Firmware Updates


Notice of Firmware Update for PR-SC5508

A firmware update for the PR-SC5508 network A/V controller is available through the unit’s network connection or USB input. Please note that new firmware updates replace, and include all content from, previous updates. The latest update includes the following content:

Latest Firmware Number (16 digits):1101-0800-0310-2101

As of 5 July 2012

  • Stabilizes the operation of Network Control;

As of 28 March 2012

  • Improves noise during playback of DTS-HD Master Audio with particular Blu-ray disc;

As of 20 December 2011

  • Stabilizes audio output when Zone 2 (or 3) is turned on before the main power;

This fix is only applied for Pre-Amp models.

As of 26 September 2011

  • Adds support of Onkyo Remote App for Android. *it is also necessary to update the App.

As of 11 November 2010

  • Improves the playback of particular wav file;
  • Corrects intermittent activation of Auto Power Down function during playback in NET/USB mode;

As of 28 October 2010

  • Stabilizes the initializing process when [NET/USB] mode is activated on a busy network;
  • Improves the playback speed of certain VBR (Variable Bit Rate) MP3 files;
  • Changes the timing of volume operation start (thereby avoiding problems of no sound output after power is turned on from Standby mode with network control enabled).

As of 22 September 2010

  • Improves Audyssey MultEQ XT32 processing (Note: after installing the update, you need to run the MultEQ XT32 speaker set-up again);
  • Enhances the operability and display of network/USB-related functions.

Precautions for PR-SC5508 Firmware Update

  • Please read the update instructions carefully before beginning.
  • The firmware update should take 30 to 40 minutes. Once the update begins, don't turn off the power supply to the A/V controller until it is time to restart it.
  • Depending on the conditions of the network, a firmware update via a network may take more than one hour or even fail to finish. If the update is not completed within two hours, turn off the power supply by pushing the ON/STANDBY button and then try updating again from the beginning.
  • Updating the firmware and adjusting the settings will be done automatically, but may take some time to complete. Please follow the procedures as instructed when you update. Note that the update may fail, or cause problems for your A/V controller, if you do any of the following:
  • Pull out the A/V controller’s power cord;
  • Interrupt the power supply to the A/V controller (e.g. if the breaker is tripped or if there is an electrical outage);
  • Insert or remove the LAN cable from a device in your network when updating over a network;
  • Insert or remove a USB memory device from the A/V controller when updating via USB;
  • Operate components connected to the A/V controller via HDMI, such as a TV or a recording device.

If your A/V controller is damaged for any of the reasons above, an Onkyo service center will repair the unit for a fee.

How to Install Firmware Update for PR-SC5508

Click below for instructions on how to install the update. Instructions cover (1) direct update over network connection and (2) update via USB.

Click below to download the firmware update to your PC, for subsequent installation on your receiver via its USB port.

Please click here for the details about Open Source Software.