Kenwood KDC-PS909 Instruction Manual page 19

PROBLEM
Sound skips due to vibration.
Nothing appears on the display.
Sound distortion.
Sound quality is poor.
No sound is heard even though
the information concerning the
CD auto-changer is displayed.
The specified track is not
played.
POSSIBLE CAUSE
Something is touching the CD auto-changer.
The disc is dirty or damaged.
The unit is mounted at a slant.
Changer unit is mounted in an unstable place.
The angle adjustment switches are set improperly.
The control output of the display unit is not connected
properly.
A disc with a high recording level is used.
The recording of the disc is poor.
The disc is dirty or damaged.
Volume is set to minimum level.
The microcomputer does not function
correctly.
The system is not connected properly.
The player is set to Random Play / Magazine
Random Play.
Keep it away from the CD auto-changer.
If sound skips at the same part, the disc is faulty. Check
and, if possible, clean the disc.
See "Cleaning CDs" (Page 5).
Mount the unit so that is level.
Mount the unit in a stable place.
Set the angle adjustment switches to the correct positions.
Connect the control output properly.
Change the modulation level / dynamic control setting.(Page 12)
Try playing another disc. If the sound is good, the fault was
with the original disc.
Check and, if possible, clean the disc.
See "Cleaning CDs" . (Page 5)"
Raise the volume level.
Press the Reset button of the display unit. (Page 3)
Connect the system properly.
See "Connecting Cables to Terminals" .(Page 15)
Turn off Random Play / Magazine Random Play.
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SOLUTION