Onkyo TX NR646 Basic Manual

Onkyo TX NR646 manual cover
Pages 32
Year 2015
Language(s)
English en

Onkyo TX NR646 Specification

The Onkyo TX-NR646 is a mid-range 7.2-channel home theater receiver that offers a blend of powerful audio performance and modern connectivity options. It delivers 170 watts per channel, providing robust and dynamic sound for a comprehensive home theater experience. The TX-NR646 supports Dolby Atmos and DTS:X, enabling immersive, multidimensional audio playback with compatible speaker setups. Featuring six HDMI inputs and two outputs, this receiver ensures seamless integration with various high-definition devices, supporting 4K Ultra HD video at 60 Hz with HDCP 2.2 compatibility for protected content playback. It also includes built-in Wi-Fi and Bluetooth, allowing for wireless streaming from smartphones, tablets, and PCs, as well as AirPlay support for Apple devices. The inclusion of Spotify Connect, Pandora, and internet radio access enhances streaming capabilities, catering to diverse musical preferences. Onkyo's proprietary AccuEQ room calibration technology optimizes speaker settings based on room acoustics, ensuring balanced sound distribution throughout the listening environment. The receiver's user interface is intuitive, with a clear on-screen display for easy setup and adjustments. Furthermore, its compatibility with the Onkyo Remote app provides convenient control from mobile devices. With a sleek, modern design, the Onkyo TX-NR646 combines advanced audio features, extensive connectivity, and ease of use, making it a versatile choice for enthusiasts looking to enhance their home entertainment systems.

Onkyo TX NR646 F.A.Q.

How do I perform a factory reset on my Onkyo TX NR646?

To perform a factory reset on your Onkyo TX NR646, press and hold the "VCR/DVR" button on the front panel, then press the "ON/STANDBY" button. Continue holding both buttons until "Clear" appears on the display. Release the buttons to reset the receiver to its factory settings.

What should I do if my Onkyo TX NR646 is not producing any sound?

First, ensure that all cables are securely connected and the correct input source is selected. Check the speaker connections and verify that the speakers are functioning. Additionally, ensure that the receiver is not muted and the volume is turned up. If the issue persists, try resetting the receiver.

How can I update the firmware on my Onkyo TX NR646?

To update the firmware, connect the receiver to the internet via Ethernet or Wi-Fi. Press the "Home" button on the remote, navigate to "Setup", then select "Hardware Setup" followed by "Firmware Update". Choose "via Network" and follow the on-screen instructions to complete the update process.

Why is my Onkyo TX NR646 overheating and shutting down?

Ensure that the receiver has adequate ventilation and is not placed in an enclosed space. Remove any objects blocking the air vents. If the problem continues, consider using an external fan or cooling system to improve airflow around the receiver.

Can I connect my Onkyo TX NR646 to Bluetooth devices?

Yes, the Onkyo TX NR646 supports Bluetooth connectivity. To pair a device, press the "Bluetooth" button on the remote control, ensure your device is in pairing mode, and select the receiver from the list of available devices on your Bluetooth device.

How do I configure my Onkyo TX NR646 for a 5.1 speaker setup?

Connect the speakers to the appropriate terminals on the back of the receiver. Use the "Speaker Setup" menu in the "Setup" section to select "5.1" under "Speaker Configuration". Adjust the speaker distances and levels according to your room layout for optimal sound performance.

What is the procedure for connecting my Onkyo TX NR646 to a Wi-Fi network?

Press the "Home" button on the remote, go to "Setup", then "Network Setup". Select "Wi-Fi" and choose your network from the list of available networks. Enter the Wi-Fi password when prompted to connect the receiver to your wireless network.

How do I enable and configure the Zone 2 feature on my Onkyo TX NR646?

In the "Setup" menu, navigate to "Zone 2". Connect speakers to the Zone 2 terminals, and set the output to "Zone 2". You can control the volume and select input sources for Zone 2 using the remote or the front panel controls.

My Onkyo TX NR646 remote control is not working. What should I check?

First, replace the batteries in the remote control. Ensure there are no obstructions between the remote and the receiver. Verify that the remote control is set to the correct mode (e.g., "Receiver" mode). If the issue persists, try resetting the remote by removing the batteries and pressing each button twice.

How can I improve the HDMI signal quality on my Onkyo TX NR646?

Ensure that you are using high-speed HDMI cables, especially for 4K content. Check that the HDMI cables are securely connected and not damaged. In the "Setup" menu, navigate to "HDMI Setup" and enable "HDMI Deep Color" for compatible devices to improve signal quality.