Trouble Cause/StepOnly sound,no picture.Trouble Cause/StepTrouble Cause/StepConnection or installation of the TV antenna has not been performed correctly.aCheck the connection or installation.The intensity of the radio wave is too low.aChange the broadcast station.Unclear image due tonoise■ Monitor■ TVThe monitor stops on the way to the home position.aRaise the monitor a little and press [ ] (OPEN/CLOSE).The monitor direction is not proper.aChange the monitor direction to the center.There is an obstacle.aInstall the unit where the unit moves freely.The tilt angle or thefront-rear position ofthe display is notadjustable.The monitor does notgo back into the unit.Trouble Cause/StepButtons are invalid foroperation.Remote control is in the wrong direction.aDirect the remote control at remote control sensor on the display unit.Battery has run down.aReplace the battery.Wrong battery.aCheck the battery.Battery Poles (+) (–) are reversed.aInsert the battery correctly.■ Remote Control84 8575ENGLISH76ENGLISHCQ-VD7200U CQ-VD7200UPreliminary StepsCheck and take steps as described in the tables below.If You Suspect Something WrongImmediately switch power off.Disconnect the power cable and check that there is neither smokenor heat from the unit before asking for repairs. Never try to repairthe unit yourself because it is dangerous to do so.Trouble Cause/StepNo powerNo soundCondensation (dew)aWait for a while before use.Cables are not correctly connected.aConnect cables correctly.Mute is set to ON.aSet it to OFF.The volume is adjusted to zero.aRaise the volume.Fuse is burnt.aCall the store where you purchased the unit, or your nearest PanasonicServicenter (see the attached sheet) and ask for fuse replacement.Grounding wire is not correctly connected.aConnect the grounding wire to a metal part of your car.Accessory cable is not correctly connected.aConnect the accessory cable to your car's ACC source.Battery cable is not correctly connected.aConnect the battery cable to the terminal that is always live.Cables are not correctly connected.aConnect cables correctly.Car’s ignition switch is not on.aTurn your car’s ignition switch to ACC or ON.Troubleshooting■ CommonCautions:¡Do not use the unit if it malfunctions or ifthere appears to be something wrong.¡Do not use the unit in an irregular condi-tion, for example, no sound, or if it is emit-ting smoke or foul smell, as this may causeignition or electric shock. Immediately stopusing it and call the store where you pur-chased it.Side brake (parking brake) cord is not correctly connected.aConnect the side brake connection lead correctly.You did not pull the side brake (parking brake) lever.aPull the side brake (parking brake) lever.NoisePicture is not clear.A mobile phone is used near the unit.aKeep the mobile phone away from the unit.The unit’s grounding wire is not connected securely.aCheck the metal areas of the car body (chassis), and connect thegrounding wire more securely.■ Common (Continued)