55s451 tcl tv manual

The TCL 55S451 is a 55-inch 4K UHD Smart TV with HDR technology, built-in Roku OS, multiple HDMI inputs, USB port, Ethernet connectivity, Wi-Fi capability, voice remote control, Dolby Audio, screen mirroring, and various picture modes. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 55-inch 4K UHD display with Roku OS, Voice Remote, HDMI inputs, USB port, Ethernet port, Optical audio output.

Feature	Description
HDMI inputs	For external devices like gaming consoles, streaming devices
USB port	For media playback from USB drives
Ethernet port	For wired internet connection
Optical audio output	For connection to sound systems
AC input connector	For power connection
Wi-Fi connectivity	For wireless internet access
Power button	Turns TV on/off
Input selection	Switches between HDMI, TV, USB inputs
Volume controls	Adjusts audio levels
Voice remote	Voice command capability for search and control

Installation

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

1. Connect antenna or cable: Attach coaxial cable to antenna input.
2. Connect external devices: Use HDMI ports for gaming consoles, streaming devices.
3. Connect to internet: Use Ethernet cable or set up Wi-Fi connection.
4. Plug into AC power outlet.

WARNING! TV is heavy; use two people for installation. Ensure wall mount is properly secured if mounting.

First-Time Setup

Power on TV; follow on-screen setup wizard.

1. Connect to network: Select Wi-Fi network or use Ethernet connection.
2. Activate TV: Follow Roku activation process with account creation.
3. Channel scan: Auto-program channels for antenna/cable input.
4. Picture settings: Calibrate brightness, contrast, color settings.
5. Audio setup: Configure sound output and volume levels.

CAUTION! Ensure stable surface; keep ventilation areas clear.

Specifications

• Screen Size: 55 inches 4K UHD.
• Resolution: 3840 x 2160 pixels.
• Smart Platform: Roku OS with streaming apps.
• Sound: Dolby Audio with multiple sound modes.
• Connectivity: 3x HDMI, 1x USB, Ethernet, Wi-Fi, Optical audio.
• HDR Support: HDR10, HLG compatible.
• Voice Control: Built-in voice remote.
• Power Source: 120V AC, 60Hz.
• Operating Temp: Standard room temperature.

Controls and Settings

Access settings via Home button on remote. Physical controls: Power, Input, Volume.

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

Picture Settings: Brightness, Contrast, Color, Tint, Sharpness, Backlight, Color Temperature. Audio Settings: Volume mode, Speech clarity, Bass, Treble. System Settings: Network, Display, Sound, Power, System update.

Connecting Devices

HDMI: For modern devices. USB: For media playback. Optical audio: For sound systems.

1. Turn off TV before connecting devices.
2. Connect HDMI cables to HDMI ports.
3. Connect USB devices to USB port.
4. Select input via Input button (HDMI 1, HDMI 2, HDMI 3, TV, USB).

Tip: Use high-speed HDMI cables for 4K content.

Smart Features

Roku OS provides access to thousands of streaming channels.

1. Home screen: Press Home button to access apps and settings.
2. Streaming apps: Netflix, Hulu, YouTube, Amazon Prime Video pre-installed.
3. Screen mirroring: Cast content from compatible devices.
4. Voice search: Use voice remote to search content.
5. Private listening: Use Roku mobile app for headphone audio.
6. Mobile control: Download Roku app for additional features.

NOTE: Internet connection required for streaming features.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Audio Guide: Voice guidance for visually impaired. 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.

CAUTION! Do not use liquid cleaners or aerosols; avoid pressure on screen.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © 2023 TCL; all rights reserved. For support, visit www.tcl.com or contact 1-877-300-8837.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; ensure power button on.
No picture	Input selection/settings	Check input source; adjust brightness; restart TV.
No sound	Volume/mute settings	Check mute; increase volume; check audio output settings.
Wi-Fi not connecting	Network issues	Restart router; check password; move closer to router.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear path to TV sensor.
Apps not loading	Internet/update	Check internet connection; update Roku software.

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

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