Icom IC-7100 Advanced Instructions - Page 345
Cleaning, Replacing the fuses, Circuitry fuse replacement, DC power cable fuse replacement
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Previous view 19 MAINTENANCE Cleaning If the transceiver becomes dusty or dirty, wipe it clean with a dry, soft cloth. DO NOT use harsh solvents such as benzine or alcohol when cleaning, as they will damage the transceiver surfaces. Replacing the fuses If a fuse blows, and the transceiver stops functioning, find the source of the problem, and repair it. Then replace the damaged fuse with a new, adequately rated fuse. R WARNING! Turn OFF the power and disconnect the DC power cable from the transceiver before performing any work on the transceiver. Otherwise, there is danger of electric shock, equipment damage and/or fire injury. DDCircuitry fuse replacement qqRemove the 9 screws, then remove the top cover. wwReplace the circuitry fuse as shown to the right. CAUTION: USE needle-nose pliers when removing the fuse, and pull it straight. If the fuse is forcibly pulled, your fingers may be injured or the fuse holder may be damaged. eeReplace the top cover and screws to their original positions. Fuses are installed in the DC power cable and in the internal PA unit. • DC power cable fuses ATC 30 A • PA unit fuse ATC 5 A R WARNING! USE only the applicable fuse. If an inapplicable fuse is used, a fire may be caused or damage the transceiver. ATC 5 A fuse DDDC power cable fuse replacement qqRefer the figure described to the right, then open the fuse holder of the DC power cable. wwReplace the damaged fuse with a new rated one. eeClose the fuse holder. 19-2 ATC 30 A fuse