Icom IC-9100 Instruction Manual - Page 186

17 MAINTENANCE ■ Troubleshooting The following chart is designed to help you correct problems which are not equipment malfunctions. If you are unable to locate the cause of a problem, or solve it through the use of this chart, contact your nearest Icom Dealer or Service Center. D Transceiver power PROBLEM POSSIBLE CAUSE Power does not turn ON • The power cable is improperly connected. when the [POWER] switch is • A fuse is blown. pushed. SOLUTION REF. • Re-connect the DC power cable correctly. p. 27 • Correct the cause, then replace the fuse with p. 180 an equivalent fuse. (Fuses are installed in the DC power cable and in the internal PA unit.) D Transmit and receive PROBLEM POSSIBLE CAUSE SOLUTION REF. No sound from the speaker. • The audio volume level is too low. • The squelch is closed. • The transceiver is in transmit. • R otate the [AF] control clockwise to obtain a p. 45 suitable listening level. • R otate the [RF/SQL] control to 11 o'clock posi- p. 44 tion to open the squelch. • P ush [TRANSMIT] to receive or check the p. 46 SEND line of an external unit, if connected. Sensitivity is too low, and • The antenna is not connected properly. only strong signals are au- • T he antenna for another band is selected. dible. • The antenna is not properly tuned. • The attenuator is turned ON. • Re-connect to the antenna connector. - • S elect an antenna suitable for the operating p. 158 frequency. • H old down [TUNER] for 1 second to manually p. 159 tune the antenna. (HF/50 MHz frequency band only) p. 71 • P ush [P.AMP/ATT] to select "ATT OFF." Received audio is unclear or • The operating mode is not matched. • Select a suitable operating mode. p. 43 distorted. • The Passband Tuning function is turned ON. • Hold down [PBT-CLR] for 1 second to reset p. 75 the function. • N oise Blanker functions when receiving a • P ush [NB] to turn OFF the function. p. 76 strong signal. • Preamplifier is turned ON. • Push [P.AMP/ATT] one or more times to turn p. 71 OFF the function. • T he Noise Reduction function is turned ON • Set the [NR] control for maximum readability. p. 77 and the [NR] control is too far clockwise. [ANT•METER] does not • The Antenna Switch function has not been • Set the Antenna Switch function to "Auto" or p. 163 function turned ON. "Manual" in the Set mode. Transmitting is impossible. • The operating frequency is outside the se- • Set the frequency to be within the selected p. 37 lected ham band. ham band. Output power is too low. • T he [RF POWER] control is set too far coun- • Rotate the [RF POWER] control clockwise. p. 46 terclockwise • T he [MIC GAIN] control is set too far counter- • Set the [MIC GAIN] control to a suitable posi- p. 46 clockwise tion. • The antenna for another band is selected. • Select an antenna suitable for the operating p. 158 frequency. • The antenna is not properly tuned. • Hold down [TUNER] for 1 second to manually p. 159 tune the antenna. No contact can be made with • The RIT or ∂TX function is turned ON. • Push [RIT] or [∂TX] to turn OFF the function. pp. 69, 81 another station. • The Split function and/or Duplex function are • Push [SPLIT] and/or [DUP](F-2) (in the "M1" pp. 65, 82 turned ON. screen) to turn OFF the function. Transmit signal is unclear or • T he [MIC GAIN] control is set too far clock- • Set the [MIC GAIN] control to a suitable posi- p. 46 distorted. wise. tion. Repeater cannot be ac- • The split or duplex function is not turned ON. • Push [SPLIT] and/or [DUP](F-2) (in the "M1" pp. 65, 82 cessed. screen) to turn ON the function. • T he programmed subaudible tone frequency is • Reset the frequency. p. 65 wrong. AM cannot be selected. • The 1200 MHz frequency band is selected. • Select the HF/50/144/430 MHz frequency band. pp. 43, 61 Transmitting is impossible in • T he 144/430/1200 MHz frequency band is se- • Select the HF/50 MHz frequency band. AM. lected. pp. 43, 46 177