CD-6400 (420-5048) Troubleshooting Faxback Doc. # 3374 With proper care and handling, your CD changer should give you years of trouble-free service. However, if you do have problems, locate the problem in the Problem column below. Then check the Possible Cause column to find the cause, if you still have problems, bring the changer to your local Radio Shack store for assistance. Problem Possible Cause Power is on but no indicator light. Check for unplugged line cord. CD is loaded but display does not The CD is loaded upside-down. show all the play information. The CD is dirty or scratched. The CD is not a standard compact disc. No sound. The audio cable is not connected or is defective. The sound is interrupted or the same The CD is scratched or dirty. part repeats. (LB/all-12/02/94)