TCL 43S425
TCL 43S425 43 Inch 4K Ultra HD Smart ROKU LED TV User Manual
Model: 43S425 | Brand: TCL
Introduction
This manual provides essential information for setting up, operating, and maintaining your TCL 43S425 43 Inch 4K Ultra HD Smart ROKU LED TV. Please read it thoroughly before use to ensure proper functionality and safety.
Setup Guide
1. Unpacking and Placement
Carefully remove the TV from its packaging. It is recommended to have two people for this process. Place the TV on a stable, flat surface or mount it on a wall using a compatible VESA mount (sold separately).

Figure 1: Front view of the TCL 43S425 4K Roku TV, showing its sleek design and the intuitive Roku home interface with app tiles for streaming services.

Figure 2: Dimensions of the TCL 43S425 TV, illustrating its compact profile suitable for various living spaces.
2. Attaching the TV Stands (Optional)
If not wall-mounting, attach the two included stand legs to the bottom of the TV using the provided screws. Ensure they are securely fastened.

Figure 3: Side view of the TV, demonstrating its slim design and the stable stand legs.
3. Connecting Devices
Connect your external devices (cable box, gaming console, Blu-ray player, etc.) to the available ports on the back and side of the TV. This model features 3 HDMI 2.0 ports (one with ARC), 1 USB port, RF, Composite, Headphone Jack, Optical Audio Out, and Ethernet.

Figure 4: Detailed view of the TV's input/output ports, showing connectivity options for various devices.
Ensure all connections are secure. For optimal 4K and HDR performance, use high-speed HDMI cables.
4. Power On and Initial Setup
Plug the power cord into an electrical outlet. Insert two "AAA" batteries into the remote control. Press the power button on the remote or the TV. Follow the on-screen instructions to complete the initial setup, including connecting to your Wi-Fi network and activating your Roku account.
Operating Your TV
1. Roku Smart TV Interface
The TCL 43S425 features a simple, intuitive Roku interface. Navigate through menus using the directional pad on your remote. The home screen provides quick access to streaming channels, inputs, and settings.

Figure 5: The included Roku TV remote control, designed for easy navigation and direct access to popular streaming services.
2. Streaming Channels
Access over 500,000 movies and TV episodes through thousands of streaming channels. Popular services like Netflix, Hulu, YouTube, and more are readily available. You can add or remove channels from the Roku Channel Store.
3. Voice Control
This TV supports voice control through Amazon Alexa or Google Assistant. Use your voice to find content, launch channels, or switch inputs. This feature is also accessible via the Roku mobile app.
4. 4K UHD and HDR
Experience stunning 4K Ultra HD picture performance with High Dynamic Range (HDR) technology for enhanced contrast and color. The 4K Creative Pro Upscaling feature allows you to view HD content in near 4K quality.
Maintenance
- Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, dampen the cloth slightly with water or a screen-cleaning solution. Avoid harsh chemicals.
- Cleaning the Cabinet: Use a soft, dry cloth to clean the TV cabinet.
- Ventilation: Ensure proper ventilation around the TV. Do not block ventilation openings.
- Power Cord: Regularly check the power cord for any damage.
Troubleshooting
| Problem | Solution |
|---|---|
| No Power | Check if the power cord is securely plugged into the TV and the outlet. Ensure the outlet has power. Try a different outlet. |
| No Picture / Poor Picture Quality | Verify input source is correct. Check cable connections (HDMI, RF). Adjust picture settings (brightness, contrast). For 4K content, ensure your source device and cables support 4K. |
| No Sound / Poor Sound Quality | Check volume level and mute status. Ensure audio cables are connected correctly. If using external audio system, check its settings. |
| Remote Control Not Working | Replace batteries (two "AAA"). Ensure no obstructions between remote and TV. Re-pair the remote if it's a voice remote. |
| Network Connection Issues | Check Wi-Fi password. Restart your router/modem. Go to Network settings on the TV to re-scan for networks or connect via Ethernet. |
Specifications
- Brand: TCL
- Model: 43S425
- Screen Size: 43 Inches
- Display Technology: LED
- Resolution: 4K Ultra HD (3840 x 2160)
- Refresh Rate: 120 Hz CMI (Clear Motion Index) / 60Hz Native
- HDR Compatibility: Yes
- Connectivity: 3 HDMI 2.0 (1 ARC), 1 USB, RF, Composite, Headphone Jack, Optical Audio Out, Ethernet, Wi-Fi
- Smart Platform: Roku TV
- Voice Control: Works with Amazon Alexa, Google Assistant
- Item Weight: 16.3 Pounds
- Product Dimensions: 38.2"W x 7.6"D x 24.5"H (with stand)
- Included Components: Remote Control (with 2 "AAA" batteries)
- Power Consumption (Standby): Less than 0.5 watts
Warranty and Support
For detailed warranty information, please refer to the documentation included with your product or visit the official TCL support website. You can also find additional support resources and frequently asked questions there.
Additional Resources:
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