tcl model 43s451 tv manual

The TCL Model 43S451 is a 43-inch 4K Ultra HD Smart LED TV with HDR technology, built-in Roku streaming platform, multiple HDMI inputs, USB port, Ethernet connectivity, Wi-Fi capability, voice remote control, and various picture enhancement features. 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 4K Ultra HD LED display with HDR, Roku Smart TV platform, Voice Remote Control, multiple HDMI inputs, USB port, Ethernet port, Wi-Fi connectivity.

Feature	Description
HDMI Inputs	Multiple HDMI 2.0 ports for 4K devices
USB Port	For media playback and software updates
Ethernet Port	Wired internet connection
Wi-Fi Connectivity	Wireless internet access
Optical Audio Out	Digital audio output
Composite AV Input	For legacy devices
Voice Remote	Voice search and control capabilities
Roku Platform	Built-in streaming with thousands of channels
HDR Support	High Dynamic Range for better contrast
POWER	Turns TV on/off

Installation

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

Connect antenna or cable/satellite: Attach coaxial cable to antenna input.
Connect HDMI devices: Use HDMI ports for gaming consoles, streaming devices.
Connect to internet: Use Ethernet cable or Wi-Fi setup.
Plug into AC power.

WARNING! TV is heavy; lift with care to avoid injury. Ensure all connections are secure.

First-Time Setup

Power on TV; follow on-screen setup wizard.

Connect to network: Select Wi-Fi network or use Ethernet.
Activate Roku: Follow prompts to create/link Roku account.
Program channels: Use auto-scan feature for over-the-air channels.
Update software: Allow automatic updates for latest features.
Customize settings: Adjust picture mode, audio preferences.

CAUTION! Ensure stable surface; use two people for handling during installation.

Specifications

Screen Size: 43 inches LED
Resolution: 4K Ultra HD (3840 x 2160)
HDR: HDR10 and HLG support
Smart Platform: Roku TV
Connectivity: 3x HDMI 2.0, 1x USB 2.0, Ethernet, Wi-Fi
Audio: 2x 8W speakers, Dolby Audio
Voice Control: Built-in voice remote
Power Consumption: 60W typical
Operating System: Roku OS

Controls and Settings

Access settings via Home button on remote or physical buttons on TV.

Remote: POWER, Home, Back, Navigation buttons, Volume, Mute, Input, Streaming shortcuts, Voice search.

Picture Settings: Picture Mode, Brightness, Contrast, Color, Sharpness, Advanced settings. Audio Settings: Volume Mode, Equalizer, Surround Sound. System Settings: Network, System Update, Power, Privacy. Input Settings: Rename inputs, adjust settings per input.

Connecting Devices

HDMI: Connect gaming consoles, Blu-ray players, streaming devices. USB: Connect storage devices for media playback. Optical Audio: Connect to sound systems.

Turn off TV before connecting devices.
Use appropriate cables for each device type.
Select input via Input button on remote.
Configure input settings as needed.

Tip: Use HDMI ARC for simplified audio system connection.

Smart Features

Roku platform provides access to thousands of streaming channels.

Home Screen: Access all installed channels and inputs.
Search: Universal search across multiple streaming services.
Private Listening: Use Roku mobile app for headphone audio.
Screen Mirroring: Cast from compatible devices.
Mobile Control: Use Roku app as secondary remote.
Voice Search: Press microphone button on remote.

WARNING! Keep software updated for security and performance.

Accessibility Features

Audio Guide: Spoken menus for visually impaired. Closed Captions: Multiple caption options. High Contrast Theme: Improved visibility. Button Repeat Rate: Adjust navigation speed.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen. Mild cleaning solution for cabinet only.

CAUTION! Do not use liquid cleaners directly on screen. Avoid abrasive materials.

Regulatory Information

FCC compliant. Energy Star certified. Manufactured by TCL Corporation. For support, visit www.support.tcl.com or contact 1-877-300-8837. Software updates automatically through Roku platform.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet.
No picture	Input selection	Press Input button; select correct source.
No sound	Volume/mute	Check volume level; ensure not muted.
Wi-Fi issues	Network/router	Restart router; check network settings.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear path to TV.

Reset: Settings > System > Power > System restart

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