1. Introduction
This manual provides essential information for the safe and efficient use of your TCL 40S5401A 40-inch FHD Smart TV. Please read these instructions carefully before operating the device and retain them for future reference. Your new TCL Smart TV combines a sleek design with advanced features, including Full HD resolution, HDR, Micro Dimming, and the Android TV operating system, offering seamless access to entertainment and smart home integration.
Key features include:
- Full HD Resolution: For sharp and detailed images.
- HDR & Micro Dimming: Enhanced contrast and impactful visuals.
- Android TV: Access to Google Play Store, Netflix, YouTube, and more.
- Integrated Google Assistant & Chromecast: Voice control and content casting.
- Bluetooth & Wi-Fi: Wireless connectivity for devices and internet.
2. Setup
2.1 Unpacking and Component Check
Carefully remove the TV from its packaging. Ensure all components are present:
- TCL 40S5401A Smart TV
- Remote Control (with 2 AAA batteries)
- TV Stands (2 pieces)
- Screws for stand installation
- Power Cable
- User Manual
2.2 Stand Installation
To install the TV stands:
- Place the TV face down on a soft, flat surface to prevent screen damage.
- Align each stand with the corresponding slots on the bottom of the TV.
- Secure each stand with the provided screws. Ensure they are tightened firmly.

Image: The TCL 40S5401A television with its remote control, illustrating the product dimensions including width, height, and thickness, along with stand measurements.
2.3 Connecting Power
Connect the power cable to the TV's power input and then to a wall outlet. The TV will enter standby mode.
2.4 Initial Setup
Upon first power-on, the TV will guide you through the initial setup process. This includes:
- Language selection.
- Network connection (Wi-Fi or Ethernet).
- Google Account sign-in (optional, but recommended for full Android TV features).
- Channel scanning (for antenna/cable connections).
3. Operation
3.1 Remote Control Overview
The remote control allows you to navigate the TV's interface and control various functions. Insert the two AAA batteries into the remote control, ensuring correct polarity.
3.2 Basic Functions
- Power: Press the power button to turn the TV on or off (standby mode).
- Volume: Use the volume buttons to adjust the sound level.
- Channels: Use the channel buttons to change TV channels (if connected to an antenna/cable).
- Input: Press the input button to select different input sources (HDMI, USB, etc.).
3.3 Smart TV Features (Android TV)
Your TCL TV runs on Android TV, providing access to a wide range of applications and services.

Image: The Android TV home screen on the TCL 40S5401A, displaying various streaming apps and content recommendations.
- Google Assistant: Press the Google Assistant button on your remote and speak commands to search for content, control smart home devices, or get information.
- Chromecast Built-in: Cast content from your smartphone, tablet, or computer directly to your TV. Look for the Cast icon in compatible apps.
- Google Play Store: Download and install additional apps, games, and streaming services.
- Streaming Services: Access pre-installed apps like Netflix and YouTube, or download others from the Play Store.
3.4 Connectivity
The TV offers various connection options for external devices.

Image: A detailed diagram of the rear connection ports on the TCL 40S5401A, including USB, LAN, Antenna/Cable In, Satellite In, Digital Audio Out (Optical), HDMI 1, Common Interface, HDMI 2 (ARC), AV In Adapter, and Headphone jack.
- HDMI: Connect Blu-ray players, game consoles, or other HDMI-enabled devices. The TV has 2 HDMI ports.
- USB: Connect USB drives to play media files. The TV has 1 USB port.
- Bluetooth: Pair wireless headphones, speakers, or other Bluetooth devices.
- Wi-Fi & Ethernet (LAN): Connect to your home network for internet access.
- Antenna/Cable In: Connect an antenna or cable for broadcast TV.
- Digital Audio Out (Optical): Connect to an external sound system for enhanced audio.
4. Maintenance
4.1 Cleaning the TV
Always unplug the TV before cleaning. Use a soft, dry cloth to wipe the screen and cabinet. Do not use liquid cleaners or aerosol sprays directly on the TV, as they may damage the screen or finish.
4.2 Software Updates
Your Android TV may receive software updates periodically. It is recommended to keep your TV's software updated to ensure optimal performance and access to the latest features. Updates can usually be managed through the TV's settings menu under 'About' or 'System Update'.
5. Troubleshooting
If you encounter issues with your TV, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| No power | Check if the power cable is securely connected to the TV and the wall outlet. Ensure the outlet is functional. |
| No picture, but sound is present | Verify the correct input source is selected. Check cable connections to external devices. |
| Remote control not working | Replace the batteries. Ensure there are no obstructions between the remote and the TV's IR sensor. |
| Cannot connect to Wi-Fi | Check your router and modem. Restart both. Ensure the Wi-Fi password is entered correctly. Try connecting via Ethernet cable if available. |
| Apps are slow or freezing | Close unused apps. Clear the cache of problematic apps in the TV settings. Restart the TV. Ensure a stable internet connection. |
If the problem persists after trying these solutions, please contact customer support.
6. Specifications
Below are the technical specifications for the TCL 40S5401A Smart TV:
- Model Number: 40S5401A
- Screen Size: 40 Inches
- Display Technology: LED
- Resolution: 1080p (Full HD)
- Refresh Rate: 60 Hz
- Operating System: Android TV
- Connectivity: Bluetooth, Ethernet, HDMI (x2), USB (x1), Wi-Fi
- Special Features: Flat screen, HDR, Micro Dimming, Google Assistant, Chromecast
- Aspect Ratio: 16:9
- Product Dimensions (with stand): Approximately 90.5 cm (W) x 57.5 cm (H) x 18.6 cm (D)
- Included Components: Remote control, user manual, AAA batteries
- Supported Languages: German, English, Spanish, French, Italian

Image: The EU energy label for the TCL 40S5401A television, showing energy efficiency ratings for SDR and HDR content. For more details, visit the official EPREL database: EPREL Product Page.
7. Warranty & Support
For warranty information, please refer to the warranty card included with your product or visit the official TCL website for your region. Warranty terms and conditions may vary by country.
For technical support, product registration, or to find service centers, please visit the TCL support website or contact their customer service hotline. Keep your purchase receipt and product serial number handy when seeking support.





