Panasonic CQ-4300U, CQ-4500U Troubleshooting Tips, Problem Possible Cause Probable Solution

Page 29

Troubleshooting (continued)

Troubleshooting Tips

PROBLEM

POSSIBLE CAUSE

PROBABLE SOLUTION

Unit does not turn on.

Dead vehicle battery

Charge vehicle battery.

 

Ignition or ACC is not on.

Turn ignition to On or ACC.

 

Bad power line connection

Check connections.

 

Fuse is blown.

Replace fuse.(consult your dealer)

 

 

 

Radio has static.

Antenna not hooked up

Hook up antenna.

 

Close to high power lines

Move away from high power lines.

 

 

 

Radio memory buttons do not

Not holding buttons down long

Press and hold buttons for more

work.

enough

than 2 seconds.

 

 

 

Tape sound quality is poor.

Heads are dirty.

Clean heads. (Ask a service

 

 

representative for advice.)

 

Poor quality tape.

Use better quality tape.

 

 

 

Inver ted Sound (Left/Right

The speaker cords are inverted.

Check the speaker cords.

Connections.)

 

 

 

 

 

No sound from front or rear

The fader control is set on the

Adjust the fader control of the

speakers

wrong position.

unit correctly.

 

 

 

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Image 29 Contents
CQ-4500U/CQ-4300U Use This Equipment Safely Contents Power and Sound Controls Fader Canceling AUX Input modeTone Enhancement Loudness MuteRadio Basics Manual Station Preset Station PresetAuto Station Preset Tuning in a Preset StationWeather Band Stations Tuning in a Weather Band StationPlaying a Cassette Cassette Tape Player BasicsRewind and Fast Forward Changing SidesDolby Noise Reduction Metal Tape ModeTape Eject TPS Operation Tape Program Search Blank Skip Repeat PlayTo Start the CD Changer CD Changer BasicsSelecting a Disc Selecting a TrackRepeat a Track Error Display MessagesRandom Selection Scanning TrackSelecting the Clock Display Resetting the TimeInitial Time Resetting the Alarm Time Alarm Time SettingAlarm Operation Alarm output Volume SelectionTemperature Reading Only for CQ-4500U Case of Malfunction Reset SwitchOverview Installation GuideInstallation Hardware Identify All Leads Dashboard SpecificationsRequired Tools Ground Connect All LeadsAntenna Final Checks Final InstallationSecurre the rear of the unit Installation ProceduresSecure the Mounting Collar After installation reconnect the negative battery terminal Using the Rear Support Strap Using the Rubber Cushion optionTo Remove the Unit from the vehicles dashboard Only for CQ-4500U Electrical ConnectionsCQ-4300U Only for CQ-4300UMaintenance TroubleshootingProduct Servicing Replacing the FuseProblem Possible Cause Probable Solution Troubleshooting TipsPart 15 of the FCC Rules SpecificationsPage One Panasonic Way, Secaucus New Jersey