Kenwood KRC-579B, KRC-V679R, KRC-679R Troubleshooting Guide, Problem Possible Cause Solution

Page 38

English

Troubleshooting Guide

What might appear 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.

PROBLEM

 

POSSIBLE CAUSE

SOLUTION

 

 

 

 

The power does not turn on.

 

The fuse has blown.

After checking for short circuits in the cables, replace

 

 

 

the fuse with one having the same rating.

 

 

 

 

 

 

No ACC position on vehicle ignition.

Connect the same cable to the ignition as the battery cable.

 

 

 

 

If you have selected Standby

 

The Power Off Timer function has been activated.

If you do not want the power to go OFF automatically,

mode, the power will go OFF

 

 

cancel the Power Off Timer function.

automatically.

 

 

 

Nothing happens when the

 

The computer chip in the unit is not functioning normally.

Press the reset button on the unit (see page 4).

buttons are pressed.

 

 

 

 

 

 

 

Radio reception is poor.

 

The car antenna is not extended.

Pull out the antenna all the way.

 

 

 

 

 

 

The antenna control cable is not connected.

Connect the cable correctly, referring to the section on

 

 

 

"Connecting Cables to Terminals".

 

 

 

 

The memory is erased when

 

The battery cable has not been connected to the proper

Connect the cable correctly, referring to the section on

the ignition is turned off.

 

terminal.

"Connecting Cables to Terminals".

 

 

 

 

 

 

The ignition and battery cable are incorrectly connected.

Connect the cable correctly, referring to the section on

 

 

 

"Connecting Cables to Terminals".

The TEL mute function does

 

The TEL mute cable is not connected properly.

Connect the cable correctly, referring to the section on

not work.

 

 

"Connecting Cables to Terminals".

 

 

 

 

The TEL mute function turns

 

The TEL mute cable is touching a metal part of the car.

Pull the TEL mute cable away from the metal part of

on even though the TEL mute

 

 

the car.

cable is not connected.

 

 

 

 

 

 

 

Free switching of the sound

 

The system Q function is set on Scan mode.

Refer to the “System Q” page and switch it to a

quality.

 

 

function other than Scan mode. (see p. 7).

 

 

 

 

Audio control setting cannot be

 

The system Q function is set on Scan mode.

Refer to the “System Q” page and switch it to a

achieved.

 

 

function other than Scan mode.(see p. 7).

 

 

 

 

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Contents KRC-V679R KRC-679R KRC-579R KRC-579B Contents Safety precautions 2WARNING 2CAUTIONCleaning the Faceplate Terminals Volume General featuresPower Increasing VolumeLoudness Switching ModesAttenuator Turning Loudness On/OffSystem Q Speaker SettingSwitching the Preset Sound Setting Adjust each mode Audio Control SettingSelecting mode Clock displayWhen the telephone rings TEL MuteReattaching the Faceplate Theft Deterrent FaceplateRemoving the Faceplate Hiding the control panelTuner features Switching Display for Tuner Tuner featuresTuning Station Preset MemoryRDS features RDS Radio Data System RDS featuresAlarm Traffic Information FunctionTo scroll manually Presetting Volume for Traffic Information/NewsRadio Text Scroll To scroll automaticallyProgramme Type PTY Function Switching to Other Stations with the Same Type of ProgrammeCancelling Programme Type Function During Its Operation Select the type of programme to be receivedEnter the Changing Language Mode Changing Language for Programme TypePTY FunctionSwitching Tape Types Cassette player featuresUsing Dolby B Noise Reduction Playing Cassette TapesBlank Skip Using Dpss Direct Programme Search SystemCancelling Dpss During Its Operation Skipping to Later Tracks Fast Forward DpssSwitching the Tape display Switching Display for Cassette TapesCancelling Music Repeat Function Music RepeatPausing and Restarting Disc Play Playing Disc modeSwitching Display for Discs Switching Display for DiscsTrack Search External disc control featuresFast Forwarding and Reversing Disc Play Disc SearchStarting the Track Scan Track ScanRandom Play Stopping to Listen to the Track Being ScannedText / Title Scroll Presetting Disc Names DnpsMagazine Random Play Menu settings Code Security Function Menu settingsMenu System Display and setting Manual Time AdjustmentIf you press the Reset button or remove the battery Display and settingSwitching Graphic Display Automatic Time AdjustmentVariable Illumination Colour Setting Selectable IlluminationDimmer Contrast AdjustmentTo finely adjust blue Blue Adjust Mode External Amp ControlSelecting Tuning Mode In Tuner mode News Bulletin Function with PTY News Timeout SettingLocal Seek Function In Tuner mode Auto Memory Entry In Tuner modeRestricting RDS Region Region Restrict Function Cancelling Auto Memory Entry During Its OperationAF Alternative Frequency Function Auto TP Seek FunctionPower OFF Timer Monaural Reception FM reception of Tuner modeText Scroll In FM or External disc control mode Accessories Installation ProcedureConnecting Cables to Terminals Connector Function Guide Installation Removing the hard rubber frame Locking the faceplate to the unit Troubleshooting Guide Problem Possible Cause SolutionTroubleshooting Guide External disc control mode No Panel Specifications Cassette player section
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