The TCL 85C805K is an 85-inch QLED Mini LED 4K HDR Smart Gaming TV designed to deliver an exceptional viewing and gaming experience. It features advanced display technologies, powerful audio, and smart functionalities powered by Google TV.

Figure 1.1: Front view of the TCL 85C805K TV, showcasing its large display and sleek design.
Carefully remove the TV and all accessories from the packaging. Retain the packaging materials for future transport or service needs.
Place the TV screen-down on a soft, flat surface. Attach the included stand components to the designated slots on the TV's bottom using the provided screws. Ensure all screws are tightened securely.

Figure 2.1: Illustration of the TV being set up on its included stand, showing the process of attaching the base.
If wall-mounting, refer to the instructions provided with your wall-mount bracket. Ensure the bracket is compatible with the TV's VESA mounting pattern and weight. Professional installation is recommended.
Connect the power cable to the TV and a power outlet. Connect any external devices (e.g., cable box, gaming console) to the appropriate HDMI or other input ports. For internet access, connect an Ethernet cable to the LAN port or prepare for Wi-Fi setup.
Upon first power-on, the TV will guide you through the initial setup process, including language selection, network connection (Wi-Fi or Ethernet), Google account sign-in, and channel scanning.
The included remote control provides access to all TV functions. Common buttons include Power, Input Source, Volume Up/Down, Channel Up/Down, Navigation (directional pad and OK), Home, Back, and dedicated app buttons.

Figure 3.1: The remote control for the TCL 85C805K TV, highlighting its layout and key function buttons.
Press the Home button on the remote to access the Google TV interface. This personalized hub organizes content from your subscriptions and apps. Use the navigation buttons to browse, select apps, and discover new content.

Figure 3.2: The Google TV interface, displaying a selection of available streaming services and content recommendations.
Access the settings menu to adjust picture modes (e.g., Standard, Movie, Game, Sports), brightness, contrast, color, and sharpness. For audio, customize sound modes, equalizer settings, and enable/disable features like Dolby Atmos.

Figure 4.1: A visual representation of Mini LED technology and its full array local dimming capabilities, showing how light is precisely controlled.

Figure 4.2: An image demonstrating the vibrant and extensive color reproduction achieved by QLED technology.

Figure 4.3: A high dynamic range image showcasing the bright and brilliant visuals possible with 1300 nits peak brightness.

Figure 4.4: A side-by-side comparison illustrating how the anti-reflection screen reduces glare compared to a conventional TV.

Figure 4.5: A visual comparison demonstrating the difference in motion clarity between 60Hz and 144Hz refresh rates during gaming.

Figure 4.6: A dynamic gaming image highlighting the smooth, tear-free experience provided by AMD FreeSync Premium Pro.

Figure 4.7: A diagram illustrating the benefits of HDMI 2.1 for gaming, emphasizing low input lag and quick response.

Figure 4.8: A visual representation of sound waves, symbolizing the immersive audio experience provided by the Onkyo sound system and Dolby Atmos.

Figure 4.9: An image depicting a user experiencing virtualized 3D sound, with sound waves illustrating the immersive audio field.

Figure 4.10: An individual interacting with the TV using hands-free voice control, demonstrating the convenience of Google Assistant.
The TCL 85C805K offers a variety of ports for connecting external devices:

Figure 5.1: A detailed diagram showing the various input and output ports available on the side and rear of the TCL 85C805K TV.
To clean the screen, gently wipe with a soft, lint-free cloth specifically designed for electronics. For the TV body, use a soft, dry cloth. Avoid using abrasive cleaners, waxes, or solvents.
Ensure your TV's software is up to date for optimal performance and new features. The TV can typically update automatically when connected to the internet, or you can manually check for updates in the settings menu.
If you encounter issues with your TV, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| No Power | Check if the power cable is securely connected to the TV and the power outlet. Ensure the outlet has power. |
| No Picture / Black Screen | Verify the correct input source is selected. Check all cable connections (HDMI, antenna). Try restarting the TV. |
| No Sound | Check the volume level and ensure the TV is not muted. Verify audio cable connections. Check sound settings. |
| Remote Control Not Working | Replace the batteries. Ensure there are no obstructions between the remote and the TV's IR sensor. |
| Network Connection Issues | Restart your router/modem. Re-enter Wi-Fi password. Try a wired Ethernet connection if possible. |
| Picture Quality Issues (e.g., blur, blooming) | Adjust picture settings. Ensure you are using high-quality source content and appropriate cables (e.g., high-speed HDMI for 4K/144Hz). |
If the problem persists after trying these solutions, please contact customer support.
Detailed technical specifications for the TCL 85C805K TV:
| Feature | Detail |
|---|---|
| Model Number | 85C805K |
| Screen Size | 85 Inches (216 cm) |
| Display Technology | Mini LED, QLED |
| Resolution | 4K (3840 x 2160) |
| Refresh Rate | 144Hz |
| HDR Support | HDR10, HLG, HDR10+, Dolby Vision, Dolby Vision IQ |
| Peak Brightness | 1300 nits |
| Operating System | Google TV |
| Audio System | Onkyo 2.0 CH 50W HI-FI, Dolby Atmos, DTS-HD |
| Connectivity | Wi-Fi, Bluetooth, HDMI 2.1 (with ALLM & eARC), USB, LAN, Optical Digital Audio Out |
| Product Dimensions (D x W x H) | 38.5 x 189.4 x 116.8 cm |
| Weight | 42 kg |
| Included Components | Power Cable, Remote Control, Stand |

Figure 8.1: Dimensional drawing of the TCL 85C805K TV, including measurements and a remote control for scale.
This product comes with a manufacturer's warranty. Please refer to the warranty card included in the packaging for specific terms and conditions, including the warranty period and coverage details.
For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact TCL customer service. Contact information can typically be found on the TCL official website or in the product's packaging materials.
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