Nothing appears on thedisplay.The control output of the display unit isnot connected properly.Connect the control output properly.Changer unit is mounted in anunstable place.Mount the unit in a stable place.Troubleshooting guideOften, what appears to be a malfunction is due to user error. Before calling forservice please consult the following table.Symptom Cause RemedyThe power is not turned on. The wiring harness fuse blows. Check cables for shorts, then replace thefuse with one of with the same rating(shown on the case).The fader or balance is set to one side. Adjust the fader and balance.The unit does not workproperly when a button ispressed.The microcomputer malfunctions. Press the Reset button of the displayunit.The input/output cable or wiringharness is connected incorrectly.Connect the input/output cable or wiringharness correctly. See "Connections"(Page 22).No sound or sound is low. The volume level is minimum. Raise the volume level.Sound quality is poor.(Sound distortion)The volume level is too high. Use the appropriate volume level.CD auto-changer input is notconnected to the unit. Connect the CD auto-changer input to theunit.The disc is loaded upside down. Eject the disc magazine and insert thedisc correctly.Two discs are inserted in a slot. Eject the disc magazine and insert thediscs correctly.The disc is severely damaged. Use another disc.The number of the slot into which thedisc is inserted is different from thenumber of the specified disc.Eject the disc magazine and check thenumber of the specified disc.The specified disc is notplayed; a different disc isplayed instead.The specified disc is very dirty. Check and, if possible, clean the disc.See "Cleaning your discs" (Page 6).CD play does not start.Power button is not turned ON. Turn the power button ON.Sound skips due to vibration. Something is touching the CD auto-changer. Keep it away from the CD auto-changer.The disc is dirty or damaged. If sound skips at the same part, the discis faulty. Check and, if possible, cleanthe disc.See "Cleaning your discs" (Page 6).The unit is mounted at a slant. Mount the unit so that is level.The angle adjustment switches are setimproperly.Set the angle adjustment switches to thecorrect positions.Sound distortion. A disc with a high recording level isused. Change the modulation level / dynamiccontrol setting.(Page 20)27Troubleshooting guide