The TCL 43S405 is a 43-inch 4K Ultra HD LED Smart TV with HDR technology, Roku TV platform, built-in Wi-Fi, three HDMI inputs, USB port, composite video input, digital audio output, Ethernet port, and headphone jack. Features include voice remote control, mobile app compatibility, screen mirroring, and access to thousands of streaming channels. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: 4K Ultra HD LED display with HDR, Roku TV platform, Voice Remote, HDMI inputs, USB port, Ethernet port, Wi-Fi connectivity.
| Feature | Description |
|---|---|
| HDMI Inputs | Three HDMI 2.0 ports for 4K devices |
| USB Port | For media playback and software updates |
| Ethernet Port | Wired internet connection |
| Wi-Fi | Built-in wireless connectivity |
| Digital Audio Output | Optical audio output |
| Composite Video Input | For legacy devices |
| Headphone Jack | For private audio listening |
| Voice Remote | Voice search and control capabilities |
| Power Button | Turns TV on/off |
| Input Select | Switches between connected devices |
Unpack and inspect contents. Place on stable surface or mount on wall.
WARNING! TV is heavy; use two people for installation. Ensure wall mount is rated for TV weight.
Power on TV; follow on-screen setup wizard.
CAUTION! Ensure proper ventilation around TV; do not block vents.
Access settings via Home button on remote. Physical controls: Power, Input, Volume, Channel buttons.
Remote: Power, Home, Back, Navigation pad, Volume, Mute, Input, Streaming shortcuts, Voice search.
Picture Settings: Picture mode (Vivid, Standard, Movie, Sports), Brightness, Contrast, Color, Sharpness, Advanced settings. Audio Settings: Volume mode, Speech clarity, Bass, Treble. System Settings: Network, Display, Power, System update. Roku Settings: Theme, Screensaver, Accessibility.
HDMI: For 4K devices like gaming consoles, streaming boxes. USB: For media playback from storage devices. Optical Audio: For sound systems.
Tip: Label HDMI inputs for easy identification (Game, Blu-ray, etc.).
Roku TV platform with thousands of streaming channels.
WARNING! Keep software updated for security and performance.
Closed Captions: Enable in Accessibility settings. Audio Guide: Spoken menu navigation. High contrast theme: For better visibility. Button echo: Audio feedback for remote presses.
Unplug before cleaning. Use microfiber cloth for screen; avoid liquids. For cabinet, use damp cloth with water only.
CAUTION! Do not use chemicals or abrasive cleaners on screen.
FCC Part 15: Class B digital device compliant. Energy Star certified. Copyright © TCL Corporation. Roku and the Roku logo are trademarks of Roku, Inc. For support, visit www.tcl.com or contact 1-877-300-8837.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No picture | Power/input selection | Check power connection; ensure correct input selected. |
| No sound | Volume/mute settings | Check volume level; disable mute; verify audio output settings. |
| Wi-Fi not connecting | Network issues | Restart router; check password; move closer to router. |
| Remote not working | Batteries/obstructions | Replace batteries; ensure clear line of sight to TV. |
| Apps not loading | Internet connection | Check network connection; restart TV; update software. |
Reset: Settings > System > Power > System restart
Factory Reset: Settings > System > Advanced system settings > Factory reset
Service: 1-877-300-8837; www.tcl.com