LG 55SE3KB User Manual

The LG 55SE3KB is a 55-inch Smart LED TV with 4K Ultra HD resolution, built-in digital tuner, webOS smart platform, integrated Wi-Fi, multiple HDMI inputs, USB ports, Ethernet connection, headphone jack, Magic Remote control, HDR support, voice recognition, screen mirroring, and energy-saving features. Powered by 100-240V AC, 50/60Hz. 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 4K Ultra HD LED panel with webOS smart platform, Magic Remote Control, HDMI inputs, USB ports, Ethernet port, Wi-Fi connectivity, headphone jack, component/composite inputs.

Feature	Description
HDMI inputs	For external devices like gaming consoles, Blu-ray players
USB ports	For media playback and recording
Ethernet port	For wired internet connection
Wi-Fi connectivity	For wireless internet access
Headphone jack	For private audio listening
AC input connector	For power connection
Component inputs	For high-quality analog video connection
POWER	Turns TV on/off
INPUT	Switches between input sources
VOLUME	Adjusts audio level

Installation

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

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

WARNING! TV is large and heavy; use two people for handling to avoid injury. Ensure wall mount is properly installed if used.

First-Time Setup

Power on TV; follow on-screen initial setup wizard.

Select language and country: Choose preferred language and location settings.
Connect to network: Set up Wi-Fi or wired internet connection.
Scan for channels: Automatically search for available TV channels.
Set up LG account: Create or sign in to LG account for smart features.
Adjust basic settings: Configure picture mode, sound settings, and energy saving.

CAUTION! Ensure stable surface; keep ventilation openings clear for proper cooling.

Specifications

Screen Size: 55 inches LED.
Resolution: 4K Ultra HD (3840 x 2160).
Smart Platform: webOS with LG Content Store.
Sound: 20W speakers with Clear Voice Pro, AI Sound Pro.
Connectivity: 4x HDMI, 3x USB, Ethernet, Wi-Fi, Bluetooth.
HDR Support: HDR10, HLG.
Power Source: 100-240V AC, 50/60Hz.
Operating Temp: 0°C to 40°C.

Controls and Settings

Access settings via Home button on Magic Remote or Settings menu. Front Panel: POWER, INPUT, VOLUME up/down.

Magic Remote: POWER, Navigation wheel, Home, Settings, Voice recognition, Number buttons, Input, Volume, Mute.

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

Connecting Devices

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

Turn off TV and devices before connecting.
Use high-speed HDMI cables for 4K content.
Select input via INPUT button or Home menu.
Configure device settings in External Device Manager.

Tip: Use HDMI-CEC for controlling connected devices with Magic Remote.

Smart Features

webOS platform with LG Content Store for apps and services.

Home Dashboard: Access all inputs and smart features from one screen.
App Store: Download streaming apps like Netflix, YouTube, Amazon Prime.
Screen Share: Mirror content from compatible smartphones and tablets.
Voice Control: Use Magic Remote for voice commands and search.
Live Plus: Access additional information about current program.
Multi-tasking: Use multiple apps simultaneously with split screen.

Note: Some features require internet connection and LG account.

Accessibility Features

Closed Captions: Enable in Accessibility settings. Voice Guidance: Audio description of on-screen elements. High Contrast: Enhanced visibility for visually impaired. Audio Description: Additional audio track describing visual elements.

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 screen surface.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Energy Star certified for energy efficiency. Copyright © 2024 LG Electronics; all trademarks property of LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power cord connection; test outlet; ensure power button is pressed.
No picture	Input source/cables	Verify correct input selected; check cable connections; restart TV.
No sound	Volume/mute settings	Check volume level; ensure mute is off; verify audio settings.
Wi-Fi not connecting	Network/router	Check router status; verify password; move closer to router.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear path to TV; pair Magic Remote if needed.

Reset: Settings > General > Reset to Initial Settings.

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