver when changing a fuse.The IC-R75 has 2 types of fuses installed for receiverprotection.• DC power cable fuses FGB 3 A• Circuitry fuse FGB 3 ADC POWER CABLE FUSE REPLACEMENT3 A fuse■ Clock backup battery replacementThe receiver has a lithium backup battery (CR2032)inside for clock and timer functions. The usual life ofthe backup battery is approximately 2 years.When the backup battery is exhausted, the receiverreceives normally but cannot retain the current time.CR2032e rqw |
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