1. Introduction
The TCL 65-Inch Class S4 4K LED Smart TV with Fire TV (Model 65S450F) offers a premium viewing experience with stunning 4K HDR picture quality and integrated smart features. This manual provides essential information for setting up, operating, and maintaining your new television.
Key Features:
- 4K Ultra HD Resolution: Enjoy incredible detail with four times the resolution of 1080p Full HDTVs.
- Motion Rate 120: Enhanced motion clarity for fast-paced scenes.
- HDR PRO (Dolby Vision, HDR10, HLG): Experience enhanced contrast, accurate colors, and fine details.
- Dolby Atmos: Immersive cinematic audio experience built-in.
- Fire TV Built-in: Access over 1 million movies and TV episodes from popular streaming services.
- Auto Game Mode (ALLM): Automatically reduces input lag for optimal gaming performance.
- FullView Metal Bezel-less Design: An elegant, modern design that seamlessly blends into any home.
- Multiple HDMI Inputs: Three high-speed HDMI inputs (one with eARC) for versatile connectivity.
- Voice Control: Works with Amazon Alexa and Apple HomeKit for easy content control.
2. Setup
What's in the Box:
- TCL 65-Inch Class S4 4K LED Smart TV
- Stand
- Remote Control
- 2x AAA Remote Control Batteries
- Power Cord
- Quick Start Guide
Unboxing and Stand Installation:
Carefully remove the TV from its packaging. If using the included stand, attach the stand legs to the bottom of the TV using the provided screws. Ensure the TV is placed on a stable, flat surface. Alternatively, the TV is compatible with VESA wall mounts (sold separately) for wall installation.
Video: A user demonstrates the unboxing process of a TCL Fire TV, including the installation of the stand. This video highlights the ease of initial setup.
Connecting Power and Devices:
- Connect the power cord to the TV and then to a power outlet.
- For external devices like gaming consoles, set-top boxes, or AV receivers, use the available HDMI inputs. The TV features three HDMI inputs, with one supporting eARC for enhanced audio return.
- For older devices, an AV input adapter may be used.
- An Ethernet port is available for a wired internet connection, or you can connect via Wi-Fi during the initial setup.

Image: This image displays the back panel of the TCL 65S450F television, highlighting the arrangement of its input and output ports, including HDMI, USB, Ethernet, and optical audio connections.
3. Operating Your TCL Fire TV
Initial Setup and Fire TV Interface:
Upon first power-on, follow the on-screen instructions to connect to your Wi-Fi network, sign in to your Amazon account, and personalize your Fire TV experience. The Fire TV interface provides easy access to streaming apps, live TV, and device settings.

Image: The Fire TV home screen is shown, featuring a grid of popular streaming applications and content recommendations, demonstrating the user-friendly interface.
Remote Control and Voice Commands:
The included remote control is designed for intuitive navigation. Use the directional pad to browse menus and select options. Dedicated buttons provide quick access to popular streaming services. For hands-free control, press and hold the voice button on the remote and speak commands to Alexa to find content, launch apps, or control smart home devices.

Image: This close-up view of the TCL Fire TV remote control illustrates its ergonomic design and clearly labeled buttons, including quick access buttons for streaming platforms and the Alexa voice command button.
Streaming and Entertainment:
With Fire TV built-in, you can stream from a vast library of content. Access services like Netflix, Prime Video, Disney+, Hulu, Peacock, and more. The TV also supports live and free TV options through various apps. Bluetooth Personal Audio allows you to connect compatible headphones or soundbars for a personalized listening experience.

Image: The TV is shown on a media console with a soundbar, emphasizing the convenience of connecting external audio devices via Bluetooth for enhanced sound.
Gaming Features:
The Auto Game Mode (ALLM) automatically detects when a gaming console is connected and switches to a low-latency mode, providing a smoother and more responsive gaming experience.

Image: A dynamic video game scene is displayed on the TCL TV, illustrating the benefits of Auto Game Mode (ALLM) for an optimized gaming experience.
Video: This video showcases the TCL Smart TV's clear image and ease of use, demonstrating the quick navigation through the Fire TV interface and app loading times.
Video: A user reviews the TCL TV, highlighting its suitability for gaming and movies, and praising the picture quality and overall performance.
4. Specifications
| Feature | Specification |
|---|---|
| Brand | TCL |
| Model Number | 65S450F |
| Screen Size | 65 Inches |
| Display Technology | LED |
| Resolution | 4K Ultra HD |
| Refresh Rate | 60 Hz (Motion Rate 120) |
| HDR Support | Dolby Vision, HDR10, HLG |
| Audio Technology | Dolby Atmos |
| Smart TV Platform | Fire TV |
| Voice Assistant | Alexa Built-in |
| Connectivity | 3 HDMI Inputs (1 with eARC), Wi-Fi, Ethernet |
| Product Dimensions | 3.2"D x 56.9"W x 32.8"H |
| Item Weight | 31.1 Pounds |
| Special Features | Bezel-Less Design, Auto Game Mode (ALLM) |
5. Troubleshooting
Common Issues and Solutions:
- No Power: Ensure the power cord is securely connected to both the TV and a working power outlet. Try a different outlet.
- No Picture/Sound: Verify that the correct input source is selected. Check all cable connections (HDMI, AV). For external devices, ensure they are powered on.
- Poor Picture Quality: Ensure you are using high-quality HDMI cables, especially for 4K content. Adjust picture settings (brightness, contrast, sharpness) in the TV menu.
- Remote Not Responding: Replace the remote control batteries. Ensure there are no obstructions between the remote and the TV's IR sensor.
- Network Connectivity Issues: Check your Wi-Fi router and internet connection. Restart both the TV and your router. For wired connections, ensure the Ethernet cable is properly connected.
- App Freezing/Slow Performance: Restart the TV by unplugging it from the power outlet for a few minutes and then plugging it back in. Ensure your TV's software is up to date.
6. Maintenance
Cleaning Your TV:
- Screen: Gently wipe the screen with a soft, dry microfiber cloth. For stubborn smudges, lightly dampen the cloth with water or a specialized screen cleaner (never spray directly onto the screen).
- Frame and Stand: Use a soft, dry cloth to wipe dust from the TV frame and stand.
- Avoid: Do not use harsh chemicals, abrasive cleaners, or solvents as they can damage the TV's finish.
General Care:
- Keep the TV away from direct sunlight and heat sources.
- Ensure adequate ventilation around the TV to prevent overheating.
- Protect the TV from moisture and extreme temperatures.
7. Warranty and Support
For warranty information, please refer to the documentation included with your product or visit the official TCL support website. If you encounter any issues not covered in this manual, please contact TCL customer support for assistance. Keep your purchase receipt and model number handy when contacting support.





