The LG 49LH57 is a 49-inch LED TV with Full HD resolution, built-in digital tuner, multiple HDMI inputs, USB connectivity, Smart TV features, web browsing capability, built-in Wi-Fi, audio outputs, remote control, energy saving modes, and various picture/audio enhancements. Powered by 100-240V AC, 50/60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: LED panel with Smart TV functionality, Magic Remote, HDMI inputs, USB ports, Component/Composite inputs, Ethernet port, Optical audio output.
| Feature | Description |
|---|---|
| HDMI inputs | For high-definition video and audio connection |
| USB ports | For media playback and recording |
| Built-in Wi-Fi | For wireless internet connectivity |
| Component input | For analog HD video connection |
| Composite input | For standard definition video |
| Optical audio output | For digital audio to sound systems |
| Ethernet port | For wired internet connection |
| Smart TV | Access to apps and web browsing |
| Energy Saving | Multiple power saving modes |
| POWER | Turns TV on/off |
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 installed.
Power on TV; follow on-screen setup wizard.
CAUTION! Ensure proper ventilation around TV. Keep away from heat sources.
Access settings via Home button or Settings menu. Front Panel: POWER, Volume buttons, Channel buttons, Input selection.
Magic Remote: POWER, Navigation wheel, Home, Settings, Volume, Channel, Voice recognition, Pointer function.
Picture: Picture mode (Standard, Vivid, Cinema, Game), Backlight, Contrast, Brightness, Color, Tint, Sharpness. Audio: Sound mode (Standard, Music, Cinema, Sports), Clear Voice, Auto Volume. Network: Wi-Fi setup, Network test, Software update. General: Language, Time, Safety, Reset.
HDMI: For HD devices like Blu-ray players and gaming consoles. USB: For media playback and recording. Component: For analog HD sources.
Tip: Use HDMI ARC for simplified audio system connection.
Access apps, web browsing, and streaming services.
WARNING! Keep software updated for security and performance.
Closed Captions: Digital and analog caption support. Audio Description: For visually impaired. High Contrast: For better visibility. Voice Guidance: Audio feedback for menus.
Unplug before cleaning. Use soft, dry cloth for screen. For stubborn stains, lightly dampen cloth with water only.
CAUTION! Never use chemicals, solvents, or abrasive cleaners. Do not spray liquids directly on screen.
FCC Part 15: Class B digital device compliant. Energy Star certified for energy efficiency. Copyright © 2025 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power cord/outlet | Check power connection; try different outlet; check power button. |
| No picture | Input selection/settings | Check input source; adjust picture settings; reset picture mode. |
| No sound | Volume/mute/connections | Check volume level; disable mute; verify audio connections. |
| Network issues | Wi-Fi/router | Check network connection; restart router; reconnect Wi-Fi. |
| Remote not working | Batteries/obstructions | Replace batteries; ensure clear path to TV sensor; pair Magic Remote. |
Reset: Settings > General > Reset to Initial Settings.
Service: 1-800-243-0000; www.lg.com