TCL Model 43S431 Manual

The TCL Model 43S431 is a 43-inch 4K Ultra HD Smart LED TV with HDR technology, built-in Roku TV platform, dual-band Wi-Fi, Ethernet connectivity, multiple HDMI inputs, USB port, composite video input, digital optical audio output, headphone jack, and voice remote control. Features include streaming apps, screen mirroring, private listening, and energy-saving modes. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Smart TV Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 4K Ultra HD LED display with Roku TV OS, Voice Remote Control, HDMI inputs, USB port, Ethernet port, Wi-Fi connectivity, optical audio output.

Feature	Description
HDMI inputs	For connecting gaming consoles, streaming devices, and Blu-ray players
USB port	For media playback from USB drives
Ethernet port	For wired internet connection
Wi-Fi	Dual-band wireless connectivity
Optical audio output	For connecting to sound bars and home theater systems
Headphone jack	For private audio listening
Composite video input	For older video devices
POWER	Turns TV on/off
INPUT	Cycles through available input sources
Volume controls	Adjusts audio level

Installation

Unpack and inspect contents. Place on stable surface or mount on wall.

Connect antenna or cable: Attach coaxial cable to antenna input.
Connect streaming devices: Use HDMI ports for modern devices.
Connect internet: Use Ethernet cable or connect to Wi-Fi during setup.
Connect audio: Use optical audio output for external sound systems.
Plug into AC power.

WARNING! TV is heavy; use two people for installation. Ensure wall mount is rated for TV weight.

First-Time Setup

Power on TV; follow on-screen setup wizard.

Select language: Choose preferred interface language.
Connect to internet: Select Wi-Fi network or use Ethernet.
Activate Roku TV: Create or sign in to Roku account.
Scan for channels: Auto-program over-the-air channels.
Update software: Download latest system updates.
Customize home screen: Add favorite streaming channels.

CAUTION! Ensure proper ventilation around TV; do not block vents.

Specifications

Screen Size: 43 inches LED
Resolution: 4K Ultra HD (3840 x 2160)
HDR: HDR10 and HLG support
Smart Platform: Roku TV
Connectivity: Dual-band Wi-Fi, Ethernet, 3 HDMI, 1 USB
Audio: 2x10W speakers, Dolby Audio
Voice Control: Compatible with Google Assistant and Amazon Alexa
Power Source: 120V AC, 60Hz
Energy Star: Certified for energy efficiency

Controls and Settings

Access settings via * button on remote or Settings menu. Front controls: POWER, INPUT, VOLUME.

Remote: POWER, Home, Back, Navigation pad, Volume, Mute, Input, Streaming shortcut buttons.

Picture: Picture mode (Vivid, Standard, Movie, Sports), Brightness, Contrast, Color, Sharpness, Advanced settings. Audio: Sound mode (Standard, Movie, Music, Voice), Equalizer, Volume mode. Network: Wireless setup, Ethernet, Connection status. System: Power, Display, Screensaver, Advanced system settings.

Connecting Devices

HDMI: For modern devices like gaming consoles and streaming sticks. USB: For media playback. Optical audio: For sound systems.

Turn off TV before connecting devices.
Use high-speed HDMI cables for 4K content.
Select input via INPUT button or Home menu.
Configure audio settings for external speakers.

Tip: Label HDMI inputs for easy identification (Game, Blu-ray, etc.).

Smart TV Features

Roku TV platform with thousands of streaming channels.

Home screen: Access all inputs and streaming channels.
Search: Find content across multiple streaming services.
Streaming apps: Netflix, Hulu, Disney+, YouTube, and more.
Screen mirroring: Cast from compatible mobile devices.
Private listening: Use Roku mobile app for headphone audio.
Voice control: Use voice remote for hands-free operation.
Mobile control: Use Roku app as secondary remote.

WARNING! Keep software updated for security and performance.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Audio Guide: Spoken menu navigation. High contrast text: Improved readability. Button repeat rate: Adjust navigation speed.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen; slightly damp cloth for cabinet. Do not use chemicals or abrasive materials.

CAUTION! Never spray liquids directly on screen; avoid pressure on display panel.

Regulatory Information

FCC Part 15: Class B digital device compliant. Energy Star certified. Copyright © 2023 TCL. For support, visit www.tcl.com or contact 1-877-300-8837. Roku and the Roku logo are trademarks of Roku, Inc.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; ensure power button is on.
No picture/sound	Input selection	Check input source; ensure devices are powered on; verify connections.
Wi-Fi connection issues	Signal/router	Restart router; check signal strength; use Ethernet for stable connection.
Remote not working	Batteries/obstructions	Replace batteries; ensure line of sight to TV; pair remote if needed.
Apps not loading	Internet/updates	Check internet connection; update Roku software; restart TV.

Reset: Settings > System > Power > System restart

Factory Reset: Settings > System > Advanced system settings > Factory reset

Service: 1-877-300-8837; www.tcl.com