LG 55SE3KB Manual

The LG 55SE3KB is a 55-inch LED TV with Full HD resolution, built-in digital tuner, multiple HDMI inputs, USB connectivity, Smart TV features, webOS platform, Wi-Fi connectivity, built-in speakers with audio enhancements, remote control, energy saving modes, and various picture/audio settings. 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 TV Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 55-inch LED panel, Magic Remote, HDMI inputs, USB ports, Ethernet port, Wi-Fi connectivity, Optical audio output, Component/Composite inputs.

FeatureDescription
HDMI InputsMultiple HDMI ports for HD devices
USB PortsFor media playback and recording
Ethernet PortWired internet connection
Wi-FiWireless internet connectivity
Optical Audio OutFor external audio systems
Component InputFor legacy HD devices
Composite InputFor standard definition devices
Power ButtonTurns TV on/off
Input SelectionSwitches between connected devices
Volume ControlsAdjusts audio levels

Installation

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

  1. Connect antenna or cable: Attach coaxial cable to antenna input.
  2. Connect external devices: Use HDMI ports for modern devices; Component/Composite for legacy devices.
  3. Connect to internet: Use Ethernet cable or set up Wi-Fi connection.
  4. Connect audio system: Use optical audio output for external speakers.
  5. Plug into AC power.

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

First-Time Setup

Power on TV; follow on-screen setup wizard.

  1. Select language: Choose preferred interface language.
  2. Connect to network: Set up Wi-Fi or Ethernet connection.
  3. Channel setup: Auto-scan for digital and analog channels.
  4. Smart TV setup: Sign in to LG account and streaming services.
  5. Picture settings: Calibrate brightness, contrast, and color settings.
  6. Audio settings: Configure sound modes and output options.

CAUTION! Ensure proper ventilation around TV; do not block vents.

Specifications

Controls and Settings

Access settings via Home button or Settings menu. Front controls: Power, Volume, Input selection.

Magic Remote: Power, Home, Navigation wheel, Volume, Channel, Input, Voice recognition, Quick access buttons.

Picture Settings: Picture Mode, Backlight, Contrast, Brightness, Sharpness, Color, Tint, Color Temperature. Audio Settings: Sound Mode, Equalizer, Balance, AV Sync. Network Settings: Wi-Fi, Ethernet, Network test. General Settings: Language, Time, Safety, Reset.

Connecting Devices

HDMI: For Blu-ray players, gaming consoles, streaming devices. USB: For media playback and recording. Component: For HD legacy devices. Composite: For standard definition devices.

  1. Turn off TV and devices before connecting.
  2. Use appropriate cables for each device type.
  3. Select input source via Input button or Home menu.
  4. Configure device settings in Input List menu.

Tip: Use high-speed HDMI cables for best picture quality.

Smart TV Features

webOS platform with streaming apps, web browser, and voice control.

  1. Home Dashboard: Access all apps and inputs from one screen.
  2. Streaming Apps: Netflix, YouTube, Amazon Prime, Hulu, etc.
  3. Web Browser: Full internet browsing capability.
  4. Screen Share: Mirror mobile devices to TV screen.
  5. Voice Control: Use Magic Remote for voice commands.
  6. Live Plus: Access additional information while watching TV.
  7. Content Store: Download additional apps and games.

Note: Internet connection required for Smart TV features.

Accessibility Features

Closed Captions: Digital and analog caption support. Audio Description: For visually impaired viewers. Voice Guidance: Audio feedback for menu navigation. High Contrast: Enhanced visibility for menu text. Energy Saving: Multiple power saving modes.

Care & Cleaning

Unplug TV before cleaning. Use soft, dry cloth for screen. For stubborn stains, use screen cleaner specifically designed for LCD/LED TVs.

CAUTION! Do not use chemicals, alcohol, or abrasive cleaners. Never spray liquid directly on screen.

Regulatory Information

FCC Part 15 Class B compliant. Energy Star certified. RoHS compliant. Copyright © 2023 LG Electronics. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord, outletCheck power connection; try different outlet; ensure power button is on.
No pictureInput source, cablesVerify correct input selected; check cable connections; restart TV.
No soundVolume, mute, cablesCheck volume level; ensure not muted; verify audio cable connections.
Remote not workingBatteries, obstaclesReplace batteries; ensure clear path to TV IR sensor; pair Magic Remote.
Wi-Fi connection issuesNetwork, settingsCheck router; re-enter Wi-Fi password; restart TV and router.
Apps not loadingInternet, updatesCheck internet connection; update webOS software; reset Smart TV.

Reset: Settings > General > Reset to Initial Settings

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

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