## How to Diagnose the Trouble Related to the quality of Sound

### How to diagnose the trouble when it can't be loading

1. | Insert a CD or a cassette into the audio unit, and confirm whether a symptom reappears or not. Are you loading normally? YES - Operation is normal.n NO - Go to 2.

2. | Exchange it for another CD or cassette, and reconfirm it. Are you loading normally? YES - Replace the CD or cassette.n NO - Replace the audio unit.n

### How to diagnose the trouble when a CD or cassette can't be reproduced

1. | Insert a CD or a cassette into the audio unit, and confirm whether a symptom reappears or not. Is it normally played? YES - Operation is normal.n NO - Go to 2.

2. | Exchange it for another CD or cassette, and reconfirm it. Is it normally played? YES - Replace the CD or cassette.n NO - Replace the audio unit.n