Kenwood KDC-W427: Troubleshooting Guide

Troubleshooting Guide

What might seem to be a malfunction in your unit

? The sound quality is poor or distorted.

may just be the result of slight misoperation or

✔ One of the speaker wires is being pinched by a

screw in the car.

miswiring. Before calling service, first check the

☞ Check the speaker wiring.

following table for possible problems.

✔ The speakers are not wired correctly.

☞ Reconnect the speaker wires so that each

General

output terminal is connected to a different

speaker.

? The power does not turn ON.

✔ The fuse has blown.

? The Touch Sensor Tone doesn’t sound.

☞ After checking for short circuits in the wires,

✔ The preout jack is being used.

replace the fuse with one with the same

☞ The Touch Sensor Tone can’t be output from

rating.

the preout jack.

? There’s a source you can’t switch.

Tuner source

✔ There’s no media inserted.

☞ Set the media you want to listen to. If there’s

? Radio reception is poor.

no media in this unit, you can’t switch to each

✔ The car antenna is not extended.

source.

☞ Pull the antenna out all the way.

✔ The antenna control wire is not connected.

? The memory is erased when the ignition is

☞ Connect the wire correctly, referring to the

turned OFF.

section on 'Connecting Wires to Terminals'.

✔ The ignition and battery wire are incorrectly

connected.

☞ Connect the wire correctly, referring to the

section on 'Connecting Wires to Terminals'.

? The TEL mute function does not work.

✔ The TEL mute wire is not connected properly.

☞ Connect the wire correctly, referring to the

section on 'Connecting Wires to Terminals'.

? The TEL mute function turns ON even though the

TEL mute wire is not connected.

✔ 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.

✔ 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.

☞ Center the fader and balance settings.

✔ The input/output wires or wiring harness are

connected incorrectly.

☞ Reconnect the input/output wires or the

wiring harness correctly. See the section on

'Connecting Wires to Terminals'.

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B64-2807-00U.S.Inddtcsp26 03.12.11,6:27:36PM