Toshiba 43LF621U21 User Manual

The Toshiba 43LF621U21 is a 43-inch 4K Ultra HD Smart LED TV with HDR compatibility, built-in Wi-Fi, multiple HDMI inputs, USB ports, Ethernet connectivity, voice remote control, Dolby Audio, Alexa compatibility, and smart features including streaming apps. 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 4K Ultra HD LED display with smart capabilities, Voice Remote Control, multiple HDMI inputs, USB ports, Ethernet port, Wi-Fi connectivity.

Feature	Description
HDMI inputs	Multiple HDMI ports for external devices
USB ports	For media playback and device charging
Ethernet port	Wired internet connection
Wi-Fi	Built-in wireless connectivity
Optical audio output	For external sound systems
Component video input	For legacy video devices
Voice Remote	Voice control and navigation
Alexa compatibility	Works with Amazon Alexa devices
Dolby Audio	Enhanced sound quality
HDR compatibility	High Dynamic Range support

Installation

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

Connect antenna or cable/satellite: Attach coaxial cable to antenna input.
Connect external devices: Use HDMI ports for modern devices; component for legacy devices.
Connect to internet: Use Ethernet cable or set up Wi-Fi connection.
Plug into AC power outlet.

WARNING! TV is large and heavy; use two people for handling and installation. Ensure wall mount is properly secured if wall mounting.

First-Time Setup

Power on TV; follow on-screen setup wizard.

Select language: Choose preferred language for interface.
Connect to network: Select Wi-Fi network or connect Ethernet cable.
Scan for channels: Auto-program TV channels for antenna/cable input.
Sign in to accounts: Log in to streaming services and smart features.
Configure voice remote: Pair remote and set up voice control features.

CAUTION! Ensure TV is placed on stable surface and all cables are properly connected before powering on.

Specifications

Screen Size: 43 inches LED
Resolution: 4K Ultra HD (3840 x 2160)
HDR: HDR10 and HLG compatible
Smart Platform: Toshiba Smart TV
Audio: Dolby Audio, 20W output
Connectivity: 3x HDMI, 2x USB, Ethernet, Wi-Fi, Optical audio
Voice Control: Built-in voice remote with Alexa compatibility
Power Consumption: Energy Star certified
VESA Mount: 200mm x 200mm compatible

Controls and Settings

Access settings via Home button or Settings menu. Front controls: Power, Volume, Channel, Input.

Voice Remote: Power, Voice button, Navigation pad, Volume, Mute, Home, Back, Settings, App shortcuts.

Picture Settings: Picture mode, Backlight, Brightness, Contrast, Color, Tint, Sharpness. Audio Settings: Sound mode, Balance, Equalizer, Surround sound. Network Settings: Wi-Fi, Ethernet, Network status. System Settings: Language, Time, Parental controls, Software update.

Connecting Devices

HDMI: For modern devices like gaming consoles, streaming devices. USB: For media playback and storage devices. Component: For legacy gaming consoles and DVD players.

Turn off TV before connecting devices.
Connect HDMI cables to HDMI ports.
For audio systems, use optical audio output.
Select input source using Input button on remote.

Tip: Use high-speed HDMI cables for 4K HDR content to ensure best picture quality.

Smart Features

Access streaming apps, web browsing, and smart home integration.

Press Home button to access smart menu.
Navigate to desired app using voice remote or navigation buttons.
Sign in to streaming services for personalized content.
Use voice commands for search and navigation.
Connect to Alexa devices for voice control integration.
Update apps and software through settings menu.

WARNING! Ensure stable internet connection for optimal smart feature performance. Keep software updated for security and performance.

Accessibility Features

Closed Captions: Enable in accessibility settings. Voice Guide: Audio description for visually impaired. High Contrast: Enhanced visibility for low vision. Parental Controls: Content restrictions and viewing limits.

Care & Cleaning

Unplug TV before cleaning. Use soft, dry cloth for screen; slightly damp cloth for cabinet. Do not use chemicals or abrasive materials.

CAUTION! Never spray liquids directly on screen. Avoid excessive pressure when cleaning display.

Regulatory Information

FCC Part 15: Class B digital device compliant with interference limits. Energy Star certified for energy efficiency. Copyright © 2023 Toshiba; all rights reserved. For support, visit www.toshiba.com or contact 1-800-631-3811.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; ensure power button is on.
No picture	Input source/cables	Verify correct input source; check cable connections; restart TV.
No sound	Audio settings/mute	Check volume level; verify mute is off; check audio output settings.
Wi-Fi not connecting	Network/credentials	Verify network password; restart router; check network signal strength.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear path to TV sensor; re-pair remote if needed.

Reset: Settings > System > Reset to factory defaults if needed.

Service: 1-800-631-3811; www.toshiba.com/support