Onkyo TX-NR626 Instruction Manual: A Comprehensive Guide
This manual details setup, features, and troubleshooting for the Onkyo TX-NR626 receiver, offering guidance on network connectivity, audio calibration, and firmware updates.

Welcome to the world of immersive home entertainment with the Onkyo TX-NR626! This 7.2-channel network AV receiver is designed to deliver a powerful and engaging audio-visual experience. This instruction manual serves as your comprehensive guide to unlocking the full potential of your new Onkyo receiver. Whether you’re a seasoned audiophile or new to home theater, this guide will walk you through every step, from initial setup and speaker configuration to network integration and advanced customization.
The TX-NR626 supports a wide range of audio and video formats, including Dolby Atmos and DTS:X, ensuring compatibility with the latest entertainment sources. You’ll find detailed instructions on connecting your TV, Blu-ray player, gaming console, and other devices. Furthermore, this manual provides access to online resources, including the official Onkyo support website for firmware updates and additional assistance.
Key Features and Specifications
The Onkyo TX-NR626 boasts impressive specifications for a truly captivating home theater experience. Key features include 7.2 channel surround sound support, delivering immersive audio with Dolby Atmos and DTS:X compatibility. It offers a powerful amplifier section, ensuring clear and dynamic sound reproduction. Connectivity options are plentiful, featuring multiple HDMI inputs with HDCP 2.2 support for 4K Ultra HD video.
Network capabilities include built-in Wi-Fi and Ethernet, enabling access to streaming services like Spotify and Pandora, as well as internet radio. The receiver supports high-resolution audio playback, enhancing the listening experience. Power output is 80W per channel, providing ample power for most speaker setups. It also includes advanced room acoustic calibration for optimized sound in any environment. The TX-NR626 is designed for both performance and convenience.

Setting Up Your Onkyo TX-NR626
Proper setup involves unboxing, connecting speakers and devices, configuring network settings, and ensuring optimal placement for the best audio performance.
Unboxing and Initial Inspection
Carefully unpack your Onkyo TX-NR626 receiver from the box, retaining all packaging materials for potential future transport. Inspect the unit thoroughly for any visible signs of damage incurred during shipping. This includes checking the front panel, rear panel connections, and the overall chassis. Verify that all included accessories are present: the remote control, batteries, AM/FM antenna, speaker labels, and the quick start guide.
Confirm the presence of the full instruction manual, either in printed form or a link to the online PDF version (available on the Onkyo Europe website). Ensure the power cord is included and undamaged. If any damage or missing components are discovered, immediately contact your retailer or Onkyo customer support. Do not attempt to operate a damaged unit. Proper initial inspection safeguards your investment and ensures a smooth setup process.
Speaker Connections and Configuration
Connect your speakers to the corresponding terminals on the rear panel of the Onkyo TX-NR626, matching positive (+) and negative (-) polarities. Utilize the provided speaker labels for easy identification. The receiver supports a 7.2 channel configuration, allowing for flexible speaker placement. Ensure wires are securely fastened to prevent signal loss or shorts.
During initial setup, the Onkyo TX-NR626’s on-screen menu will guide you through speaker configuration. Specify the size (small or large) of each speaker and the distance from the listening position. Accurate distance measurements are crucial for optimal sound calibration. Select the appropriate crossover settings for smaller speakers to ensure seamless integration with the subwoofer. Proper configuration maximizes the immersive audio experience.
Connecting to Your TV and Other Devices
Utilize the HDMI ports on the Onkyo TX-NR626 to connect your TV, Blu-ray player, and gaming consoles. The ARC (Audio Return Channel) feature simplifies audio transmission from the TV back to the receiver, eliminating the need for separate optical cables. For older devices, employ the optical digital audio input.
Ensure the selected HDMI input on the receiver matches the connected device. The receiver supports 4K Ultra HD video passthrough, preserving image quality. Connect any additional audio sources, like CD players, using the analog RCA inputs. Properly configuring these connections ensures optimal audio and video performance. Remember to consult your TV’s manual for ARC compatibility settings.
Network Setup (Wi-Fi & Ethernet)
Connect your Onkyo TX-NR626 to your home network for streaming services and firmware updates. You can establish a connection via Wi-Fi or a wired Ethernet cable. For Wi-Fi, access the receiver’s setup menu and select your network from the available list, entering the password when prompted.
An Ethernet connection generally provides a more stable and reliable link. Once connected, the receiver will obtain an IP address automatically (DHCP). Verify the connection status in the network settings menu. Successful network access unlocks features like Spotify, Pandora, and internet radio. Regularly check for firmware updates to maintain optimal performance and access the latest features.

