Onkyo TX-8250 Network Stereo Receiver

1. Introduction

Thank you for purchasing the Onkyo TX-8250 Network Stereo Receiver. This manual provides essential information for setting up, operating, and maintaining your device. The TX-8250 combines powerful stereo amplification with advanced network features, allowing you to enjoy high-quality audio from various sources, including streaming services, network audio, and traditional analog components.

Please read this manual thoroughly before using the receiver to ensure proper operation and to maximize your listening experience. Keep this manual for future reference.

2. Safety Information

To ensure safe operation and prevent damage, please observe the following precautions:

• Power Source: Connect the unit only to an AC outlet of the voltage specified on the rear panel.
• Ventilation: Ensure adequate ventilation. Do not block ventilation openings. Allow sufficient space around the unit for proper airflow.
• Water and Moisture: Do not expose the unit to rain or moisture. Do not place objects filled with liquids, such as vases, on the unit.
• Foreign Objects: Do not insert any foreign objects into the unit's openings.
• Cleaning: Unplug the unit from the wall outlet before cleaning. Use a dry cloth only.
• Servicing: Do not attempt to service this unit yourself. Refer all servicing to qualified service personnel.
• Placement: Place the unit on a stable, level surface. Avoid placing it near heat sources or in direct sunlight.

3. Package Contents

Please check that all items listed below are included in the package:

• Onkyo TX-8250 Stereo Receiver
• Remote Control (RC-904S)
• 2 x AAA Batteries (for remote control)
• FM Indoor Antenna
• AM Loop Antenna
• DAB+ Antenna
• USB DAB+ Adapter
• USB Cable
• User Manual (this document)

If any items are missing or damaged, please contact your dealer immediately.

4. Product Overview

4.1 Front Panel

Image: Front view of the Onkyo TX-8250 Network Stereo Receiver. It features a central display, input selector buttons, volume knob, and various control buttons for network functions, display, and sleep mode. Headphone and Pure Audio jacks are located on the left, while USB input is on the right.

The front panel provides access to essential controls and the display. Key components include:

• Power/Standby Button: Turns the unit on or off.
• Display: Shows current input, volume level, network status, and other operational information.
• Input Selector Buttons: Allows selection of various audio sources (e.g., CD, Network, Bluetooth, Phono).
• Volume Knob: Adjusts the master volume level.
• Tone Controls: Bass and Treble knobs for adjusting audio characteristics.
• Balance Knob: Adjusts the left/right channel balance.
• Phones Jack: For connecting headphones.
• USB Port (Front): For connecting USB storage devices for audio playback.

4.2 Rear Panel

Image: Rear view of the Onkyo TX-8250 Network Stereo Receiver. It shows a comprehensive array of input and output terminals, including speaker terminals (A and B), analog RCA inputs, digital optical and coaxial inputs, Ethernet port, USB port, and antenna connections for FM, AM, and DAB+.

The rear panel houses all the input and output connections for your audio components and speakers. Key connections include:

• Speaker Terminals (A/B): Connect your main speakers. Supports two pairs of speakers.
• Analog Audio Inputs (RCA): Multiple inputs for devices like CD players, turntables (Phono), TV/Game consoles, etc.
• Digital Audio Inputs (Optical/Coaxial): For connecting digital audio sources like TVs or Blu-ray players.
• Subwoofer Pre-Out: For connecting an active subwoofer.
• Ethernet Port: For wired network connection.
• USB Port (Rear): For connecting USB storage devices or the included USB DAB+ adapter.
• Antenna Terminals: For connecting FM, AM, and DAB+ antennas.
• RI (Remote Interactive) Jack: For connecting compatible Onkyo components for integrated control.

4.3 Remote Control (RC-904S)

Image: The Onkyo RC-904S remote control. It features dedicated input selector buttons, navigation controls, volume adjustment, playback controls, and various function buttons for setup, display, and sleep timer.

The supplied remote control allows you to operate the receiver from a distance. Insert the two AAA batteries (included) into the battery compartment, ensuring correct polarity.

• Input Selector Buttons: Directly select desired input sources.
• Volume +/-: Adjusts the master volume.
• Muting: Mutes or unmutes the audio output.
• Navigation Buttons (Up/Down/Left/Right/Enter): Used for menu navigation and selection.
• Setup: Accesses the on-screen setup menu.
• Return: Returns to the previous menu or screen.
• Playback Controls: Play, Pause, Stop, Skip, Fast Forward/Rewind for network and USB playback.
• Display/Dimmer/Sleep: Controls display brightness and sets sleep timer.

5. Setup

5.1 Connections

Before making any connections, ensure the receiver and all components are turned off and unplugged from the power outlet.

