Introduction
This manual provides essential instructions for the safe and efficient operation of your Sony STR-DN850 7.2 Channel 4K AV Receiver. Please read this manual thoroughly before using the receiver and retain it for future reference. The STR-DN850 is designed to deliver powerful, high-fidelity audio and video performance, featuring built-in Wi-Fi, Bluetooth, and 4K pass-through capabilities.
What's in the Box
Verify that all items listed below are included in your package:
- Sony STR-DN850 7.2-Channel Wi-Fi Network AV Receiver
- Remote Control
- 2 AAA Batteries (for remote control)
- FM Antenna
- AM Antenna
- Auto Calibration Microphone
- Limited 2-Year Warranty Information
Product Overview
Front Panel
The front panel provides access to basic controls and input ports for convenient connectivity.

Image Description: A front-angled view of the black Sony STR-DN850 AV Receiver. The front panel features a central display, an input selector knob on the left, and a larger master volume knob on the right. Below the display, there are buttons for various functions like A.F.D./2CH, MOVIE, MUSIC, SOUND OPTIMIZER, CONNECTION/PAIRING, BLUETOOTH, DISPLAY, and DIMMER. On the lower left, there's a power button, a headphone jack, an AUTO CAL MIC input, and a USB port.
Rear Panel
The rear panel houses all the necessary input and output connections for your home theater system.

Image Description: A detailed view of the rear panel of the Sony STR-DN850 AV Receiver. It displays a comprehensive array of connection ports, including multiple HDMI IN and one HDMI OUT, COAXIAL and OPTICAL digital audio inputs, various analog audio inputs (SAT/CATV, VIDEO, TV, CD/SACD, GAME), composite video inputs and monitor out, and a set of speaker terminals for 7.2 channel configuration (FRONT A, CENTER, SURROUND, SURROUND BACK/BI-AMP/FRONT HIGH/FRONT B). There are also antenna connections for AM and FM, and an Ethernet port.
Setup
1. Connecting Speakers
Connect your speakers to the corresponding terminals on the rear panel. Ensure correct polarity (+ to + and - to -) for optimal sound performance. The receiver supports a 7.2 channel configuration. For bi-amping or front high speakers, refer to the detailed wiring diagrams in the full manual.
2. Connecting Source Devices
Use HDMI cables for connecting devices like Blu-ray players, game consoles, and cable boxes to the HDMI IN ports. For devices without HDMI, use optical, coaxial, or analog audio/video connections as appropriate.
- HDMI: Connect HDMI OUT from your source devices to HDMI IN on the receiver. Connect the receiver's HDMI OUT to your TV or projector.
- Optical/Coaxial: For digital audio from devices like older TVs or CD players.
- Analog Audio: For traditional audio components.
3. Initial Setup and Auto Calibration
After connecting all devices and speakers, power on the receiver and your TV. Follow the on-screen instructions for initial setup. Use the supplied auto calibration microphone to automatically optimize speaker settings for your listening environment. Place the microphone at your primary listening position and initiate the calibration process.
4. Network Setup (Wi-Fi & Bluetooth)
The STR-DN850 features built-in Wi-Fi and Bluetooth for network and wireless audio streaming.
- Wi-Fi: Access the network settings menu on your TV screen via the receiver. Select your Wi-Fi network and enter the password. This enables features like AirPlay, DLNA, and internet radio.
- Bluetooth: Activate Bluetooth on your mobile device. On the receiver, select the Bluetooth input. Pair your device with the receiver. For NFC-compatible devices, simply touch your device to the receiver's NFC logo for instant pairing.
Operating Instructions
Basic Operations
- Power On/Off: Use the power button on the front panel or remote control.
- Input Selection: Use the INPUT SELECTOR knob on the front panel or the input buttons on the remote to choose your desired source (e.g., BD/DVD, GAME, SAT/CATV).
- Volume Control: Adjust the MASTER VOLUME knob or the volume buttons on the remote.
- Sound Modes: Select various sound fields (e.g., MOVIE, MUSIC, A.F.D./2CH) to optimize audio for different content.
Bluetooth and NFC Streaming
The STR-DN850 allows seamless wireless audio streaming from compatible devices using Bluetooth and NFC technology. This feature enables you to play music from your smartphone, tablet, or computer directly through your home theater system.
Video Description: This video demonstrates the ease of connecting and streaming music to the Sony STR-DN850 AV Receiver using Bluetooth and Near Field Communication (NFC). It shows a smartphone being tapped against the receiver to establish a connection, followed by the user selecting and playing music from their device, highlighting the seamless integration of personal audio with the home theater system.
To stream via Bluetooth:
- Ensure Bluetooth is enabled on your mobile device.
- On the receiver, select the 'BLUETOOTH' input.
- On your device, search for available Bluetooth devices and select 'STR-DN850'.
- Once paired, you can play audio from your device, and it will output through the receiver.
For NFC-compatible devices, simply touch the device to the NFC logo on the receiver's front panel to establish a connection automatically.
Wi-Fi and Network Features
Utilize the receiver's Wi-Fi connectivity for advanced network features:
- AirPlay: Stream audio wirelessly from Apple devices.
- DLNA: Access music files stored on your home network (e.g., from a PC or NAS).
- Internet Radio: Enjoy a wide variety of online radio stations.
- Music Services: Access integrated music streaming services (e.g., Spotify).
Maintenance
To ensure the longevity and optimal performance of your receiver, follow these maintenance guidelines:
- Cleaning: Wipe the exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Ventilation: Ensure adequate ventilation around the unit to prevent overheating. Do not block ventilation openings.
- Power Cord: Regularly check the power cord for any damage. Disconnect the power cord from the wall outlet if the unit will not be used for an extended period.
Troubleshooting
If you encounter issues with your receiver, refer to the following common solutions before contacting support:
- No Power: Check if the power cord is securely connected and the wall outlet is functioning.
- No Sound: Verify speaker connections, input selection, and volume level. Ensure mute is not activated. Check audio settings on the source device.
- No Picture: Confirm HDMI connections between the source, receiver, and TV. Ensure the correct input is selected on both the receiver and TV.
- Bluetooth Pairing Issues: Ensure the receiver is in Bluetooth pairing mode and your device is discoverable. Try restarting both devices.
- Network Connection Failure: Check your Wi-Fi router and network settings. Ensure the receiver is within range of your Wi-Fi signal.
- System Reset: If problems persist, a factory reset may resolve software-related issues. Refer to the full manual for instructions on performing a factory reset. Note that this will erase all custom settings.
Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 19.61 x 15.67 x 8.94 inches |
| Item Weight | 18.74 pounds |
| Item Model Number | STRDN850 |
| Connectivity Technology | Bluetooth, Wi-Fi, HDMI Video In/Out (4/1); Composite Video Input (2); Composite Monitor Out (1); Opt Audio Input (2); Coax. Audio Input (1); Analog Audio Input (4); Headphone Output; USB (1 Front: iPhone/WM); MHL (1 Rear) |
| Total HDMI Ports | 5 |
| Audio Output Mode | Surround |
| Surround Sound Channel Configuration | 7.2 Channel |
| Video Encoding | H.264, H.265/HEVC |
| Special Feature | Spotify |
| Compatible Devices | Speaker, Smartphone, Tablet, Television, Personal Computer |
Warranty and Support
Your Sony STR-DN850 AV Receiver comes with a Limited 2-Year Warranty. Please refer to the warranty documentation included in your package for detailed terms and conditions. For technical support, service, or further assistance, please visit the official Sony support website or contact Sony customer service. Keep your purchase receipt and model number handy for faster service.
Online Support: www.sony.com/electronics/support