English|21Some functions of this unit may be disabled bysome settings made on this unit.!Cannot display the user of System Q.▲!• Cannot set up the subwoofer.• No output from the subwoofer.• Cannot set up the low pass filter.▲• Preout is not set to subwoofer.☞preout> (page 18)• (page 9) is not set to On.!Cannot play audio files.▲ (page 19) is set to "2".What 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 Touch Sensor Tone doesn’t sound.✔The preout jack is being used.☞The Touch Sensor Tone can’t be output from thepreout 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 .Disc source?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 the numberfor the specified disc.✔The disc is severely scratched.☞Try another disc instead.Audio file source?The sound skips when an Audio file is beingplayed.✔The media is scratched or dirty.☞Clean the media, referring to the CD cleaning ofthe section on (page 5).✔The recording condition is bad.☞Record the media again or use another media.HD Radio source?No sound can be heard, or the volume is low.✔The preset broadcast station is not transmitting inthe mode that was set with (page 18).☞Please set to "AUTO".✔In digital AM broadcasting, receive mode switchesbetween stereo and monaural too often.☞Receiving condition is bad or unstable. Stereo ischosen when receiving condition is good, andit switches to monaural when the conditionbecomes bad.✔HD Radio tuner is connected to KCA-S220A or otherunits.☞Connect the HD Radio tuner directly to this unit.Troubleshooting Guide