Understanding the Onkyo TX-NR626 Interface
The Onkyo TX-NR626 features intuitive front panel controls, a comprehensive remote, and an on-screen menu for easy navigation and system configuration.
Front Panel Controls and Display
The Onkyo TX-NR626’s front panel provides essential controls for immediate operation. A power button initiates system startup and shutdown. Input selectors allow quick switching between connected sources – such as HDMI, optical, or phono. Volume up/down and tuning controls manage audio levels and radio stations.
The display panel presents crucial information, including the selected input, current volume level, and active surround sound mode. It also indicates network status and any error messages. A dedicated ‘Info’ button cycles through detailed on-screen data regarding the currently playing source. Furthermore, buttons for scene preset recall offer one-touch access to customized audio settings for different content types. The panel’s illumination can often be adjusted for optimal visibility in varying lighting conditions.
Remote Control Overview
The Onkyo TX-NR626’s remote control offers comprehensive command of all receiver functions. Dedicated input selection buttons provide direct access to connected devices. Numerical keypad facilitates direct input of radio station frequencies or track numbers. Volume and tuning controls mirror the front panel functions, allowing convenient adjustment from across the room.
Surround mode buttons enable quick switching between pre-defined audio configurations like Dolby Atmos or DTS:X. Scene preset buttons recall customized settings for movies, music, or games. A menu button accesses the on-screen display for advanced settings adjustments. Transport controls (play, pause, stop, fast forward, rewind) manage playback of connected media sources. The remote also features buttons for zone control and system setup, enhancing overall usability.
On-Screen Menu Navigation
The Onkyo TX-NR626 utilizes a user-friendly on-screen menu system, accessible via the “Menu” button on the remote control. Navigation is primarily achieved using the directional arrows on the remote, allowing you to move between menu options. Pressing “Enter” selects the highlighted option, while “Back” returns to the previous screen.
The main menu organizes settings into categories such as Setup, Audio, Video, Network, and Information. Within each category, submenus provide granular control over specific parameters. The menu displays clear labels and descriptions for each setting, aiding in understanding and adjustment. Utilize the on-screen prompts and help sections for detailed explanations of advanced features. Remember to save any changes made before exiting the menu.

Audio Settings and Calibration
Fine-tune your listening experience with speaker level calibration, equalizer adjustments, and selectable surround sound modes for optimal audio performance.
Speaker Level Calibration
Speaker level calibration is crucial for balanced sound. The Onkyo TX-NR626 utilizes an automated calibration system, typically employing a microphone to analyze your room’s acoustics. This process measures the distance from each speaker to the listening position and adjusts individual speaker output levels to ensure optimal frequency response at your primary listening spot.
Before starting, ensure the microphone is positioned correctly – usually at ear level in your preferred listening chair. The receiver will emit test tones from each speaker; avoid any noise during this process. The calibration results will display suggested adjustments for each channel. You can then review and, if desired, manually fine-tune these levels for a personalized sound experience. Accurate calibration significantly enhances clarity and immersion.
Remember to re-calibrate if you change speaker positions or room furnishings.
Equalizer Settings
The Onkyo TX-NR626 offers a range of equalizer (EQ) settings to tailor the audio to your preferences and room characteristics. Access these settings through the on-screen menu, typically found within the “Audio” or “Sound” section. You’ll find preset EQ modes like “Rock,” “Jazz,” “Cinema,” and “Flat,” providing quick adjustments for different content types.
For more precise control, explore the manual EQ settings. This allows you to adjust specific frequency bands, boosting or cutting them to correct room imbalances or emphasize certain sounds. Experiment with these settings cautiously, as excessive adjustments can distort the audio. Consider using the auto-calibration feature first as a baseline, then fine-tune with the manual EQ.
Save custom EQ profiles for different sources or listening environments for convenient recall.
Surround Sound Modes Explained
The Onkyo TX-NR626 boasts numerous surround sound modes designed to enhance your listening experience based on the audio source and speaker configuration. Dolby Pro Logic II and DTS Neo:6 are foundational modes, upmixing stereo or 2.1 audio to fill all your speakers. For Blu-ray and streaming content, utilize Dolby TrueHD and DTS-HD Master Audio for lossless, high-fidelity surround sound.
Explore modes like “Cinema DSP” which adds acoustic enhancements simulating concert halls or club environments. “Direct” bypasses all processing for a pure audio signal. “Stereo” outputs only to the front left and right speakers.
Experiment to find what sounds best for you. Consider the source material; a movie benefits from immersive modes, while music might sound better in stereo or with minimal processing.

