Introduction
Welcome to the instruction manual for your Sony XBR55X850D 55-Inch 4K Ultra HD Smart TV. This television combines 4K Ultra HD picture clarity with the contrast, color, and detail of High Dynamic Range (HDR) for a truly remarkable viewing experience. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your new television.

Figure 1: Front view of the Sony XBR55X850D 55-Inch 4K Ultra HD Smart TV.
What's in the Box
Please ensure all the following items are included in your package:
- Sony XBR55X850D 55-Inch 4K Ultra HD Smart TV
- Table Top Stand (assembly required)
- Voice Remote Control (RMF-TX200U)
- Batteries (R03)
- AC Power Cord (Pigtail, US with polarity)
- IR Blaster (IRB-BR1)
- Setup Guide
- Warranty Information
Setup
Stand Assembly
The included table top stand requires assembly. Follow the instructions in the Setup Guide for proper attachment. No screws are needed for the stand, as it is designed for easy slot-in installation. Alternatively, the TV is compatible with standard VESA wall mounts (sold separately).
Connecting Devices
Your TV features multiple input options:
- HDMI: 4 HDMI inputs (HDCP 2.2/HDMI 2.0a) are available for connecting external devices such as Blu-ray players, gaming consoles, and cable boxes. One HDMI port supports Audio Return Channel (ARC) for simplified audio connections to sound systems.
- USB: 3 USB ports allow connection of USB storage devices for media playback or other accessories.
- Ethernet/Wi-Fi: Connect to your home network via an Ethernet cable or wirelessly using the built-in Wi-Fi for Smart TV features and internet access.
- Optical Audio Output: For connecting to external audio systems that do not support ARC.
Initial Setup
Upon first power-on, the TV will guide you through the initial setup process, including network connection, Google Assistant setup, and software updates. Ensure a stable internet connection for a smooth setup.
Video 1: Overview of the Sony XBR55X850D, including physical features and connectivity options.
Operating Your TV
Smart TV Functionality
This Sony TV is equipped with Smart TV functionality, powered by Android TV. This allows you to access a wide range of apps, streaming services, and online content directly from your television. The Google Assistant is integrated, enabling voice commands for navigation, content search, and smart home control.
Remote Control
The included Voice Remote Control (RMF-TX200U) provides intuitive control over your TV. Use the dedicated buttons for common functions and the voice command feature for hands-free operation. The remote is designed for ease of use with Smart TV features.

Figure 2: Front view of the television with the screen off, highlighting its sleek design.
Key Features
- 4K Ultra HD with HDR: Experience stunning picture clarity with four times the resolution of Full HD, enhanced by High Dynamic Range for superior contrast, color, and detail.
- LED Backlight (Edge-Lit): Provides bright and uniform illumination across the screen.
- 120Hz Native Refresh Rate (Motionflow XR 960 Effective): Ensures smooth motion handling for fast-paced action scenes and sports.
- Smart Functionality: Integrated Android TV platform with Google Assistant for seamless access to apps, streaming, and voice control.
- Multiple Connectivity Options: 4 HDMI inputs (HDCP 2.2/HDMI 2.0a), 3 USB ports, and Wi-Fi connectivity.

Figure 3: Angled view of the TV highlighting the 4K HDR Ultra HD capabilities.
Specifications
| Feature | Specification |
|---|---|
| Brand | Sony |
| Model Number | XBR55X850D |
| Screen Size | 55 Inches |
| Display Technology | LED (Edge-Lit) |
| Resolution | 4K Ultra HD |
| Refresh Rate | 120Hz (Native); Motionflow XR 960 (Effective) |
| Smart Functionality | Yes (Android TV with Google Assistant) |
| HDMI Inputs | 4 (HDCP 2.2/HDMI 2.0a, 1 with ARC) |
| USB Ports | 3 |
| Connectivity Technology | Wi-Fi, Ethernet |
| Dimensions (with stand) | 48.5" W x 30.4" H x 10.4" D |
| Item Weight | 58 Pounds |
| Power Consumption | 20 watts |

Figure 4: Key dimensions of the Sony XBR55X850D TV.
Maintenance
To ensure the longevity and optimal performance of your Sony TV, follow these maintenance guidelines:
- Cleaning the Screen: Gently wipe the screen with a soft, dry microfiber cloth. For stubborn smudges, lightly dampen the cloth with water or a screen-specific cleaning solution (avoid harsh chemicals).
- Cleaning the Frame: Use a soft, dry cloth to wipe the TV frame and stand.
- Ventilation: Ensure the TV's ventilation openings are not blocked to prevent overheating.
- Power Cord: Regularly check the power cord for any damage.
Troubleshooting
If you encounter issues with your TV, refer to the following common solutions:
- No Picture/No Sound: Check all cable connections (HDMI, power, audio). Ensure the correct input source is selected. Try restarting the TV by unplugging it from the power outlet for a few minutes, then plugging it back in.
- Remote Control Not Working: Replace the batteries. Ensure there are no obstructions between the remote and the TV's IR sensor.
- Network Connection Issues: Verify your Wi-Fi password or Ethernet cable connection. Restart your router and modem.
- Smart TV Apps Not Responding: Try restarting the app or the TV. Ensure the TV's software is up to date.
Warranty and Support
Your Sony XBR55X850D TV comes with a limited warranty. Please refer to the included warranty documentation for details on coverage, terms, and conditions. For technical support, service, or additional information, please visit the official Sony support website or contact Sony customer service.
Video 2: Product overview of a Sony 4K Ultra HD Smart TV from the same model series.





