TX-RZ50 - Updating Firmware via USB

This unit is equipped with a function to update the firmware via network or USB port. This enables various functions to be added and operations to be improved. Depending on the manufacturing timing of the product, the firmware may already be updated. In such a case, new functions may already be available. For how to confirm the latest firmware contents and the firmware version of your product, as well as how to update your Onkyo TX-RZ50 AV Receiver via USB, see the information below.

How to Check Firmware

For the latest firmware contents and the firmware version, visit our company's website. If the firmware version of your product differs from the latest one, it is recommended to update the firmware. To confirm the firmware version of your product, press the "settings" button on the remote controller, and refer to "7. Miscellaneous" - "Firmware Update" - "Version"

Firmware Update                                                                      

• Latest firmware update instructions: Firmware Update Instructions .
• Latest firmware update: Firmware Update .

Firmware Update Process

When this unit is connected to the network, notifications of firmware updates may be displayed automatically. To update the firmware, select "Update Now" with the cursor buttons of the remote controller and press ENTER. The unit should automatically enter standby mode. Once the message "Completed!" is displayed, the update should be complete.

NOTE: The update may take approx. 20 minutes to complete via network or via USB port.

Disclaimer: The program and accompanying online documentation are furnished to you for use at your own risk. Onkyo will not be liable and you will have no remedy for damages for any claim of any kind whatsoever concerning your use of the program or the accompanying online documentation, regardless of legal theory, and whether arising in tort or contract. In no event will Onkyo be liable to you or any third party for any special, indirect, incidental, or consequential damages of any kind, including, but not limited to, compensation, reimbursement or damages on account of the loss of present or prospective profits, loss of data, or for any other reason whatsoever.

Updating Firmware via USB

Before updating, please read the following:

• While updating the firmware, do not do the following:
  • Disconnecting and reconnecting cables, USB storage device, speaker setup microphone or headphones, or performing operations on the unit such as turning the power off
  • Accessing this unit from a PC or smartphone using their applications
• Prepare a 1 GB or larger USB storage device. The format of USB storage devices supports FAT16 or FAT32 file system format. – Media inserted into a USB card reader may not be used for this function.
  • USB storage devices equipped with the security function are not supported.
  • USB hubs and USB devices equipped with the hub function are not supported. Do not connect these devices to the unit.
• Delete any data stored on the USB storage device.
• Turn off control devices (PC etc.) connected to the network.
• Stop an Internet radio, USB storage device, or server content being played.
• If the multi-zone function is active, turn it off.
• If "HDMI CEC" is set to "On", set it to "Off". – Press . Next, select "5. Hardware" - "HDMI" and press ENTER, then select "HDMI CEC" and select "Off".
  • Depending on the USB storage device or its content, long time may be required for loading, the content may not be loaded correctly, or power may not be supplied correctly.
  • Our company will not be liable whatsoever for any loss or damage of data, or storage failure arising from the use of the USB storage device. Please note this in advance.

NOTE: The descriptions may differ from the actual on-screen displays, however, operations and functions are the same.

1. Connect the USB storage device to your PC.
2. Download the firmware file from the our company's website to your PC and unzip.
   • TX-RZ50 9.2-Channel THX Certified AV Receiver Firmware Update
3. Firmware files are named as below. ONKAVR****_R***.zip Unzip the file on your PC. The number of unzipped files and folders varies depending on the model.
4. Copy all unzipped files and folders to the root folder of the USB storage device.
   • Make sure to copy the unzipped files.
5. Connect the USB storage device to the USB port of this unit.
   • If an AC adapter is supplied with the USB storage device, connect the AC adapter, and use it with a household outlet.
   • If the USB storage device has been partitioned, each section will be treated as an independent device.
6. Press “settings”.
   • The Setup menu should be displayed on the TV screen.
7. Select "7. Miscellaneous" - "Firmware Update" - "Update via USB" with the cursors in order, then press ENTER.
   • If "Firmware Update" is grayed out and cannot be selected, wait for a while until it starts up.
   • If there is no updatable firmware, "Update via USB" cannot be selected.
8. Press ENTER with "Update" selected to start the update.
   • During the update, the TV screen may go black depending on the program being updated. In such a case, check the progress on the display. The TV screen will remain black until the update is completed and the power is turned on again.
   • During the update, do not turn the power off, or disconnect or reconnect the USB storage device.
   • When "Completed!" is displayed, the update is complete.
9. Disconnect the USB storage device from the unit.
10. Press ON/STANDBY on the main unit (not the remote) to turn the unit into standby mode. The process is completed, and your firmware is updated to the latest version.

NOTE: If an Error Message is Displayed If an error occurs, “*-** Error!" is displayed on the display of the unit. ("*" represents an alphanumeric character.) Refer to the following descriptions and check.

Error Code:

• *-01, *-10: The USB storage device cannot be recognized. Check if the USB storage device or USB cable is securely inserted to the USB port of the unit. Connect the USB storage device to an external power source if it has its own power supply.
• *-05, *-13, *-20, *-21: The firmware file is not present in the root folder of the USB storage device, or the firmware file is for another model. Retry from the download of the firmware file.
• Others: After removing the power plug once, insert it to the outlet, and then start the operation from the beginning.