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 applied toall units in the IC-R75 through the circuitry fuse. Thisfuse is installed in the MAIN unit.q Remove the top cover as shown on p. 34w Replace the circuitry fuse as shown in the diagramat right.e Replace the top cover.FGB 3 A Fuse replacementIf a fuse blows or the receiver stops functioning, try tofind the source of the problem, and replace the dam-aged 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.CR2032 |
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