TCL Roku 55S451 Manual

The TCL Roku 55S451 is a 55-inch 4K Ultra HD Smart TV with Roku TV platform, featuring HDR compatibility, built-in Wi-Fi, voice remote control, multiple HDMI inputs, USB port, Ethernet connectivity, and access to thousands of streaming channels. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 55-inch 4K UHD display, Roku TV smart platform, Voice Remote, HDMI inputs, USB port, Ethernet port, Wi-Fi connectivity.

Feature	Description
4K Ultra HD Resolution	3840 x 2160 pixels for crystal clear picture quality
Roku TV Platform	Built-in streaming with thousands of channels
HDR Compatibility	High Dynamic Range for enhanced contrast and colors
Voice Remote	Voice control for search and navigation
HDMI Inputs	Multiple HDMI ports for external devices
USB Port	For media playback from USB drives
Built-in Wi-Fi	Wireless internet connectivity
Ethernet Port	Wired internet connection option
Audio Output	Digital optical audio output
Power Input	Standard AC power connection

Installation

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

1. Attach stand: Secure base to TV if using tabletop stand.
2. Connect antenna or cable: Use coaxial input for TV signal.
3. Connect external devices: Use HDMI ports for gaming consoles, streaming devices, etc.
4. Connect to internet: Use Wi-Fi or Ethernet cable for network connection.
5. Plug into AC power outlet.

WARNING! TV is large and heavy; use two people for handling and installation to avoid injury.

First-Time Setup

Power on TV; follow on-screen Roku setup wizard.

1. Select language: Choose preferred language for interface.
2. Connect to network: Select Wi-Fi network and enter password or connect Ethernet.
3. Activate Roku: Follow prompts to activate Roku TV service.
4. Channel scanning: Auto-scan for available broadcast channels.
5. Update software: Download latest Roku TV updates if available.
6. Sign in to streaming services: Add and sign in to preferred streaming apps.

CAUTION! Ensure stable surface or proper wall mounting before operation.

Specifications

• Screen Size: 55 inches diagonal
• Resolution: 4K Ultra HD (3840 x 2160)
• Smart Platform: Roku TV
• HDR Support: HDR10, HLG compatible
• Connectivity: Wi-Fi 802.11ac, Ethernet, 3x HDMI, 1x USB
• Audio: Built-in speakers, Dolby Audio support
• Voice Control: Voice remote with microphone
• Power Consumption: Energy Star certified
• Operating System: Roku TV OS
• Warranty: 1-year limited warranty

Controls and Settings

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

Remote Control: Power, Home, Back, Navigation arrows, OK, Volume, Mute, Voice search, Streaming service shortcuts.

TV Settings: Display (brightness, contrast, color), Audio (volume mode, equalizer), Network (Wi-Fi, Ethernet), System (software update, factory reset), Accessibility (closed captioning, audio guide).

Roku Settings: Themes, screensaver, privacy, autoplay, mobile app pairing.

Connecting Devices

Multiple input options for various external devices.

1. HDMI devices: Connect gaming consoles, Blu-ray players, soundbars to HDMI ports.
2. USB media: Connect USB drives for photo, music, and video playback.
3. Audio systems: Connect to soundbar or home theater via HDMI ARC or optical audio.
4. Antenna/cable: Connect coaxial cable for live TV.
5. Network: Connect via Wi-Fi or Ethernet for internet access.

Tip: Use HDMI port 1 for ARC (Audio Return Channel) when connecting sound systems.

Streaming and Apps

Access thousands of streaming channels through Roku platform.

1. Home screen: Press Home button to access main menu.
2. Channel Store: Browse and add new streaming channels.
3. Popular apps: Netflix, YouTube, Hulu, Disney+, Amazon Prime Video pre-installed.
4. Search: Use voice or text search to find content across platforms.
5. Live TV: Access antenna channels through Live TV tile.
6. Private listening: Use Roku mobile app for private audio through headphones.
7. Screen mirroring: Mirror compatible devices to TV screen.

Note: Some streaming services require separate subscriptions and accounts.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Audio Guide: Spoken menu navigation for visually impaired. High Contrast Theme: Improved visibility for low vision users. Button repeat rate: Adjust navigation speed.

Care & Cleaning

Unplug TV before cleaning. Use soft, dry microfiber cloth for screen. For stubborn marks, lightly dampen cloth with water only.

CAUTION! Never use chemicals, solvents, or abrasive cleaners. Do not spray liquids directly on screen.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord, outlet issue	Check power connection; try different outlet; ensure power button is on.
No picture/sound	Input selection, cables	Verify correct input source; check cable connections; adjust volume.
Wi-Fi connection issues	Network, signal strength	Restart router; check network password; move router closer.
Remote not working	Batteries, pairing	Replace batteries; re-pair remote if needed; ensure clear line of sight.
Apps not loading	Internet, app issues	Check internet connection; restart app; update Roku software.
Poor picture quality	Settings, source quality	Adjust picture settings; check source resolution; ensure 4K content for best quality.

Reset Options: Settings > System > Power > System restart for soft reset; Settings > System > Advanced system settings > Factory reset for complete reset.

Support: 1-877-300-8837; support.tcl.com