64TroubleshootingWhat appears to be trouble is not always serious.Check the following points before calling a servicecenter.• For operations with the external components,refer also to the instructions supplied with theadapters used for the connections (as well asthe instructions supplied with the externalcomponents).❏ GeneralNo sound comes out of the speakers.• Adjust the volume to the optimum level.• Check the cords and connections.No picture is displayed on the screen.• Turn on the screen. (Page 8)The unit does not work at all.• Reset the unit. (Page 3)The remote controller* does not work.• Replace the battery.* Purchase K NA-RCDV331 s eparately.❏ DiscsRecordable/Rewritable discs cannot be playedback.• Insert a finalized disc.• Finalize the discs with the component which youused for recording.Tracks on the Recordable/Rewritable discscannot be skipped.• Insert a finalized disc.• Finalize the discs with the component which youused for recording.Playback does not start.• The format of files is not supported by the unit.No picture appears on the external monitor.• Connect the video cord correctly.• Select the correct input on the external monitor.DivX /MPEG1/MPEG2/MP3/WMA/AAC disc cannotbe played back.• Record the tracks using a compliant application onthe appropriate discs. (Page 60)• Add appropriate extension codes to the filenames.Tracks on the Recordable/Rewritable discs arenot played back as you have intended them toplay.• Playback order may differ from the one playedback using other players.❏ USB“Reading...” does not disappear from the screen.• Turn the power off and on again.While playing a track, sound is sometimesinterrupted.• The tracks are not properly copied into the USBdevice. Copy the tracks again, and try again.Tracks are not played back as you have intendedthem to play.• Playback order may differ from the one playedback using other players.❏ iPod/iPhoneNo sound comes out of the speakers.• Disconnect the iPod/iPhone, then connect it again.• Select another source, then reselect “iPod”.The iPod/iPhone does not turn on or does notwork.• Check the connecting cable and its connection.• Update the firmware version.• Charge the battery.• Reset the iPod/iPhone.Sound is distorted.• Deactivate the equalizer either on this unit or theiPod/iPhone.REFERENCES