Installation Guide
Tools Needed:
- Phillips screwdriver
- Level
- Measuring tape
- Power drill (optional for wall mounting)
- Cable management clips
Step-by-Step Setup
- Unbox and Inspect: Carefully remove all packaging materials and check for any visible damage to the TV and accessories.
- Choose Location: Select a stable, flat surface or properly rated wall mount location with adequate ventilation.
- Attach Stand: Secure the TV stand using the provided screws and ensure it is firmly attached.
- Connect Power: Plug the power cord into a grounded electrical outlet.
- Connect External Devices: Connect HDMI cables for gaming consoles, streaming devices, or other peripherals.
- Antenna/Cable Connection: Connect your antenna or cable TV source to the RF input.
- Initial Setup: Turn on the TV and follow the on-screen setup wizard to configure language, Wi-Fi, and channels.
Specifications
| Model Series | 24LF421U21 |
| Display Type | LED LCD |
| Screen Size | 24 Inches |
| Resolution | 1366 x 768 HD Ready |
| Smart Platform | Fire TV Edition |
| Refresh Rate | 60Hz |
| Connectivity | Wi-Fi, Ethernet, 3x HDMI, 1x USB, RF Input |
| Audio | 2x 10W Speakers, Dolby Audio |
| Power Consumption | 30W (typical) |
| Dimensions (with stand) | 55.9 x 35.6 x 19.3 cm |
| Weight | 3.2 kg |
| VESA Wall Mount | 100x100 mm |
Warranty Information
- Full Warranty: 1 year parts and labor
- Panel Warranty: 2 years on LCD panel
- Extended Coverage: Optional protection plans available
For warranty service, contact Toshiba Customer Service at 1-800-631-3811 or visit Toshiba.com
Key Features
Fire TV Built-in
Access over 1 million movies and TV episodes from Netflix, Prime Video, Disney+, and more with the integrated Fire TV experience.
Alexa Voice Control
Use your voice to launch apps, search for content, control playback, and smart home devices with the included Alexa Voice Remote.
HD Ready Resolution
1366x768 resolution delivers clear, detailed images with vibrant colors and good contrast for an enhanced viewing experience.
Dolby Audio
Enhanced audio technology provides clear dialogue and rich sound quality for an immersive entertainment experience.
Multiple Connectivity
Three HDMI ports, USB input, and built-in Wi-Fi allow easy connection to gaming consoles, streaming devices, and external storage.
Energy Efficient
LED backlight technology and power saving features reduce energy consumption while maintaining excellent picture quality.
Smart Features Explained
Live TV Integration
Seamlessly switch between streaming apps and live TV with unified search and recommendations
App Store Access
Download additional apps and games from the Amazon Appstore to customize your entertainment
Screen Mirroring
Mirror content from compatible smartphones and tablets directly to your TV screen
Parental Controls
Set viewing restrictions and create profiles for different family members
Automatic Updates
Receive the latest features and security updates automatically over Wi-Fi
Multi-language Support
Interface available in multiple languages with customizable subtitle options
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| TV won't turn on | Power cord disconnected, outlet issue, remote battery dead | Check power connections, try different outlet, replace remote batteries |
| No picture but sound | Input source incorrect, backlight issue, brightness settings | Check input source, adjust picture settings, reset to factory defaults |
| No sound | Volume muted, audio settings, external speaker connection | Check volume, audio settings, ensure internal speakers selected |
| Wi-Fi connection issues | Router distance, signal interference, incorrect password | Move closer to router, check password, restart router and TV |
| Remote not working | Batteries dead, IR sensor blocked, pairing issue | Replace batteries, ensure clear path to IR sensor, re-pair remote |
| Apps not loading | Internet connection, app updates needed, cache issues | Check internet, update apps, clear app cache or reinstall |
Common Error Codes
- No Signal: Check input source and cable connections
- Network Error: Verify Wi-Fi connection and router settings
- App Crash: Clear app cache or reinstall the application
- Update Failed: Check internet connection and storage space
- Audio Sync: Adjust audio delay settings in sound menu
- Overheating: Ensure proper ventilation around TV unit
Manual Downloads
Current Model Manuals
24LF421U21
24" Fire TV Edition
24LF422U21
24" Smart LED TV
24LF423U21
24" HD Ready TV
24LF424U21
24" Alexa Built-in
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