Network Features and Streaming
The TX-NR626 offers Wi-Fi and Ethernet connectivity, enabling access to streaming services like Spotify and Pandora, plus internet radio and firmware updates.
Streaming Services (Spotify, Pandora, etc;)
The Onkyo TX-NR626 provides seamless integration with popular streaming services, enhancing your listening experience. Access platforms like Spotify and Pandora directly through the receiver’s interface. To begin, ensure your receiver is connected to your home network via Wi-Fi or Ethernet. Navigate to the “Network” menu on the Onkyo, and select “Streaming Services.”
From there, you can choose your desired service and follow the on-screen prompts to log in to your account. Some services may require a premium subscription for full functionality. Once connected, browse and play your favorite playlists, albums, and stations with ease. The receiver supports high-quality audio streaming, delivering a rich and immersive sound. Explore the available options and enjoy a world of music at your fingertips!
Internet Radio
The Onkyo TX-NR626 allows you to explore a vast world of Internet radio stations directly through its network connectivity. Access thousands of stations from around the globe, offering diverse genres and languages. To access this feature, navigate to the “Network” menu on your receiver and select “Internet Radio.”
You can then browse stations by genre, region, or search for specific stations by name. The receiver utilizes vTuner, a popular Internet radio platform, providing a comprehensive station database. Save your favorite stations for quick access, and enjoy a continuous stream of audio content. Ensure a stable network connection for uninterrupted listening. Discover new music and stay informed with the power of Internet radio on your Onkyo TX-NR626!

Firmware Updates
Keeping your Onkyo TX-NR626’s firmware up-to-date is crucial for optimal performance and access to the latest features. Firmware updates often include bug fixes, improved compatibility, and enhanced functionality. To update, navigate to the “Setup” menu, then “Network,” and select “Firmware Update.”
The receiver will automatically check for available updates on the Onkyo server. If an update is found, follow the on-screen prompts to download and install it. Do not interrupt the update process, as this could damage the receiver. Alternatively, you can download the firmware manually from the Onkyo website (http://www.eu.onkyo.com/downloads/) and transfer it to a USB drive for installation. Regularly checking for updates ensures your TX-NR626 operates at its best.

Troubleshooting Common Issues
This section addresses typical problems like no sound, network issues, and remote control malfunctions, providing solutions to restore your Onkyo TX-NR626’s functionality.
No Sound Output
Experiencing no sound from your Onkyo TX-NR626? Several factors could be at play. First, verify the volume level on both the receiver and your connected device. Ensure the correct input source is selected on the receiver – a common oversight! Check speaker connections; loose or improperly connected wires are frequent culprits.
Confirm that your speakers are functioning correctly by testing them with another audio source. Inspect the receiver’s speaker configuration settings within the on-screen menu, ensuring they match your actual speaker setup.

