Icom IC-V3500 Advanced Manual - Page 87

12. TROUBLESHOOTING Troubleshooting The following sentences are designed to help you correct problems that are not equipment malfunctions. If you are unable to locate the cause of a problem or solve it through the use of this troubleshooting, contact your nearest Icom Dealer or Service Center. The transceiver does not turn ON. zz The DC power cable is not properly connected. →→Properly reconnect the DC power cable. (p. 11-2) zz The polarity of the power connection is reversed. →→Reconnect the DC power cable observing the proper polarity. Replace the fuse, if blown. (pp. 11-2, 11-5) zz A DC power cable fuse is blown. →→Find and repair the cause of the problem, and then replace the damaged fuse with a new one. (p. 11-5) zz The power source voltage is not correct. →→Apply the correct 13.8 V DC. (p. 11-2) No sound comes from the speaker. zz The volume level is too low. →→Rotate [VOL] clockwise to obtain a suitable listening level. See the Basic manual for details. zz The Audio Mute function is activated. →→Push any switch or key to deactivate it. See the Basic manual for details. zz The squelch is tightly closed. →→Rotate [SQL] to adjust the squelch level to the threshold point. See the Basic manual for details. zz A selective call or the Squelch function is activated, such as the Pocket Beep function or the Tone/DTCS squelch. →→Turn OFF those functions. (pp. 7-3, 7-5) Sensitivity is low, and only strong signals are audible. zz The antenna feedline or the antenna connector solder has poor contact or is shorted. →→Check, and if necessary, replace the feedline or resolder the antenna connector. (p. 11-4) zz The S-meter Squelch or Squelch Attenuator function is activated. →→Set [SQL] to between the 10 and 12 o'clock position. See the Basic manual for details. →→Turn OFF the S-meter squelch or Squelch Attenuator function. (p. 8-6) No direct contact is possible with other stations. zz The other station is using the tone/DTCS squelch. →→Set the appropriate Tone frequency or DTCS code, and then turn ON the Tone or DTCS squelch. (pp. 7-2, 7-3) zz The transceiver is set to the plus or minus Duplex mode. →→Repeatedly hold down [LOW DUP] for 1 second to select the Simplex mode. See the Basic manual for details. A repeater cannot be accessed. zz The wrong frequency offset is set. →→Correct the frequency offset. (p. 8-2) zz The wrong Repeater Tone frequency is set. →→Correct the Repeater Tone frequency. (p. 8-2) Frequency cannot be set. zz The Lock function is activated. →→Turn OFF the function. See the Basic manual for details. zz The Priority watch is paused on the watch frequency. →→Cancel the watch. (p. 5-3) Frequency cannot be set using the microphone. zz The Microphone Keypad Lock function is activated. →→Push [FUNC], and then [SQL▼ # 16KEY-L] to turn OFF the function. See the Basic manual for details. zz The Priority watch is paused on the watch frequency. →→Cancel the watch. (p. 5-4) 12-2