The TCL 55S401 is a 55-inch 4K Ultra HD Roku TV with HDR compatibility, built-in Roku OS streaming platform, dual-band Wi-Fi, Ethernet connectivity, multiple HDMI inputs with ARC support, USB port, composite video input, digital optical audio output, headphone jack, and voice remote control. Features include 4K resolution (3840x2160), HDR10/HLG support, Dolby Audio, screen mirroring, private listening, and the Roku Channel Store for accessing thousands of streaming channels. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: 4K UHD LED display with Roku OS, Voice Remote, HDMI inputs, USB port, Ethernet port, optical audio output.
| Feature | Description |
|---|---|
| HDMI inputs | Multiple HDMI 2.0 ports with ARC support (HDMI 1) |
| USB port | For media playback from USB drives |
| Ethernet port | For wired internet connection |
| Optical audio output | For connecting to sound systems |
| Headphone jack | For private audio listening |
| Composite video input | For older video devices |
| Wi-Fi connectivity | Dual-band 2.4GHz/5GHz wireless |
| Voice remote | With microphone for voice commands |
| Power button | Turns TV on/off |
| Input button | Cycles through input sources |
Unpack and inspect contents. Place on stable surface or mount on wall.
WARNING! TV is large and heavy; use two people for handling to avoid injury. Ensure wall mount is rated for TV weight.
Power on TV; follow Roku guided setup.
CAUTION! Ensure proper ventilation around TV; do not block vents.
Access settings via Home button on remote or physical buttons on TV.
Remote: Power, Home, Back, Navigation arrows, OK, Volume, Mute, Input, Streaming shortcut buttons, Voice search.
Picture Settings: Picture mode (Vivid, Standard, Movie, Sports), Brightness, Contrast, Color, Tint, Sharpness, Advanced settings (Color temperature, Noise reduction). Audio Settings: Volume mode (Leveling, Off), Speech clarity, Advanced audio (Surround sound, Audio delay). System Settings: Network, Display type, Power, System update, Advanced system settings.
HDMI: For modern devices (gaming consoles, streaming devices). USB: For media playback. Optical Audio: For sound systems.
Tip: Use HDMI 1 for ARC to connect soundbars for best audio experience.
Access thousands of streaming channels through Roku Channel Store.
WARNING! Ensure stable internet connection for optimal streaming quality.
Audio Guide: Spoken menus for visually impaired. Closed Captions: Multiple caption options. High Contrast theme: For better visibility. Button repeat rate: Adjust navigation speed.
Unplug before cleaning. Use soft, dry 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.
FCC compliant: Meets Class B digital device requirements. Energy Star certified. Copyright © 2023 TCL. All trademarks are property of their respective owners. For support, visit www.support.tcl.com or contact 1-877-300-8837.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No picture/sound | Power/input selection | Check power connection; ensure correct input selected; try different HDMI port. |
| Wi-Fi connection issues | Signal strength/router | Restart router; move closer to router; check network password. |
| Remote not working | Batteries/obstructions | Replace batteries; ensure clear path to TV; pair remote if needed. |
| Apps not loading | Internet/update needed | Check internet connection; restart TV; check for system updates. |
| Poor picture quality | Settings/source quality | Adjust picture settings; ensure source is 4K compatible; check HDMI cable quality. |
Factory Reset: Settings > System > Advanced system settings > Factory reset
Customer Support: 1-877-300-8837; www.support.tcl.com