TCL Model 55S425 Manual

The TCL Model 55S425 is a 55-inch 4K Ultra HD Smart Roku TV with HDR technology, built-in Wi-Fi, voice remote control, multiple HDMI inputs, USB port, Ethernet connection, headphone jack, and advanced audio 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 TV Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 55-inch 4K UHD display with HDR, Roku OS, Voice Remote, multiple HDMI inputs, USB port, Ethernet, Wi-Fi connectivity.

Feature	Description
4K Ultra HD Resolution	3840 x 2160 pixels for crystal clear picture quality
HDR Technology	High Dynamic Range for enhanced contrast and colors
Roku Smart TV Platform	Built-in streaming with thousands of channels
Voice Remote Control	Voice search and command capabilities
HDMI Inputs	Multiple HDMI ports for external devices
USB Port	For media playback and device connectivity
Wi-Fi Connectivity	Built-in dual-band Wi-Fi for wireless streaming
Ethernet Port	Wired internet connection option
Headphone Jack	For private audio listening
Audio Output	Digital audio output for sound systems

Installation

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

Attach stand: Secure base to TV using provided screws.
Connect antenna or cable: Use coaxial input for TV signal.
Connect external devices: Use HDMI ports for gaming consoles, streaming devices.
Connect to internet: Use Wi-Fi or Ethernet cable.
Plug into AC power.

WARNING! TV is heavy; lift with care to avoid injury. Use two people for installation.

First-Time Setup

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

Select language: Choose preferred language for interface.
Connect to internet: Select Wi-Fi network and enter password.
Activate TV: Follow prompts to complete Roku activation.
Program channels: Auto-scan for available TV channels.
Update software: Allow automatic software updates.
Add streaming channels: Browse Roku Channel Store.

CAUTION! Ensure stable surface; keep ventilation areas clear.

Specifications

Screen Size: 55 inches LED
Resolution: 4K Ultra HD (3840 x 2160)
HDR Support: HDR10, HLG
Smart Platform: Roku TV
Connectivity: Wi-Fi, Ethernet, 3x HDMI, 1x USB, Composite input
Audio: Dolby Audio, DTS Studio Sound
Voice Control: Built-in with remote
Power Source: 120V AC, 60Hz
Operating Temp: 32°F to 104°F (0°C to 40°C)

Controls and Settings

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

Remote: Power, Home, Back, Navigation pad, Volume, Mute, Input, Streaming shortcuts.

Picture Settings: Picture mode, Brightness, Contrast, Color, Sharpness, Advanced settings. Audio Settings: Sound mode, Equalizer, Volume mode, Advanced audio. System Settings: Network, Display, Power, System update.

Connecting Devices

HDMI: Connect gaming consoles, streaming devices, Blu-ray players. USB: Media playback from storage devices. Composite: Legacy devices.

Turn off TV before connecting devices.
Connect HDMI cable from device to TV HDMI port.
Select correct input source using Input button.
For audio systems, use digital audio output.

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

Smart TV Features

Roku OS provides access to thousands of streaming channels.

Home screen: Access all channels and inputs.
Search: Find content across multiple streaming services.
Voice search: Use microphone on remote for voice commands.
Channel store: Add new streaming channels.
Screen mirroring: Cast from compatible devices.
Mobile app: Control TV with Roku mobile app.

Note: Internet connection required for streaming features.

Accessibility Features

Audio Guide: Spoken menu navigation. Closed Captions: Multiple caption options. High Contrast: Enhanced visibility. Audio modes: Audio description support.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen. For stubborn stains, lightly dampen cloth with water.

CAUTION! Do not use chemicals or abrasive cleaners. Avoid liquid contact with screen.

Regulatory Information

FCC Part 15: Class B digital device compliant. Energy Star certified. Copyright © 2025 TCL. All trademarks property of their respective owners. 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 source/cables	Select correct input; check cable connections; restart TV.
No sound	Volume/mute settings	Check volume level; ensure not muted; verify audio settings.
Wi-Fi not connecting	Network/password	Check network availability; verify password; restart router.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear path to TV; pair remote if needed.

Reset: Settings > System > Power > System restart

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

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