The LG 55UB8300 is a 55-inch 4K Ultra HD Smart LED TV with webOS platform, built-in Wi-Fi, Magic Remote compatibility, Triple XD Engine, HEVC decoding, HDMI inputs, USB ports, component/composite inputs, Ethernet port, digital audio output, and Smart TV features. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: 55-inch 4K UHD LED display, webOS Smart TV platform, Magic Remote, HDMI inputs, USB ports, component/composite inputs, Ethernet port.
| Feature | Description |
|---|---|
| Screen Size | 55-inch 4K Ultra HD LED |
| Resolution | 3840 x 2160 pixels |
| Smart TV Platform | webOS with Magic Remote |
| HDMI Inputs | 3 HDMI ports for external devices |
| USB Ports | 2 USB ports for media playback |
| Wi-Fi Connectivity | Built-in Wi-Fi for wireless networking |
| Triple XD Engine | Enhanced picture processing |
| HEVC Decoding | Supports 4K streaming content |
| Component Input | For legacy video devices |
| Digital Audio Output | Optical audio output |
Unpack and inspect contents. Place on stable surface or mount on wall.
WARNING! TV is large and heavy; use two people for handling and installation.
Power on TV; follow on-screen setup wizard.
CAUTION! Ensure TV is securely placed on stable surface or properly wall-mounted.
Access settings via Home button on Magic Remote or physical buttons on TV.
Physical Controls: Power, Volume, Channel, Input, Menu
Magic Remote: Power, Navigation wheel, Home, Settings, Voice recognition, Number buttons
Picture Settings: Picture Mode, Backlight, Contrast, Brightness, Sharpness, Color, Tint
Sound Settings: Sound Mode, Balance, Bass, Treble, Clear Voice, Auto Volume
Network Settings: Wi-Fi setup, Ethernet, Network test
General Settings: Language, Time, Safety, Eco Mode, Quick Start
Multiple connectivity options for various devices and sources.
Tip: Use HDMI ports for best picture quality with modern devices.
webOS platform provides access to streaming services and apps.
Note: Some features require internet connection and LG account.
Closed Captions: Enable in Accessibility menu. Audio Description: For visually impaired. Voice Guidance: Audio feedback for menu navigation. High Contrast: Enhanced visibility for menus.
Unplug before cleaning. Use soft, dry cloth for screen. For stubborn stains, lightly dampen cloth with water. Do not use chemicals or abrasive materials.
CAUTION! Never spray liquids directly on screen. Avoid excessive pressure when cleaning.
FCC Part 15: Class B digital device compliant. Energy Star certified. Copyright © 2014 LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000. Model: 55UB8300. Serial number located on back of TV.
| 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; ensure mute is off; check audio connections |
| Remote not working | Batteries/obstructions | Replace batteries; ensure clear line of sight to TV sensor |
| Wi-Fi connection issues | Signal strength/settings | Check router; move closer to router; re-enter password |
| Apps not loading | Internet connection | Check network connection; restart TV; update software |
| Picture quality issues | Settings/source quality | Adjust picture settings; check source device resolution |
Reset: Settings > General > Reset to Initial Settings
Software Update: Settings > General > About This TV > Check for Updates
Service: 1-800-243-0000; www.lg.com