English | 27Troubleshooting GuideWhat might seem to be a malfunction in your unitmay just be the result of slight misoperation ormiswiring. Before calling service, first check thefollowing table for possible problems.General? The power does not turn ON.✔ The fuse has blown.☞ After checking for short circuits in the wires,replace the fuse with one with the same rat-ing.? There’s a source you can’t switch.✔ There’s no media inserted.☞ Set the media you want to listen to. If there’sno media in this unit, you can’t switch to eachsource.✔ The Disc changer isn’t connected.☞ Connect the Disc changer. If the Disc changerisn’t connected to it’s input terminal, You can’tswitch to an external disc source.? The memory is erased when the ignition isturned OFF.✔ The ignition and battery wire are incorrectly con-nected.☞ Connect the wire correctly, referring to thesection on 'Connecting Wires to Terminals'.? Even if Loudness is turned ON, high-pitched toneisn’t compensated for.✔ Tuner source is selected.☞ High-pitched tone isn’t compensated for whenin Tuner source.? No sound can be heard, or the volume is low.✔ The fader or balance settings are set all the way toone side.☞ Center the fader and balance settings.✔ The input/output wires or wiring harness are con-nected incorrectly.☞ Reconnect the input/output wires or thewiring harness correctly. See the section on'Connecting Wires to Terminals'.✔ The values of Volume offset are low.☞ Turn up the Volume offset, referring to the sec-tion on 'Audio Control' (page 8).? The sound quality is poor or distorted.✔ One of the speaker wires is being pinched by ascrew in the car.☞ Check the speaker wiring.✔ The speakers are not wired correctly.☞ Reconnect the speaker wires so that eachoutput terminal is connected to a differentspeaker.? The Touch Sensor Tone doesn’t sound.✔ The preout jack is being used.☞ The Touch Sensor Tone can’t be output fromthe preout jack.Tuner source? Radio reception is poor.✔ The car antenna is not extended.☞ Pull the antenna out all the way.✔ The antenna control wire is not connected.☞ Connect the wire correctly, referring to thesection on 'Connecting Wires to Terminals'.? The desired frequency can’t be entered with theDirect Access Tuning.✔ A station that can’t be received is being entered.☞ Enter a station that can be received.✔ You’re trying to enter a frequency with a 0.01 MHzunit.☞ What can be designated in the FM band is to0.1 MHz.Disc source? "AUX1" is displayed without achieving Externaldisc control mode.✔ Unsupported disc changer is connected.☞ Use the disc changer mentioned in the 'AboutCD players/disc changers connected to thisunit' (page 4) of the section on ‘Safety precau-tions' .? The specified disc does not play, but another oneplays instead.✔ The specified CD is quite dirty.☞ Clean the CD.✔ The disc is loaded in a different slot from thatspecified.☞ Eject the disc magazine and check thenumber for the specified disc.✔ The disc is severely scratched.☞ Try another disc instead.? A CD ejects as soon as it is loaded.✔ The CD is quite dirty.☞ Clean the CD, referring to the CD cleaning ofthe section on 'About CDs' (page 6)? Can’t remove disc.✔ The cause is that more than 10 minutes haselapsed since the vehicle ACC switch was turnedOFF.☞ The disc can only be removed within 10 min-utes of the ACC switch being turned OFF. Ifmore than 10 minutes has elapsed, turn theACC switch ON again and press the Eject but-ton.? The disc won’t insert.✔ There’s already another disc inserted.☞ Press the [0] button and remove the disc.? Direct Search can’t be done.✔ Another function is ON.☞ Turn Random Play or other functions OFF.