If using HDMI ARC, verify ARC is enabled in both your TV and receiver settings. A faulty HDMI cable can also cause issues; try a different cable. Finally, consider a receiver reset to factory defaults as a last resort, but remember to reconfigure your settings afterward. Refer to the full manual (http://www.eu.onkyo.com/downloads/2/4/8/8/2/Manual_TX-NR626_En.pdf) for detailed diagrams.
Network Connectivity Problems
Troubleshooting network issues with your Onkyo TX-NR626? Begin by verifying your home network is functioning correctly – can other devices connect to the internet? Ensure the receiver is within range of your Wi-Fi router, or consider using a wired Ethernet connection for a more stable link.
Within the receiver’s network settings, double-check that the correct Wi-Fi password has been entered. Try restarting both your router and the Onkyo TX-NR626. If using a static IP address, confirm the settings are accurate.
Check for firmware updates (see the manual for instructions) as these often include network stability improvements. A firewall on your router might be blocking the receiver; temporarily disable it for testing (re-enable afterward!). Consult the official Onkyo manual (http://www.eu;onkyo.com/downloads/2/4/8/8/2/Manual_TX-NR626_En.pdf) for advanced network configuration options.
Remote Control Not Working
Experiencing issues with your Onkyo TX-NR626 remote? First, ensure the batteries are fresh and correctly installed, observing proper polarity. Aim the remote directly at the receiver’s front panel IR sensor, ensuring there are no obstructions. Try resetting the remote by removing and reinserting the batteries.
If the problem persists, perform a remote control reset procedure as detailed in the Onkyo TX-NR626 instruction manual (available at http://www.eu.onkyo.com/downloads/2/4/8/8/2/Manual_TX-NR626_En.pdf); This often involves a specific button combination.
Check for interference from other devices emitting infrared signals. As a test, use a mobile phone camera – if you can see the remote’s IR signal when a button is pressed, the remote is likely functioning, and the receiver’s sensor may be the issue. Consider contacting Onkyo support if problems continue.
DSP Firmware Update Instructions
Updating the DSP firmware on your Onkyo TX-NR626 is crucial for optimal performance and bug fixes, particularly addressing pop noises with HD-DTS material. Download the latest firmware from the official Onkyo website (refer to resources linked in user manuals). You’ll typically need a USB drive formatted to FAT32.
Extract the downloaded firmware file to the root directory of the USB drive. With the receiver powered on, insert the USB drive. Navigate to the “Setup” menu, then “System,” and finally “Firmware Update.” Select the USB drive as the source and follow the on-screen prompts.
Crucially, do not interrupt the update process! Power loss during the update can render the receiver inoperable. The receiver will restart automatically upon completion. Verify the new firmware version in the “Information” section of the setup menu.

Advanced Settings and Customization
Explore Zone 2 configuration, HDMI control (CEC) options, and precise audio delay adjustments to tailor the Onkyo TX-NR626 to your specific home theater needs.
Zone 2 Configuration
The Onkyo TX-NR626 allows for independent audio playback in a second zone, expanding your entertainment options throughout your home. Zone 2 configuration involves assigning specific speaker pairs to this zone, typically utilizing the rear surround speakers or a dedicated set.
Access the Zone 2 settings through the on-screen menu, where you can enable the zone, select the audio source, and adjust the volume independently from the main zone. You can choose to synchronize the audio source with the main zone or select a different input.
Consider speaker impedance when configuring Zone 2 to ensure optimal performance and prevent damage to the receiver. The manual provides detailed instructions on compatible speaker configurations for Zone 2 operation. Properly configured, Zone 2 delivers a seamless audio experience in another room without interrupting the main zone’s enjoyment.
HDMI Control (CEC) Settings
HDMI Control, also known as CEC (Consumer Electronics Control), simplifies operation by allowing connected devices to communicate via the HDMI cable. The Onkyo TX-NR626 supports CEC, enabling control of functions like power on/off and volume adjustment using your TV remote.
Access CEC settings within the receiver’s on-screen menu. You can enable or disable HDMI Control and adjust its behavior. Compatibility varies between TV manufacturers; some may label CEC differently (e.g., Bravia Sync, Anynet+).
When enabled, CEC can automatically switch inputs on the receiver based on the source device selected on your TV. Troubleshooting may be needed if devices don’t respond as expected. Refer to both the receiver and TV manuals for specific CEC configuration details to ensure seamless integration and optimal functionality.
Audio Delay Adjustment
The Onkyo TX-NR626 offers audio delay adjustment, crucial for synchronizing sound with the picture when using multiple devices or experiencing lip-sync issues. This feature compensates for processing time differences between the video and audio signals.
Access the audio delay settings through the receiver’s on-screen menu, typically measured in milliseconds (ms). Adjust the delay incrementally until the audio and video are perfectly aligned. Positive values delay the audio, while negative values advance it.
Different input sources may require separate delay settings. It’s recommended to test with content containing clear dialogue and action to accurately assess synchronization. Fine-tuning this setting ensures an immersive and enjoyable viewing experience, resolving any distracting audio-visual discrepancies.
