LG 55 Inch 4K Ultra HD Smart TV Manual

The LG 55 Inch 4K Ultra HD Smart TV features a 55-inch display with 3840x2160 resolution, webOS smart platform, built-in Wi-Fi, multiple HDMI inputs, USB ports, Ethernet connection, built-in speakers with Dolby Audio, voice control compatibility, HDR support, and streaming app integration. Powered by 120V AC, 60Hz. 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 TV Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 55-inch 4K UHD display, Magic Remote, webOS smart platform, built-in Wi-Fi, multiple HDMI inputs, USB ports, Ethernet port, optical audio output.

FeatureDescription
HDMI inputsMultiple HDMI 2.0 ports for external devices
USB portsFor media playback and device connectivity
Ethernet portWired internet connection
Built-in Wi-FiWireless internet connectivity
Optical audio outputFor external sound systems
Voice controlCompatible with Google Assistant and Amazon Alexa
HDR supportHDR10 and HLG high dynamic range
webOS platformSmart TV interface with app store
Magic RemotePoint-and-click remote control
AC input connectorFor power connection

Installation

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

  1. Connect antenna or cable/satellite: Attach coaxial cable to antenna input.
  2. Connect external devices: Use HDMI ports for gaming consoles, streaming devices.
  3. Connect to internet: Use Ethernet cable or connect to Wi-Fi network.
  4. Connect audio system: Use optical audio output for external speakers.
  5. Plug into AC power.

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

First-Time Setup

Power on TV; follow on-screen setup wizard.

  1. Select language: Choose preferred language for interface.
  2. Connect to network: Select Wi-Fi network or connect Ethernet cable.
  3. Sign in to LG account: Create or sign in to access smart features.
  4. Program channels: Auto-scan for available channels.
  5. Configure voice assistant: Set up Google Assistant or Amazon Alexa.
  6. Install apps: Access LG Content Store to download streaming apps.

CAUTION! Ensure stable surface; keep ventilation areas clear.

Specifications

Controls and Settings

Access settings via Home button on Magic Remote. Front Panel: Power button, Input selection.

Magic Remote: Power, Home, Navigation wheel, Voice control, Number buttons, Volume, Input, Settings.

Picture: Picture mode (Standard, Vivid, Cinema, Game), Brightness, Contrast, Color, Sharpness, Backlight, Color Temperature. Audio: Sound mode (Standard, Music, Cinema, Sports), Equalizer, Balance, Auto Volume. Network: Wi-Fi setup, Ethernet, Network test. General: Language, Time, Safety, Reset.

Connecting Devices

HDMI: Connect gaming consoles, Blu-ray players, streaming devices. USB: Connect storage devices for media playback. Optical Audio: Connect to soundbar or home theater system.

  1. Turn off TV and devices before connecting.
  2. Use high-speed HDMI cables for 4K content.
  3. Select input via Input button (HDMI 1, HDMI 2, etc.).
  4. Configure device settings in Home Dashboard.

Tip: Use HDMI-CEC for device control through TV remote.

Smart TV Features

Access streaming services, web browsing, and apps through webOS platform.

  1. Home Screen: Press Home button to access apps and settings.
  2. LG Content Store: Download additional apps and games.
  3. Live TV: Access broadcast channels and program guide.
  4. Screen Share: Mirror smartphone or tablet screen.
  5. Voice Control: Use Magic Remote for voice commands.
  6. Universal Control: Control connected devices with TV remote.
  7. Software Updates: Automatic updates for new features.

WARNING! Keep software updated for security and performance.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Voice Guidance: Audio descriptions for visually impaired. High Contrast: Enhanced visibility for low vision. Audio Description: Narrative descriptions of on-screen action.

Care & Cleaning

Unplug 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 pressure on display panel.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © 2024 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No picturePower/input selectionCheck power connection; ensure correct input selected.
No internet connectionNetwork settingsCheck Wi-Fi/Ethernet connection; restart router.
Remote not workingBatteries/pairingReplace batteries; re-pair Magic Remote.
Sound issuesAudio settings/connectionsCheck audio output settings; verify cable connections.
Apps not loadingInternet/updatesCheck internet connection; update app software.
Picture quality issuesSettings/sourceAdjust picture settings; check source quality.

Reset: Settings > General > Reset to Initial Settings.

Service: 1-800-243-0000; www.lg.com

LG 55 Inch 4K Ultra HD Smart TV Manual © - All Rights Reserved 2025