Kenwood KDC-7024, KDC-M7024 Troubleshooting Guide, ? The power does not turn ON.01

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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.

?There’s a source you can’t switch.07

There’s no media inserted.

Set the media you want to listen to. If there’s no media in this unit, you can't switch to each source.

The Disc changer isn’t connected.08

Connect the Disc changer. If the Disc changer isn’t connected to it's input terminal, You can't switch to an external disc source.

?The memory is erased when the ignition is turned OFF.10

The ignition and battery wire are incorrectly connected.11

Connect the wire correctly, referring to the section on <Connecting Wires to Terminals>.

?There’s no loudness effect.12

You’re using Non-fading preout.

Loudness has no effect in Non-fading preout.

?The Non-fading output can’t be turned ON or OFF.14

The <Switching preout> (page 38) is set is set on Rear preout.

Change it to Non-fading preout.

?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 <Connecting Wires to Terminals>.

?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.

?The Bass center frequency, Bass quality factor, Bass extend, Middle center frequency, Middle quality factor, and Treble center frequency can’t be adjusted.19

The <System Q Setting> (page 38) is set OFF.

Set it ON.

?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 <Connecting Wires to Terminals>.

The values of Volume offset are low.24

Turn up the Volume offset, referring to the section on <Audio control> (page12).

The <Built-in Amp Mute Setting> (page 38) is ON.100

Turn it OFF.

?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.

?Non-fading output, Non-fading Low Pass Filter and Non-fading setting can’t be done.28

The <Switching preout> (page 38) is set on Rear preout.

Set it on Non-fading preout.

The <Non-fading output> (page 16) is OFF.29

Turn it ON.

The <Dual zone system> (page 18) is ON.30

Turn it OFF.

?There’s no Front High Pass Filter and Rear High Pass Filter effect.31

The Non-fading preout is being used.

There’s no effect in Non-fading preout.

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Contents KDC-M7024 KDC-7024 Contents Do Not Load 3-in. CDs in the CD slot Safety precautionsConnected to this unit Lens Fogging Cleaning the Faceplate TerminalsCleaning the Unit Cleaning the CD SlotAbout GSM Hands Free Unit Marking of products using lasers Except for some areasEntering ID3 tag Settings for your MP3 encoder and CD writerAcceptable media Acceptable medium formatsMP3 playing order When a File Search is executed with file ¡$ being playedWhen a Folder Search is executed with file ¡$ being played Real operational example of the Multi-function Key System Setting each functionWhats the Multi-function Key System? Displaying the desired functionAbout CDs Turing OFF the Power General featuresPower Turning on the PowerAttenuator VolumeIncreasing Volume Decreasing Volume3rd section Audio Control1st section 2nd sectionHigh Pass Filter Button Adjustment Item Display Range Non-Fading2nd section Button Adjustment Item Display Range Front/Rear 50/80/120/Through HzDisplay Mode Switching Speaker SettingText Display Switching Auxiliary input source Tuner sourceCD & External disc source MP3 sourceNon-fading Output External Display SwitchingAuxiliary Input Display Setting Panel Position SettingReattaching the Backpanel Exit Panel Position Setting mode Press the RTN buttonTheft Deterrent Panel Removing the BackpanelTEL Mute Hiding the Control PanelDual Zone System In External disc or Auxiliary input source CA-C1AX Station Preset Memory Tuner featuresTuning Call up the station Preset TuningAuto Memory Entry Calling up the stations in the memoryReceiving other traffic information stations RDS featuresTraffic Information Radio Text ScrollPTY Program Type Changing Language for PTY Function Program Type presetPresetting the Program Type Calling up the preset Program TypeCD/MP3/External disc control features Fast Forwarding and Reversing Playing CD & MP3Playing External Disc Repeat play Display Track/File SearchTrack/File/Disc/Folder Repeat Turn ON/OFF the Repeat Play Press the 4 REP buttonFolder Select Function of MP3 Scan PlayMagazine Random Play Function of disc changer Random PlayScrolling the folder name display Canceling the Folder Select modeDisc Naming Dnps Text/Title Scroll Information Name Telephone Number Hang up GSM Hands Free Unit control featuresReceiving a call Press the 1, 3 6 or Next buttonDirect Dial Function of the KCA-RC420 Canceling the Hands Free modeSwitching between the Name and Telephone Number Phone Book SearchSynchronize the data Phone Book/ Message SMS data synchronizeMenu System Security Code Standby modeMenu system Confirm the Security Code Enter Security Code modeDisplay Setting Select the digits to enter Press the 4 or ¢ buttonTouch Sensor Tone Manual Clock AdjustmentAuto Response time Adjust When hands free unit connecting Selectable Illumination Contrast AdjustmentDSI Disabled System Indicator Synchronize ClockSwitching preout Standby mode OFF Wait Time SettingSystem Q Setting Eject angle setting Standby modeS. Frequency Offset Local SeekIn Tuner modeNews Bulletin with Timeout Setting S. Bass Management SystemAF Alternative Frequency Tuning Mode Tuner modeAuto Memory Entry Tuner mode Restricting RDS Region Region Restrict FunctionText Scroll Power OFF TimerExternal view AccessoriesInstallation Procedure Connection Connecting Wires to TerminalsCable Colour Functions Ignition wire Red Battery wire Yellow Connecting Wires to Terminals InstalltionRemoving the hard rubber frame Removing the UnitReattach the Backpanel Locking the Backpanel to the unitRemoving the Unit ? The power does not turn ON.01 Troubleshooting GuideTuner source MP3 source Messages shown below display your systems condition Specifications