1. Introduction
Welcome to the user manual for your new TCL 40S310R 40-inch Full HD Smart TV. This guide provides essential information for setting up, operating, and maintaining your television. The TCL 40S310R offers a Full HD (1920x1080) resolution display, integrated Roku OS for smart features, Dolby Digital audio, and versatile connectivity options including dual-band Wi-Fi and Bluetooth.
Please read this manual thoroughly before using your TV to ensure proper operation and to maximize your viewing experience.
2. What's in the Box
Carefully unpack your TCL 40S310R Smart TV and check for the following items:
- TCL 40S310R 40-inch FHD Smart TV
- Remote Control
- TV Stands (2)
- Screws for TV Stands
- Power Cable
- Quick Start Guide
- Warranty Card
If any items are missing or damaged, please contact customer support.
3. Setup
3.1 Physical Installation
You can install your TV on a tabletop using the included stands or mount it on a wall (wall mount sold separately).
Attaching the TV Stands:
- Place the TV face down on a soft, flat surface to prevent screen damage.
- Align each stand with the corresponding screw holes on the bottom of the TV.
- Secure the stands using the provided screws.

Image: Front view of the TCL 40S310R Smart TV with its stands attached, displaying a vibrant blue abstract image on screen.
3.2 Connections
Connect your TV to power and other devices.
Power Connection:
Plug the power cable into the TV's power input and then into a wall outlet.
Input Ports:
The TV features various input ports for connecting external devices:
- HDMI (x3): For connecting Blu-ray players, game consoles, cable boxes, etc. One port supports ARC (Audio Return Channel).
- USB (x1, 2.0): For connecting USB storage devices to play media.
- Optical: For digital audio output to soundbars or home theater systems.
- AV Input: For connecting older devices using composite video and stereo audio cables.
- Headphone: For connecting headphones.
- Ethernet: For a wired internet connection.

Image: Rear view of the TCL 40S310R Smart TV, highlighting the various input and output ports available for connectivity.

Image: An overview of the TCL 40S310R Smart TV's key features, including Roku TV, FHD resolution, voice assistant compatibility, Dolby Digital Plus audio, and dual-band Wi-Fi.
3.3 Initial Setup
After connecting power, turn on the TV. The initial setup wizard will guide you through the following steps:
- Language Selection: Choose your preferred language.
- Country/Region Selection: Select your country for appropriate channel and service settings.
- Network Connection: Connect to your home Wi-Fi network or use an Ethernet cable.
- Roku Account Setup: Follow the on-screen instructions to create or log in to your Roku account. This is required to access streaming channels and smart features.
- Channel Scan: If using an antenna, the TV will scan for available over-the-air channels.
Video: A short clip demonstrating the initial setup process of the TCL Smart TV, including language selection and country settings. This video also highlights the TV's Dolby Audio and Wi-Fi capabilities.
4. Operating Instructions
4.1 Remote Control
The included remote control allows you to navigate the TV's interface and control various functions. Familiarize yourself with the buttons for power, volume, channel selection, and Roku OS navigation.

Image: A screenshot of the TCL Roku TV home screen, showing various streaming app icons and menu options like Home, Search, Streaming Channels, and Settings.
4.2 Roku OS Navigation
The TCL 40S310R runs on Roku OS, providing a user-friendly interface for accessing streaming content and TV settings.
- Home Screen: Displays your installed streaming channels, input selections, and system settings.
- Streaming Channels: Access thousands of free and paid streaming channels.
- Search: Use the search function to find movies, TV shows, actors, and channels across various services.
- Settings: Adjust picture, sound, network, and system preferences.
4.3 Voice Control
The TV is compatible with popular voice assistants, allowing you to control it using voice commands. This feature works with Apple AirPlay, Apple HomeKit, Alexa, and Hey Google.

Image: An icon representing voice assistant compatibility, indicating the TV can be controlled via voice commands.
4.4 Picture and Sound Settings
Customize your viewing and listening experience through the TV's settings menu.
- Picture Modes: Select from various preset picture modes (e.g., Standard, Movie, Vivid) or customize settings like brightness, contrast, and color. The Full HD display provides enhanced detail and clarity.
- Sound Modes: Choose sound modes (e.g., Standard, Music, Movie) or adjust bass and treble. Dolby Digital Plus ensures rich and immersive audio.

Image: A visual comparison demonstrating the superior detail, sharpness, and clarity of Full HD (FHD) resolution compared to standard definition.

Image: A graphic illustrating the Dolby Digital Plus audio feature, emphasizing how it transforms conventional sounds into an extraordinary audio experience.
5. Maintenance
5.1 Cleaning the TV
To clean the screen and cabinet, use a soft, dry, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a mild screen cleaner. Avoid using harsh chemicals, abrasives, or solvents.
5.2 General Care
- Do not block ventilation openings on the back of the TV.
- Keep the TV away from direct sunlight, heat sources, and excessive dust.
- Unplug the TV during lightning storms or when it will be unused for extended periods.
6. Troubleshooting
If you encounter issues with your TV, refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| No power | Ensure the power cable is securely connected to the TV and a working electrical outlet. Check if the outlet has power. |
| No picture, but sound is present | Check the input source. Ensure external devices are powered on and connected correctly. Try a different HDMI cable. |
| No sound, but picture is present | Check the volume level and mute status. Verify audio output settings (e.g., internal speakers, external audio system). |
| Remote control not working | Replace the batteries in the remote. Ensure there are no obstructions between the remote and the TV's IR sensor. |
| Cannot connect to Wi-Fi | Ensure your Wi-Fi router is on and working. Re-enter the Wi-Fi password. Try restarting both the TV and the router. The TV supports dual-band Wi-Fi for stable connections. |
| Picture quality is poor | Adjust picture settings (brightness, contrast, sharpness). Ensure the input source is providing a high-quality signal. For antenna, adjust antenna position. |
If the problem persists after trying these solutions, please contact TCL customer support.
7. Specifications
Below are the technical specifications for the TCL 40S310R 40-inch FHD Smart TV:
| Feature | Specification |
|---|---|
| Model | 40S310R |
| Screen Size | 40 Inches |
| Display Technology | LED |
| Resolution | Full HD (1920 x 1080) / 2K |
| Refresh Rate | 120 Hz |
| Operating System | Roku OS |
| Audio Technology | Dolby Digital |
| Connectivity | Bluetooth, Ethernet, HDMI (x3), Wi-Fi (Dual-band) |
| USB Ports | 1 (USB 2.0) |
| Aspect Ratio | 16:9 |
| Mounting Type | Tabletop Stand |
| Product Dimensions (with stand) | 8.1 x 90 x 52 cm (Depth x Width x Height) |
| Product Weight | 7.44 kg |
| Model Year | 2023 |

Image: Diagram showing the dimensions of the TCL 40S310R 40-inch Smart TV, including width (89.2 cm), height (55.8 cm), and stand depth (18.4 cm).
8. Warranty and Support
Your TCL 40S310R Smart TV comes with a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions, including the warranty period and coverage details.
For technical support, troubleshooting assistance, or warranty claims, please visit the official TCL support website or contact their customer service directly. Keep your purchase receipt and product serial number handy when contacting support.
Online Support: www.tcl.com





