Panasonic CQ-5335U operating instructions Troubleshooting, Preliminary Steps, Common

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Troubleshooting

Preliminary Steps

Check and take steps as described in the tables below.

If You Suspect Something Wrong

Immediately switch the power off.

Disconnect the power connector and check that there is neither smoke nor heat from the unit before asking for repairs. Never try to repair the unit by yourself because it is dangerous to do so.

Cautions:

•Do not use the unit if it malfunctions or if there is something wrong.

•Do not use the unit in irregular condition, for example, without sound, or with smoke or foul smell, which can cause ignition or electric shock. Immediately stop using it and call the store where you purchased it.

Troubleshooting Tips

❐Common

Trouble

No power.

No sound.

Cause/Step

Vehicle’s ignition switch is not on.

a Turn your vehicle’s ignition switch to ACC or ON.

Cables are not correctly connected.

a Connect cables correctly.

Power connector is not correctly connected.

a Connect the power connector to the terminal that is always active.

Power connector is not correctly connected.

a Connect the power connector to your vehicle’s ACC source.

Grounding wire is not correctly connected.

a Connect the grounding wire to a metal part of the vehicle.

Mute is set to ON.

a Set it to OFF.

Cables are not correctly connected.

a Connect cables correctly.

Noise.

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The ground lead is not connected properly.

a Connect the ground lead properly.

CQ-5335U

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Contents CQ-5335U Safety Information Following applies only in the U.S.ALaser Products Wave length 780 nm FCC WarningWhen Driving When Washing Your CarUse Authorized Service centers When ParkedContents Power and Sound Controls PowerVolume LoudnessIllumination Switching BassTreble BalanceClock Setting Time ResetSelecting the Clock Display Initial TimeAlarm Time Setting Initial Alarm TimeAlarm Operation Alarm output Volume SelectionRadio Radio Preset Station Setting Auto Preset Memory APMManual Preset Memory Preset Station CallingTuning in a Weather Band Station Weather Band StationsCD Player Disc Insert and Playback Disc insertStop and Disc Eject Listening to a CDTrack Selection Track Search Repeat play Random play Scan playCD Changer mode CD Changer ControlDisc Selection Track SelectionRemote Control Scan Play Tracks DiscsRepeat Play Tracks Discs Random Play Tracks DiscsPreliminary Steps TroubleshootingCommon Select other stations of higher signal level Clean disc, referring to the section on Notes on DiscsRadio Extend fully the radio antennaSound Setting Adjust mounting angle to less than 30˚Connect the speaker wires to the correct ones Trouble Sound skips due to vibration Disc is not ejectedError Display Messages CD changerCheck the disc Select the next available compact disc. Check the discCleaning this Unit MaintenanceCare of the Unit Speaker Connections Product ServicingWrong ChassisInstallation Guide Dashboard SpecificationsPanasonic Servicenter List for Service Directory OverviewInstallation Dashboard InstallationInstallation Hardware Using the rubber cushion optionMounting springs C ExampleTo Remove the Unit from the vehicles dashboard Insert each Removal Tool i and pull Removal Tool U-shapedElectrical Connections Wiring DiagramCD Receiver Not used Specifications Memo Memo