Yamaha TSX-B237 General instructions
1
This Guide provides instructions for updating firmware with a
USB flash drive on the following products.
• TSX-B237
See product pages on the Yamaha website for details regarding
the issues resolved, and functions added, by updating firmware.
Equipment required for
firmware update
Prepare the following items before attempting to update firmware.
• USB flash drive
Use a USB flash drive that meets all of the following
requirements.
– Supports USB 2.0 (Hi-Speed) or later.
– Supports the USB mass storage device class.
– Formatted in FAT16 or FAT32 format.
– Not encrypted.
– No data stored (empty).
• Computer that can be connected to the Internet
Download the firmware from the Yamaha website.
• Remote control of this unit
Update Guide
Manual Development Group
© 2021 Yamaha Corporation
Published 03/2021 KSOD-A0
AV20-0164
EN
2
Preparing the firmware
1Download the latest version of firmware from
the Yamaha website to a computer.
See product pages on the Yamaha website for more
information.
2Decompress the downloaded file and save
the firmware data file to the USB flash drive.
The compressed file may be a collection of multiple data
files (.BIN). Be sure to save all firmware data files in the top
folder (just inside the root folder) of the USB flash drive.
Do not change the file names.
3
Confirming the unit’s firmware version
Follow the procedure described below to confirm the unit’s firmware version. If the unit’s firmware version is the same as the latest
firmware version indicated on the Yamaha website, there is no need to update the unit’s firmware (p. 4).
1Press OPTION on the remote control.
2Use e/rto select “SYSTEM”, and then press
ENTER.
3Use q/wto select “Firmware”, and press
ENTER.
4Use q/wto select “Version Information”, and
press ENTER.
The unit’s firmware version is displayed.
4
Updating the unit’s firmware
1Connect the USB flash drive to the USB jack
on the unit.
2Press OPTION on the remote control.
3Use e/rto select “SYSTEM”, and then press
ENTER.
4Use q/wto select “Firmware”, and press
ENTER.
5Use q/wto select “Firmware Update”, and
press ENTER.
6Use q/wto select “YES”, and press ENTER.
NOTICE
Do not unplug the power cord or disconnect the USB flash
drive while the firmware is being updated. If the firmware
update is interrupted, unplug the power cord and plug it in
again, turn on the unit, and try updating the unit’s firmware
again.
AUX HEADPHONES USB
5V 1.0A
USB
5V 1.0A
USB flash drive containing the firmware data files
5
7Press ENTER when “Update Start?” is
displayed.
The firmware update will begin. Wait until the firmware
update is complete. It takes about three minutes to complete
the update.
“Completed!” will be displayed when the firmware update
has been successfully completed, and the unit will turn off.
8Disconnect the USB flash drive.
The firmware update has been completed. See “Confirming the
unit’s firmware version” (p. 3) to confirm the unit’s firmware
version.
71%
Firmware Update
6
Troubleshooting
If any of the following occur, the firmware will not be successfully updated. Check the cause and try updating the firmware again.
• “Fail” is displayed.
• Movement on the progress bar stops (the numerical value indicating progression does not increase).
Cause Remedy
The USB flash drive is not connected to
the unit correctly.
1. Unplug the power cord and plug it again, and turn on the unit.
2. Connect the USB flash drive to the unit correctly.
3. Try updating the firmware again.
The firmware data file was not properly
saved to the USB flash drive.
1. Disconnect the USB flash drive and be sure that the firmware data files have been
saved as follows:
• Each file name has not been changed.
• All files are stored in the top folder (just inside the root folder).
2. Unplug the power cord and plug it again, and turn on the unit.
3. Connect the USB flash drive to the unit correctly.
4. Try updating the firmware again.
The USB flash drive is damaged. 1. Save the firmware data file to another USB flash drive.
2. Unplug the power cord and plug it again, and turn on the unit.
3. Try updating the firmware again.
There is a problem with the firmware
data file.
1. Download the firmware data file for your unit from the Yamaha website and save it to
the USB flash drive.
2. Unplug the power cord and plug it again, and turn on the unit.
3. Try updating the firmware again.
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3
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