1. Introduction
This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your Hisense 65-Inch Class U8 Series Mini-LED ULED 4K UHD Google Smart TV (65U8K). Please read this manual thoroughly before using your television to ensure proper operation and safety.
2. What's in the Box
Upon unpacking, please verify that all the following items are included:
- TV Unit
- Power Cable
- Remote Control (2 AAA batteries included)
- TV Stand (with necessary screws)

Figure 2.1: The Hisense 65U8K TV unit, remote control, power cable, and stand components as typically found in the box. Dimensions for the TV with and without the stand are also illustrated.
3. Setup
3.1 Attaching the Stand
The TV stand is designed for stability and can be adjusted to accommodate soundbars. Follow these steps to securely attach the stand:
- Carefully place the TV screen-down on a soft, flat surface to prevent damage.
- Identify the stand legs and the base plate. The stand offers two height positions.
- Align the stand legs with the screw holes on the bottom of the TV.
- Secure the legs using the provided screws. Ensure they are tightened firmly.
- Attach the counterweight base plate to the bottom of the stand for added stability.

Figure 3.1: Rear view of the Hisense 65U8K TV showing the attached stand. The stand is designed to provide stable support for the television.
3.2 Connecting Peripherals
The TV features various ports for connecting external devices:
- HDMI Ports: 4 HDMI ports are available. Two support HDMI 2.1 (4K@144Hz), with one also supporting eARC.
- USB Ports: Includes 1 USB 3.0 port and 1 USB 2.0 port.
- Ethernet (LAN): For wired network connection.
- Digital Audio Out (Optical): For connecting to external audio systems.
- AV Input: For older devices (adapter may be required).
- Antenna/Cable Input: For connecting an antenna or cable TV.

Figure 3.2: Side view of the Hisense 65U8K TV displaying the various input and output ports, including HDMI, USB, and audio connections.

Figure 3.3: Rear view of the Hisense 65U8K TV highlighting the LAN, Digital Audio Out, and additional USB ports for various connectivity needs.
For optimal cable management, route cables through the designated channels in the stand.
3.3 Initial Power-On and Setup
After connecting all necessary cables, plug the power cable into an electrical outlet. The TV will guide you through the initial setup process, including network connection and Google TV configuration. A software update may be available upon first use; it is recommended to install it for optimal performance.
Video 3.1: An overview of the Hisense U8K Google Smart TV, demonstrating its features and initial setup process. This video is provided by Hisense.
4. Operating the TV
4.1 Remote Control
The included remote control provides easy navigation and access to all TV functions. It features dedicated buttons for popular streaming services and voice control via Google Assistant.

Figure 4.1: The remote control for the Hisense 65U8K TV, highlighting its ergonomic design and quick access buttons for various applications and voice commands.
4.2 Google TV Interface
The Hisense 65U8K runs on Google TV, offering a personalized and intuitive user experience. Access your favorite apps, movies, shows, and live TV channels directly from the home screen. Use the "Hey Google" voice command for hands-free control.
4.3 Picture and Sound Settings
Customize your viewing and listening experience through the TV's extensive settings menu:
- Picture Modes: Select from various preset modes (e.g., Standard, Vivid, Sports, Filmmaker Mode) or customize brightness, contrast, color, and clarity.
- Sound Modes: Choose from modes like Standard, Theater, Sports, or Music. The TV features 2.1.2 Multi-Channel Audio with a built-in subwoofer for immersive sound.
- Intelligent Settings: Utilize AI features for automatic picture and sound adjustments based on content and room environment.
- Game Mode Pro: Automatically optimizes settings for gaming, including 144Hz VRR, ALLM, and AMD FreeSync Premium Pro.
5. Key Features
- Mini-LED ULED Technology: Delivers precise light management, incredible detail, and up to 1500 nits peak brightness.
- Quantum Dot Color: Produces over a billion shades of vivid color for a lifelike picture.
- 4K UHD Resolution: Offers stunning clarity and detail.
- 144Hz Game Mode Pro: Provides a smooth gaming experience with Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM).
- Dolby Vision IQ & HDR10+: Supports major HDR formats for enhanced contrast and color.
- Dolby Atmos & DTS Virtual:X: Creates an immersive audio experience.
- HDMI 2.1 Connectivity: Essential for next-gen gaming consoles and high-bandwidth devices.
- Wi-Fi 6E & NEXTGEN TV ATSC 3.0: Ensures future-proof connectivity and broadcast compatibility.
Video 5.1: A promotional video from Hisense showcasing the premium features of the U7K and U8K series, including Mini-LED technology and advanced audio capabilities.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Hisense |
| Model Number | 65U8K |
| Screen Size | 65 Inches |
| Display Technology | Mini-LED ULED (QLED) |
| Resolution | 4K UHD (3840 x 2160) |
| Refresh Rate | 144 Hz |
| Peak Brightness | 1500 Nits |
| HDR Support | Dolby Vision IQ, HDR10, HDR10+, HLG |
| Audio System | 2.1.2 Multi-Channel Audio, 50W Output, Subwoofer, Dolby Atmos, DTS Virtual:X |
| Smart TV Platform | Google TV |
| Voice Assistant | Google Assistant, Alexa Compatibility |
| Connectivity | Wi-Fi 6E, Bluetooth, Ethernet, 4x HDMI (2x HDMI 2.1), 2x USB |
| Dimensions (with stand) | 57.2" W x 35.5" H x 12.6" D |
| Dimensions (without stand) | 57.2" W x 33.1" H x 3" D |
| Item Weight | 80.8 pounds (36.74 Kilograms) |
| VESA Wall Mount Size | 400x400mm (15.7x15.7 inches) |

Figure 6.1: Rear view of the Hisense 65U8K TV illustrating the VESA mounting points and dimensions for wall installation.
7. Maintenance
To ensure the longevity and optimal performance of your Hisense TV, follow these maintenance guidelines:
- Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a specialized screen cleaner. Avoid harsh chemicals or abrasive materials.
- Cleaning the Frame: Use a soft, dry cloth to clean the TV frame.
- Ventilation: Ensure the TV's ventilation openings are not blocked to prevent overheating.
- Power Off: Unplug the TV from the power outlet during lightning storms or when it will be left unattended for long periods.
8. Troubleshooting
If you encounter issues with your TV, try the following common troubleshooting steps:
- No Power: Check if the power cable is securely plugged into both the TV and the outlet. Try a different outlet.
- No Picture/Sound: Verify correct input selection. Check all cable connections (HDMI, AV, etc.). Restart connected devices.
- Remote Not Working: Replace batteries. Ensure no obstructions between the remote and the TV's IR sensor.
- Software Issues: Perform a factory reset (Note: this will erase all personalized settings). Check for available software updates in the TV's settings menu.
- Local Dimming/VRR Issues: Some users have reported intermittent issues with local dimming when VRR is enabled. Ensure your TV software is up to date, as Hisense frequently releases updates to address such concerns.
9. Warranty & Support
Your Hisense 65U8K TV comes with a 2-year warranty. For detailed warranty terms and conditions, please refer to the documentation included with your product or visit the official Hisense website.
For technical support, customer service, or to inquire about protection plans, please contact Hisense customer support:
- Phone: +1 (888) 935-8880
- Website: hisense-usa.com
Extended protection plans are available for purchase from various retailers, including 4-Year Protection Plans and Complete Protect monthly plans.





