Kenwood KDC-4027V User Manual - Page 26
Troubleshooting Guide, for possible problems.
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English Troubleshooting Guide What might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. General ? The power does not turn ON.01 ✔ The fuse has blown. ☞ After checking for short circuits in the wires, replace the fuse with one with the same rating. ✔ No ACC position on vehicle ignition.02 ☞ Connect the same wire to the ignition as the battery wire. ? Nothing happens when the buttons are pressed.04 ✔ The computer chip in the unit is not functioning normally. ☞ Press the reset button on the unit (page 4). ? There's a source you can't switch.06 ✔ There's no CD inserted. ☞ Set the media you want to listen to. If there's no media in this unit, you can't swhich to each source. ? The memory is erased when the ignition is turned OFF.10 ✔ The battery wire has not been connected to the proper terminal. ☞ Connect the wire correctly, referring to the section on (page 23). ✔ The ignition and battery wire are incorrectly connected.11 ☞ Connect the wire correctly, referring to the section on (page 23). ? The TEL mute function does not work.15 ✔ The TEL mute wire is not connected properly. ☞ Connect the wire correctly, referring to the section on (page 23). ? The TEL mute function turns ON even though the TEL mute wire is not connected.16 ✔ The TEL mute wire is touching a metal part of the car. ☞ Pull the TEL mute wire away from the metal part of the car. ? Even if Loudness is turned ON, high-pitched tone isn't compensated for. 17 ✔ Tuner source is selected. ☞ High-pitched tone isn't compensated for when in Tuner source. ? No sound can be heard, or the volume is low. ✔ The fader or balance settings are set all the way to one side.21 ☞ Center the fader and balance settings. ✔ The input/output wires or wiring harness are connected incorrectly.22 ☞ Reconnect the input/output wires or the wiring harness correctly. See the section on (page 23). ? The sound quality is poor or distorted.25 ✔ One of the speaker wires is being pinched by a screw in the car. ☞ Check the speaker wiring. ✔ The speakers are not wired correctly.27 ☞ Reconnect the speaker wires so that each output terminal is connected to a different speaker. ? The Touch Sensor Tone doesn't sound.34 ✔ The preout jack is being used. ☞ The Touch Sensor Tone can't be output from the preout jack. ? Even though Synchronize Clock is ON, the clock can't be adjusted.35 ✔ The received RDS station isn't sending time data. ☞ Receive another RDS station. Tuner source ? Radio reception is poor.39 ✔ The car antenna is not extended. ☞ Pull the antenna out all the way. ✔ The antenna control wire is not connected.40 ☞ Connect the wire correctly, referring to the section on (page 23). ? It isn't the set Traffic information sound volume. 43 ✔ The set sound volume is less than the tuner sound volume. ☞ If the tuner sound volume is louder than the set sound volume,the tuner sound volume is used. - 26 -