Kenwood KDC-3031A Instruction Manual

Also see for KDC-3031A: Service manual Service manual

Kenwood KDC-3031A Instruction Manual Manual pdf 29 page image

English | 29Troubleshooting GuideWhat might seem to be a malfunction in your unitmay just be the result of slight misoperation ormiswiring. Before calling service, first check thefollowing table for possible problems.General? The power does not turn ON.✔ The fuse has blown.☞ After checking for short circuits in the wires,replace the fuse with one with the samerating.✔ The speaker wire has a short-circuit or touchesthe chassis of the vehicle, and then the protectionfunction is activated.☞ Wire or insulate the speaker cable properlyand press the reset button.? There’s a source you can’t switch.✔ There’s no media inserted.☞ Set the media you want to listen to. If there’sno media in this unit, you can’t switch to eachsource.✔ The Disc changer isn’t connected.☞ Connect the Disc changer. If the Disc changerisn’t connected to it’s input terminal, You can’tswitch to an external disc source.? The memory is erased when the ignition isturned OFF.✔ The ignition and battery wire are incorrectlyconnected.☞ Connect the wire correctly, referring to thesection on .? The TEL mute function does not work.✔ The TEL mute wire is not connected properly.☞ Connect the wire correctly, referring to thesection on .? The TEL mute function turns ON even though theTEL mute wire is not connected.✔ The TEL mute wire is touching a metal part of thecar.☞ Pull the TEL mute wire away from the metalpart of the car.? Even if Loudness is turned ON, high-pitched toneisn’t compensated for.✔ Tuner source is selected.☞ High-pitched tone isn’t compensated for whenin Tuner source.? No sound can be heard, or the volume is low.✔ The fader or balance settings are set all the way toone side.☞ Center the fader and balance settings.✔ The input/output wires or wiring harness areconnected incorrectly.☞ Reconnect the input/output wires or thewiring harness correctly. See the section on.✔ The values of Volume offset are low.☞ Turn up the Volume offset, referring to thesection on

? The sound quality is poor or distorted.✔ One of the speaker wires is being pinched by ascrew in the car.☞ Check the speaker wiring.✔ The speakers are not wired correctly.☞ Reconnect the speaker wires so that eachoutput terminal is connected to a differentspeaker.? The Touch Sensor Tone doesn’t sound.✔ The preout jack is being used.☞ The Touch Sensor Tone can’t be output fromthe preout jack.? Even though Synchronize Clock is ON, the clockcan’t be adjusted.✔ The received RDS station isn’t sending time data.☞ Receive another RDS station.Tuner source? Radio reception is poor.✔ The car antenna is not extended.☞ Pull the antenna out all the way.✔ The antenna control wire is not connected.☞ Connect the wire correctly, referring to thesection on .

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