(Optional) Repeat the steps in "Step 1" to verify the version number has changed to the new version. Troubleshooting Common Issues

To perform a , you do not need a USB-to-serial adapter or a computer connected directly to the player. The CD-S303 is updated via a CD-R disc . Yes, you read that right—you burn the firmware onto a disc.

Before you start your , run through this checklist:

You should only perform an update if the version available on the Yamaha website is higher than the one currently installed on your device. Power the CD player.

Here’s a clear, step-by-step write-up for performing a firmware update on the CD player.