Yamaha CD-S303 General instructions

CD-S303RK

CD-S303

Update Guide

Manual Development Group

© 2021 Yamaha Corporation

Published 10/2021

IPOD-A0

VFQ0270

Compact Disc Player

1

Follow the steps below to update the firmware of the unit.

Checking the firmware version of the unit

1Turn on the unit.

2

If the USB indicator on the front panel is lit, press CD/USB to switch

to Disc mode.

If a CD has been placed on the disc tray, remove it.

3Press and hold A/B on the remote control.

The current firmware version appears on the information display of the front panel

for about five seconds. Write down the version number.

Downloading the firmware

1Have the following items ready.

• USB flash drive: Use a USB flash drive that meets all of the following

requirements.

– Supports the USB mass storage device class

– Formatted in FAT16 or FAT32 format

– No encryption applied

– No data stored on the device (empty)

• Computer that can be connected to the Internet

2Download the firmware.

Check the version number of the latest firmware uploaded on the product pages of

Yamaha website. Download the firmware to update only if it is newer than that of

the unit.

3Save the firmware data file to the USB flash drive.

Decompress the downloaded file and save the firmware data file in a folder at the

highest level of hierarchy (i.e., the root folder) of the USB flash drive.

Note

• Do not change the file name when saving the firmware data file to the USB flash drive.

Updating the firmware

2

Updating the firmware

Operate the unit to update the firmware.

1Press CD/USB to switch to USB mode.

2Connect the USB flash drive to the USB jack on the front panel.

“UNSUPPORT” appears on the information display of the front panel.

3Press and hold (Pause).

“UPGRADE” appears on the information display of the front panel, and the unit

starts updating its firmware. The updating process takes about 20 seconds to

complete. When the process completes, the unit automatically restarts.

Notice

• Do not turn off the power to the unit while updating. Turning off the power while updating the

firmware may cause damage to the unit.

4Press CD/USB to switch to Disc mode.

5Press and hold A/B on the remote control.

Make sure that the firmware version indicated on the display is the same as that of

the downloaded firmware.

6Turn off the unit and remove the USB flash drive.

If the “UPGRADE” stays on the information display for

one minute or longer

The update process might have failed. Turn off the unit and remove the USB flash drive.

Make sure that the following requirements are satisfied, and then perform the operation

from step 1 of “Updating the firmware” again.

– The firmware data file has been saved in a folder at the highest level of hierarchy

(i.e., the root folder) of the USB flash drive.

– The data file name of the firmware has not been changed.

Troubleshooting

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