The Toshiba 43LF621U19 is a 43-inch LED Smart TV with 4K Ultra HD resolution, built-in ATSC/NTSC tuner, Smart TV functionality with app support, multiple HDMI inputs, USB port, Ethernet and Wi-Fi connectivity, headphone jack, remote control, closed captioning, parental controls, sleep timer, and advanced picture/audio adjustments. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: 4K Ultra HD LED panel with Smart TV platform, Voice Remote Control, multiple HDMI inputs, USB port, Ethernet port, Headphone jack, Component/Composite inputs.
| Feature | Description |
|---|---|
| HDMI inputs | Multiple HDMI 2.0 ports for HD devices |
| USB port | For media playback and service functions |
| Ethernet port | Wired internet connection |
| Wi-Fi | Wireless internet connectivity |
| Headphone jack | For private audio listening |
| AC input connector | For power connection |
| Component video inputs | For HD component video sources |
| Composite AV inputs | For standard definition video sources |
| Digital audio output | Optical audio output |
| Voice remote | Voice control and smart functions |
Unpack and inspect contents. Place on stable surface or mount on wall.
WARNING! TV is heavy; use two people for handling. Ensure wall mount is properly rated.
Power on TV; follow on-screen setup wizard.
CAUTION! Ensure proper ventilation around TV. Do not block vents.
Access menu via remote or side controls. Front/Side Panel: POWER, INPUT, VOLUME, MENU.
Remote: POWER, Voice control, Navigation pad, INPUT, VOLUME, MUTE, SMART HUB, Apps, Settings.
Picture: Picture Mode, Backlight, Brightness, Contrast, Color, Tint, Sharpness, Color Temperature. Audio: Sound Mode, Balance, Equalizer, Surround Sound. Network: Wi-Fi setup, Ethernet, Network test. System: Language, Time, Auto Power Off, Reset.
HDMI: For HD devices like gaming consoles and streaming boxes. USB: For media playback. Component: For HD analog sources.
Tip: Label HDMI inputs for easy identification of connected devices.
Access streaming apps, web browsing, and smart functions.
WARNING! Keep software updated for security and performance.
Closed Captions: Digital CC and analog captions available. Audio Description: For visually impaired. Voice Guide: Audio navigation assistance. High Contrast: Improved visibility. Parental Controls: Content filtering and app restrictions.
Unplug before cleaning. Use soft, dry cloth for screen. For stubborn stains, lightly dampen cloth with water. Do not use chemicals.
CAUTION! Never spray liquids directly on screen. Avoid abrasive materials.
FCC Part 15: Class B digital device compliant. Energy Star certified. Copyright © 2023 Toshiba; trademarks of Toshiba Visual Solutions. For support, visit www.toshibatv.com or contact 1-800-631-3811.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power cord/outlet | Check power connection; try different outlet; ensure power button is on. |
| No picture | Input selection/source | Check input selection; verify source device is on; try different HDMI port. |
| No sound | Volume/mute settings | Check volume level; ensure mute is off; verify audio settings. |
| Wi-Fi not connecting | Network/credentials | Check network name and password; restart router; move closer to router. |
| Remote not working | Batteries/obstructions | Replace batteries; ensure clear path to TV sensor; pair remote if needed. |
| Apps not loading | Internet connection | Check network connection; restart TV; update app software. |
Reset: Settings > System > Reset to factory defaults if needed.
Service: 1-800-631-3811; www.toshibatv.com