1. Introduction
This manual provides essential information for the setup, operation, maintenance, and troubleshooting of your TCL 40S5400A 40-inch LED Full HD Android TV. Please read this manual thoroughly before using your television to ensure proper and safe operation.

Image 1.1: Front view of the TCL 40S5400A 40-inch LED Full HD Android TV.
2. Setup
2.1 Unboxing and Package Contents
Carefully remove the TV from its packaging. Ensure all components are present:
- 1 x TCL 40-inch Television
- 1 x Remote Control
- 1 x P2/RCA Adapter Cable
- 2 x TV Stands (for table mounting)
- Screws for stand installation
2.2 Stand Installation
If placing the TV on a table, attach the included stands:
- Place the TV screen-down on a soft, flat surface to prevent damage.
- Align each stand with the corresponding slots on the bottom of the TV.
- Secure the stands using the provided screws.
- Carefully lift the TV to its upright position on a stable surface.
2.3 Initial Connections
Before powering on, connect necessary cables:
- Power Cable: Connect the power cable to the TV and then to a wall outlet (110 Volts).
- Antenna/Cable: For broadcast TV, connect your antenna or cable TV coaxial cable to the 'ANT/CABLE IN' port.
- HDMI Devices: Connect external devices like Blu-ray players, game consoles, or set-top boxes to the HDMI ports.
- USB Devices: For media playback or external storage, connect USB devices to the USB ports.
2.4 First Power-On and Basic Setup
After connecting the power, press the power button on the remote control or TV. Follow the on-screen instructions for initial setup:
- Language Selection: Choose your preferred language.
- Network Connection: Connect to your Wi-Fi network. The TV supports dual-band Wi-Fi.
- Google Account: Sign in with your Google account to access Android TV features, Google Play Store, and Google Assistant.
- Remote Pairing: Follow instructions to pair the Bluetooth remote control for full functionality, including voice commands.
- Channel Scan: If using an antenna or cable, perform an automatic channel scan.

Image 2.1: The Android TV interface displaying various applications.
3. Operating Instructions
3.1 Basic Controls
Use the remote control to navigate your TV:
- Power Button: Turns the TV on or off.
- Volume Up/Down: Adjusts the audio level.
- Channel Up/Down: Changes TV channels.
- Input/Source: Selects input sources (HDMI, AV, TV).
- Navigation Buttons (Up/Down/Left/Right) and OK: Used to navigate menus and select options.
- Back/Home: Returns to the previous screen or the Android TV home screen.
3.2 Android TV Interface
The Android TV home screen provides access to installed apps, recommended content, and settings. Navigate using the remote control's directional pad and OK button.
3.3 Google Assistant Voice Control
Your remote control features a dedicated button for Google Assistant. Press the button and speak into the remote to:
- Search for movies, shows, or information.
- Control smart home devices.
- Open applications.
- Get weather updates or traffic information.

Image 3.1: A user interacting with the TV using the voice-controlled remote for Google Assistant.
3.4 Chromecast Built-in
The TV includes Chromecast built-in, allowing you to cast content from compatible mobile devices or computers directly to your TV screen. Look for the Cast icon within supported applications on your device.
3.5 HDR (High Dynamic Range)
The TV supports HDR10, which enhances contrast and color accuracy for compatible content, providing a more vibrant and detailed picture. Ensure your content source also supports HDR for optimal viewing.

Image 3.2: Visual comparison demonstrating the enhanced brightness and contrast with HDR enabled.
3.6 Dolby Audio
Experience enhanced sound quality with Dolby Audio. This technology optimizes the TV's audio output for clearer dialogue and richer sound effects.

Image 3.3: Visual representation of sound waves indicating Dolby Audio technology.
3.7 Micro Dimming
Micro Dimming technology analyzes the TV content in hundreds of separate zones to adjust brightness and darkness independently. This results in improved contrast and picture quality.

Image 3.4: Comparison illustrating the difference between conventional dimming and Micro Dimming for improved contrast.
4. Maintenance
4.1 Cleaning the TV
To clean your TV, ensure it is powered off and unplugged. Use a soft, dry, lint-free cloth to gently wipe the screen and casing. For stubborn marks, slightly dampen the cloth with water. Avoid using harsh chemicals, abrasive cleaners, or sprays directly on the screen.
4.2 Software Updates
Your Android TV may receive periodic software updates to improve performance and add new features. Ensure your TV is connected to the internet to receive these updates. You can usually check for updates in the TV's settings menu under 'About' or 'System Update'.
5. Troubleshooting
If you encounter issues with your TCL 40S5400A TV, refer to the following common problems and solutions:
| Problem | Possible Cause / Solution |
|---|---|
| No Power | Ensure the power cable is securely plugged into both the TV and a working wall outlet. Check if the power outlet is functional. |
| 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 if using external speakers. Check audio settings in the TV menu. |
| Remote Control Not Responding | Replace the batteries in the remote. Ensure there are no obstructions between the remote and the TV. Re-pair the Bluetooth remote if necessary (refer to Setup section). |
| Wi-Fi Connection Issues | Restart your Wi-Fi router. Ensure the TV is within range of the router. Re-enter the Wi-Fi password. |
| Applications Crashing / Slow Performance | Close unused applications. Clear cache for problematic apps in TV settings. Ensure the TV software is up to date. If issues persist, a factory reset may be required (see below). |
| System is Slow / Unresponsive | Try restarting the TV by unplugging it for a few minutes. Ensure sufficient internal storage is available. Consider a factory reset as a last resort. |
5.1 Factory Reset
A factory reset will erase all personal data and settings, returning the TV to its original factory state. This can resolve persistent software issues. To perform a factory reset:
- Go to Settings on your Android TV.
- Navigate to Device Preferences or System.
- Select About or Reset.
- Choose Factory data reset or Erase everything.
- Confirm your selection. The TV will restart and go through the initial setup process again.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | TCL |
| Model | 40S5400A |
| Screen Size | 40 Inches |
| Display Technology | LED |
| Resolution | Full HD (1920 x 1080 Pixels) |
| Refresh Rate | 60 Hz |
| Operating System | Android TV |
| Connectivity | Wi-Fi (Dual Band), Bluetooth, HDMI, USB |
| Audio Output | Stereo, Dolby Audio |
| Power Input | 110 Volts |
| Power Consumption | 19 Watts |
| Product Dimensions (W x H x D) | 50 x 30 x 10 cm (approximate, without stand) |
| Product Weight | 5.17 Kilograms |
| Special Features | HDR10, Micro Dimming, Google Assistant, Chromecast built-in |
| Included Components | TV, Remote Control, P2/RCA Adapter Cable |
7. Warranty and Support
7.1 Manufacturer's Warranty
Your TCL 40S5400A TV comes with a 1-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
7.2 Customer Support
For technical assistance, warranty claims, or further inquiries, please contact TCL customer support. Refer to the official TCL website or your product documentation for the most current contact information.
8. Additional Information
No official product videos were found in the provided data for embedding in this manual.





