LG 55LHX Owners Manual

The LG 55LHX is a 55-inch LCD HDTV with 1080p Full HD resolution, built-in digital tuner, multiple HDMI inputs, USB connectivity, Smart TV features, Ethernet port, component/composite inputs, headphone jack, remote control, advanced picture settings, audio enhancements, parental controls (default password 0000), sleep timer, and energy saving modes. 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 LCD panel with Full HD 1080p resolution, Magic Remote, HDMI inputs, USB ports, Ethernet port, Component/Composite inputs, Headphone jack, Optical audio output.

Feature	Description
HDMI inputs	For high-definition video and audio connections
USB ports	For media playback and software updates
Ethernet port	For wired internet connection
Component inputs	For high-quality analog video
Composite inputs	For standard video connections
Headphone jack	For private audio listening
Optical audio output	For connection to external audio systems
POWER	Turns TV on/off
INPUT	Selects input source
VOLUME	Adjusts audio level

Installation

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

Connect antenna or cable/satellite: Attach coaxial cable to ANTENNA/CABLE input.
Connect HDMI devices: Use HDMI ports for Blu-ray players, gaming consoles, etc.
Connect network: Use Ethernet cable or Wi-Fi for Smart TV features.
Connect audio system: Use optical audio output for home theater.
Plug into AC power.

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

First-Time Setup

Power on TV; follow on-screen setup wizard.

Select language: Choose preferred language for menus and guides.
Scan for channels: Auto-scan for digital and analog channels.
Connect to network: Set up Wi-Fi or Ethernet connection.
Set up Smart TV: Log into LG account and configure apps.
Adjust picture settings: Use Quick Picture modes or custom settings.

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

Specifications

Screen Size: 55 inches LCD.
Resolution: 1920 x 1080 Full HD.
Tuner: ATSC/NTSC/QAM digital tuner.
Sound: 20W speakers with Clear Voice, Virtual Surround.
Connectivity: 4x HDMI, 3x USB, Ethernet, Component, Composite, Optical audio.
Smart TV: webOS with app store, streaming services.
Power Consumption: 120W typical, 0.3W standby.
Dimensions: 48.5" W x 28.3" H x 2.4" D (without stand).
Weight: 41.9 lbs (without stand).

Controls and Settings

Access menu via remote or side controls. Front Panel: POWER, INPUT, VOLUME, MENU.

Magic Remote: POWER, Navigation wheel, BACK, HOME, INPUT, VOLUME, MUTE, Voice recognition, Quick access buttons.

Picture: Picture Mode (Vivid, Standard, Cinema, Game), Backlight, Contrast, Brightness, Sharpness, Color, Tint. Audio: Sound Mode (Standard, Music, Cinema, Sports), Equalizer, AV Sync. Network: Wi-Fi setup, Network test, Software update. General: Language, Time, Safety, Reset.

Connecting Devices

HDMI: For HD devices. Component: For analog HD. Composite: For standard devices. USB: For media and storage.

Turn off TV and devices before connecting.
Use appropriate cables for each device type.
Select input via INPUT button (HDMI 1-4, Component, AV, TV).
Configure device settings in input label menu.

Tip: Use high-speed HDMI cables for best 1080p performance.

Smart TV Features

Access streaming services, apps, and web browsing.

Press HOME button to access Smart Home.
Navigate using Magic Remote wheel.
Select apps: Netflix, YouTube, Amazon Prime, Hulu, etc.
Browse web: Use built-in browser for internet access.
Media playback: Play photos, music, videos from USB devices.
Screen share: Mirror mobile devices using Miracast.
Software updates: Keep system updated automatically.

Note: Internet connection required for Smart TV features.

Accessibility Features

Closed Captions: Digital and analog caption support. Audio Description: For visually impaired. High Contrast: Enhanced visibility. Voice Guidance: Audio menu navigation. Parental Controls: Channel and content blocking (password 0000).

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen. For stubborn stains, lightly dampen cloth with water. Do not use chemicals.

CAUTION! Never spray liquids directly on screen. Avoid abrasive materials.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; check circuit breaker.
No picture	Input/settings	Select correct input; check source device; reset picture settings.
No sound	Audio settings	Check mute; volume level; audio output settings; external speakers.
Remote not working	Batteries/obstacles	Replace batteries; ensure line of sight to TV; pair Magic Remote.
Network issues	Connection/settings	Check network connection; restart router; update software.
Pixel issues	Manufacturing	Run pixel refresher; contact support if persistent dead pixels.

Reset: Settings > General > Reset to Initial Settings.

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