1. Speaker Connection: Connect your speakers to the SPEAKER A or B terminals on the rear panel. Ensure correct polarity (+ to + and - to -). For optimal performance, use high-quality speaker cables. The TX-8250 supports speaker impedances from 4 to 16 ohms. Adjust the speaker impedance setting in the receiver's setup menu if necessary.
2. Audio Component Connection:
   • CD Player/Other Analog Devices: Connect the RCA audio output of your component to any available ANALOG IN (e.g., CD, TV/GAME) on the receiver.
   • Turntable: Connect your turntable to the PHONO input. If your turntable has a built-in phono equalizer, connect it to a regular ANALOG IN.
   • Digital Audio Sources (TV, Blu-ray Player): Connect the optical or coaxial digital audio output of your device to the OPTICAL or COAXIAL DIGITAL INPUTs on the receiver.
3. Subwoofer Connection: Connect an active subwoofer to the SUBWOOFER PRE OUT terminal.
4. Antenna Connection:
   • FM Antenna: Connect the supplied FM indoor antenna to the FM ANTENNA terminal.
   • AM Antenna: Assemble and connect the supplied AM loop antenna to the AM ANTENNA terminals.
   • DAB+ Antenna: Connect the supplied USB DAB+ adapter to the rear USB port, then connect the DAB+ antenna to the adapter.
5. Network Connection:
   • Wired: Connect an Ethernet cable from your router to the ETHERNET port on the receiver.
   • Wireless (Wi-Fi): The receiver has built-in Wi-Fi. You will configure this during initial setup.
6. Power Connection: Once all other connections are made, plug the power cord into a wall outlet.

5.2 Initial Setup

After connecting all components, follow these steps for initial setup:

1. Power On: Press the ON/STANDBY button on the front panel or remote control to turn on the receiver.
2. Speaker Impedance Setting: Access the setup menu (press SETUP on the remote) and navigate to the speaker settings. Select the appropriate speaker impedance (e.g., 4 ohms, 6 ohms, 8 ohms) to match your speakers.
3. Network Setup: If using Wi-Fi, navigate to the Network Setup menu. Select your Wi-Fi network from the list and enter the password. For wired connections, the receiver should automatically connect to your network.
4. Firmware Update: It is recommended to check for and install any available firmware updates to ensure optimal performance and access to the latest features. This can usually be done through the Network Setup menu.

6. Operating

6.1 Basic Operation

• Power On/Off: Press the ON/STANDBY button.
• Input Selection: Press the desired input selector button on the front panel or remote control (e.g., CD, NET, BLUETOOTH).
• Volume Adjustment: Turn the VOLUME knob on the front panel or use the VOLUME +/- buttons on the remote control.
• Muting: Press the MUTING button on the remote control to temporarily silence the audio. Press again to unmute.
• Tone Control: Use the BASS and TREBLE knobs to adjust the low and high frequency response.
• Balance Control: Use the BALANCE knob to adjust the left/right channel balance.
• Pure Audio Mode: Press the PURE AUDIO button to bypass tone controls and other processing for the purest audio signal.

6.2 Network Features and Streaming

The TX-8250 offers extensive network capabilities for streaming audio:

• Chromecast built-in: Stream music from Chromecast-enabled apps on your smartphone, tablet, or computer directly to the receiver.
• DTS Play-Fi: Enjoy high-quality audio streaming from compatible devices and create a multi-room audio system.
• FireConnect (Wireless Multi-room Audio): Distribute audio from network sources and external analog inputs to compatible FireConnect speakers in other rooms.
• AirPlay: Stream music from Apple devices (iPhone, iPad, iPod touch) or from iTunes on your computer.
• Bluetooth: Pair your Bluetooth-enabled smartphone, tablet, or computer to stream audio wirelessly.
• Music Streaming Services: Access popular services like Spotify, TIDAL, Deezer, and TuneIn Internet Radio directly through the receiver's network functions. Navigate these services using the remote control and the receiver's display, or via the Onkyo Controller app.
• USB Playback: Connect a USB storage device to the front or rear USB port to play audio files. The receiver supports various formats including FLAC, WAV, ALAC, DSD, AIFF, WMA, MP3, and AAC.

6.3 Radio Operation

• FM/AM Tuning: Select the TUNER input. Use the TUNING MODE button to switch between manual and automatic tuning. Use the TUNING +/- buttons to find stations.
• DAB+ Tuning: Select the DAB+ input (if using the USB DAB+ adapter). The receiver will scan for available DAB+ stations.
• Preset Stations: Store your favorite FM/AM/DAB+ stations as presets for quick access.

7. Maintenance

7.1 Cleaning

• Always unplug the receiver from the power outlet before cleaning.
• Use a soft, dry cloth to wipe the exterior surfaces.
• For stubborn stains, dampen the cloth lightly with water or a mild, non-abrasive cleaner. Do not use harsh chemicals or abrasive materials.
• Avoid spraying liquids directly onto the unit.

7.2 Storage

• If you plan to store the receiver for an extended period, disconnect all cables and the power cord.
• Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures.
• Protect the unit from dust by covering it with a cloth or placing it in its original packaging.

8. Troubleshooting

If you experience problems with your TX-8250, refer to the following common issues and solutions:

If the problem persists after trying these solutions, please contact Onkyo customer support or a qualified service technician.

9. Specifications

The following specifications are subject to change without notice.

10. Warranty and Support

For warranty information, please refer to the warranty card included with your product or visit the official Onkyo website for details specific to your region. Keep your purchase receipt as proof of purchase.

For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Onkyo customer support through their official website or the contact information provided in your product documentation.

Onkyo Official Website: www.onkyo.com