English98 EnglishTroubleshooting GuideWhat might appear to be a malfunction in your unit may just be the result of slight misoperation ormiswiring. Before calling service, first check the following table for possible problems.GeneralThe power does not turn on.• The fuse has blown.The desired source is NOT selected although you pressed the SRC button.• An optional unit required to listen to each source isnot connected yet.• The RESET button is not pressed yet although theoptional unit has been connected to the system.• The "O-N" switch of the optional unit is at the "O"position.• A disc changer not supported by the system is used.Nothing happens when the buttons are pressed.• The computer chip in the unit is not functioningnormally.No television/video image appears.• The unit is not connected to the parking brakedetection switch.• The parking brake is not engaged.The screen is dark.• The unit is in a location where temperature is low.The screen does not darken when the vehicle’s lights are turned on.• The unit is set to auto dimmer.• The illumination wire has not been connected. (Ifmanual dimmer is set)AM/FM radio reception is poor and/or there is noise.• The TV antenna and vehicle‘s radio antenna are tooclose.The remote controller does not operate.• The remote control mode selector is not setcorrectly.• After checking for short circuits in the wires, replace thefuse with one having the same rating.• A non-connected source is not selected. See (see page 88) and connect the unit correctly.• Press the reset button (see page 4).• Set the "O-N" switch to the "N" position.• Use a disc changer supported by the system (see page 4).• Press the reset button on the unit (see page 4).• Make proper connections according to (seepage 88).• For safety reasons no television/video images aredisplayed while the vehicle is moving. Engaging theparking brake will cause images to be displayed.• If the temperature of the monitor unit drops, the screenmay appear darker when power is first turned on due tothe characteristics of a liquid crystal panel. Wait a whileafter turning power on for the temperature to rise. Normalbrightness will return.• When the unit is set to auto dimmer, it is not linked to thevehicle's light switch.• Make proper connections according to (seepage 88).• Separate the two antennas as far as possible.• Turn off the main unit.• Switch the remote control mode selector according to thesource you select (see page 14).English 99No sound can be heard, or the volume is low.• Attenuator is turned on.• The fader or balance settings are set all the way toone side.• The input/output wires or wiring harness areconnected incorrectly.The sound quality is poor or distorted.• One of the speaker wires is being pinched by ascrew in the car.• The speakers are not wired correctly.Radio reception is poor.• The car antenna is not extended.• The antenna control wire is not connected.The memory is erased when the ignition is turned off.• The battery wire has not been connected to theproper terminal.• The ignition and battery wire are incorrectlyconnected.The TEL mute function does not work.• The TEL mute wire is not connected properly.The TEL mute function turns on even though the TEL mute wire is not connected.• The TEL mute wire is touching a metal part of thecar.The sound/picture skips on a DVD/VCD/CD.• The disc is scratched or dirty.A track will not play.• Random play has been selected.A VCD cannot be played using menus.• The VCD disc being played is not compatible withP.B.C.The subtitle is not displayed.• The DVD disc being played does not contain therecording of subtitles.The voice (or subtitle) language cannot be changed.• The DVD disc being played does not contain therecording of more than one audio (or subtitle)language.• Turn off Attenuator.• Reset the fader and/or balance settings.• Reconnect the input/output wires or the wiring harnesscorrectly. See the section on (see page 88).• Check the speaker wiring.• Reconnect the speaker wires so that each output terminalis connected to a different speaker.• Pull the antenna out all the way.• Connect the wire correctly, referring to the section on (see page 88).• Connect the wire correctly, referring to the section on (see page 88).• Connect the wire correctly, referring to the section on (see page 88).• Connect the wire correctly, referring to the section on (see page 88).• Pull the TEL mute wire away from the metal part of thecar.• Clean the disc, referring to the section on (see page 6).• Turn off random play.• Menu playback is available only with VCD discs recordedwith P.B.C.• The subtitle cannot be displayed when the DVD disc beingplayed does not contain the recording of subtitles.• The voice (or subtitle) language cannot be changed whenthe DVD disc being played does not contain the recordingof more than one voice (or subtitle) language.