INSPECTION PROCEDURE 23: Sound Quality is Poor.: Diagnosis

Check to see that the CD can be played normally and that it is free of any scratches or soiling. 

Replace with better sound quality CD.

Q: Is the sound quality better replacing the CD with a clean CD without any scratches that can be played? 

YES  : Defective CD used. The sound quality should return to normal.

NO  : Either repair or replace the radio and CD player. The sound quality should return to normal.