TROUBLE SHOOTING Circuit CD Symptom Cannot read the the table of contents. No display. No sound. Cause and Remedy 1.The inserted disc is upside down. Insert disc correctly. 2.Disc is dirty. Wipe it with a piece of soft colth. 3.Disc is seriously hed. Use a new disc. 4.Disc is seriously warped. Use a new disc. 5.A non -standard disc has been inserted. Use only a brand name disc . 6.Moisture has formed inside the CD desk. Wait about 20 to 30 minutes. 7.Defect in the servo control board. Replace or repair as required. 8.Defect in the CD pickup mechanism. Replace as required.
