Onkyo TX-NR757 7.2-Channel Network A/V Receiver Instruction Manual

1. Introduction

The Onkyo TX-NR757 is a 7.2-channel network A/V receiver designed to deliver high-quality audio and video experiences. It supports advanced audio formats like Dolby Atmos and DTS:X, and features THX-Certified amplification. This receiver integrates network capabilities for streaming and offers extensive connectivity options for various home theater components.

Key features include 180 W/Ch amplification, 8 HDMI inputs and 2 outputs supporting 4K/60 Hz, HDCP 2.2, and HDR. It also provides Powered Zone 2 for multi-room audio, and supports various streaming services via Google Cast, AirPlay, Wi-Fi, and Bluetooth. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your TX-NR757 receiver.

2. Setup

2.1 Unpacking

Carefully remove all components from the packaging. Ensure the following items are present:

• Onkyo TX-NR757 A/V Receiver
• Indoor FM antenna
• AM loop antenna
• Speaker setup microphone
• Remote controller
• AAA (R03) batteries x 2
• Instruction manual (this document)

2.2 Connecting Your Receiver

Before making any connections, ensure the receiver and all connected devices are powered off and unplugged from the AC outlet.

2.2.1 Speaker Connections

Connect your speakers to the corresponding terminals on the rear panel. The TX-NR757 supports a 7.2-channel configuration and offers bi-amping capability for front channels. Ensure correct polarity (+ to + and - to -) for all speaker connections.

2.2.2 HDMI Connections

Connect your video sources (e.g., Blu-ray player, game console, streaming device) to the HDMI IN ports. Connect your TV or projector to one of the HDMI OUT ports. The receiver features 8 HDMI inputs and 2 outputs, supporting 4K/60 Hz, HDCP 2.2, HDR, 3D, ARC, Dolby Atmos, Dolby TrueHD, DTS:X, and DTS-HD Master Audio.

2.2.3 Network Connection

For network features, connect an Ethernet cable from your router to the receiver's ETHERNET port, or use the built-in Wi-Fi functionality. Refer to the on-screen display for Wi-Fi setup.

2.2.4 Other Audio/Video Connections

Connect other audio sources (e.g., CD player, turntable via PHONO input) using optical, coaxial, or analog RCA cables as appropriate.

Image 1: Rear Panel Connections. This image displays the comprehensive rear panel of the Onkyo TX-NR757 A/V Receiver, highlighting the numerous HDMI, speaker, and other audio/video input/output ports for connecting various home theater components.

2.3 Initial Configuration

After connecting all components, power on the receiver and your display. Follow the on-screen setup guide. Use the included speaker setup microphone and the AccuEQ room acoustic calibration system to automatically optimize speaker settings for your listening environment. AccuReflex technology helps to clearly focus object-based soundtracks.

3. Operation

3.1 Basic Playback

Use the input selector buttons on the front panel or remote control to choose your desired source (e.g., BD/DVD, CBL/SAT, GAME). Adjust the master volume using the large knob on the front panel or the VOL +/- buttons on the remote.

Image 2: Front Panel Overview. This image shows the front panel of the Onkyo TX-NR757 A/V Receiver, featuring the main display, input selectors, volume knob, and other control buttons.

Image 3: Remote Control. This image displays the remote control unit for the Onkyo TX-NR757 receiver, illustrating its layout of input selection, volume, navigation, and playback control buttons.

3.2 Network Features

The TX-NR757 offers extensive network capabilities:

• Streaming Services: Access popular internet music subscription services such as TuneIn Radio, Pandora, Spotify, Tidal, and Deezer (availability may vary by region and require subscription/firmware update).
• Google Cast: Stream audio from compatible mobile apps directly to the receiver.
• AirPlay: Stream music from Apple devices.
• Wi-Fi & Bluetooth: Connect wirelessly for audio streaming from various devices.
• Hi-Res Audio Playback: Play compressed, lossless, and hi-res audio files (MP3, WMA, FLAC, WAV, AAC, Apple Lossless, DSD 5.6 MHz, Dolby TrueHD) via your local network.

3.3 Multi-Zone Audio

The receiver includes Powered Zone 2, Zone 2 A/B, and Zone 2 Line Out features, allowing for distributed analog/digital audio playback in a separate room. This enables you to enjoy different audio sources in different areas of your home simultaneously.

4. Maintenance

To ensure optimal performance and longevity of your Onkyo TX-NR757 receiver, follow these maintenance guidelines:

• Cleaning: Gently wipe the exterior surfaces with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or chemical sprays, as these can damage the finish.
• Ventilation: Ensure adequate ventilation around the receiver. Do not block the ventilation openings on the top or sides. Avoid placing the unit in an enclosed cabinet without proper airflow.
• Power Cord: Periodically check the power cord for any signs of damage. If damaged, discontinue use and contact customer support.
• Firmware Updates: Regularly check for and install firmware updates to ensure your receiver has the latest features and performance enhancements. These can typically be performed via the network connection.

5. Troubleshooting

If you encounter issues with your Onkyo TX-NR757 receiver, refer to the following common troubleshooting steps:

• No Power: Ensure the power cord is securely plugged into both the receiver and a working AC outlet. Check if the power outlet is functional.
• No Sound: Verify that the correct input source is selected. Check all speaker connections for proper polarity and secure fit. Ensure the volume is not muted or set too low. Confirm that the audio output settings on your source device are correctly configured.
• No Picture: Confirm that the correct HDMI input is selected on the receiver and the correct input is selected on your TV. Check all HDMI cable connections. Ensure your source device is powered on and outputting video.
• Network Connection Issues: Verify your Ethernet cable connection or Wi-Fi settings. Restart your router and the receiver. Ensure the receiver's firmware is up to date.
• Remote Control Not Working: Check the batteries in the remote control and replace them if necessary. Ensure there are no obstructions between the remote and the receiver's IR sensor.
• Distorted Sound: Check speaker impedance compatibility. Ensure speaker wires are not frayed or shorting. Reduce the volume if distortion occurs at high levels.

For more detailed troubleshooting or persistent issues, consult the full user manual available on the Onkyo support website or contact Onkyo customer support.

6. Specifications

7. Warranty and Support

For information regarding the product warranty, please refer to the warranty card included with your receiver or visit the official Onkyo website. The warranty period and terms may vary by region.

If you require technical assistance, have questions about your product, or need to arrange for service, please contact Onkyo customer support. Support contact details can typically be found on the Onkyo website or in the documentation provided with your product.

Online resources, including FAQs, firmware updates, and additional manuals, are often available on the official Onkyo support portal.