LG 55LH40-UA Manual

The LG 55LH40-UA is a 55-inch LCD HDTV with 1080p Full HD resolution, built-in ATSC/NTSC/QAM tuner, HDMI inputs, USB 2.0 port, component video inputs, AV composite inputs, PC input, Ethernet port, built-in speakers, remote control, Smart Energy Saving feature, picture and sound modes, and various connectivity options. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 55-inch LCD panel, Magic Remote, HDMI inputs, USB port, Component video inputs, Ethernet port, Audio output.

Feature	Description
HDMI inputs	For high-definition video and audio connection
USB 2.0 port	For multimedia playback from USB devices
Component video inputs	For high-quality analog video connection
Ethernet port	For network connectivity
Audio output	For external speaker or audio system connection
PC input	For computer video connection
AV input	Composite video and audio inputs
POWER	Turns TV on/standby
INPUT	Selects input source
MENU	Accesses main menu system

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 HDMI devices: Use HDMI ports for Blu-ray players, gaming consoles.
3. Connect USB devices: Insert USB drive for media playback.
4. Connect to network: Use Ethernet cable for internet connectivity.
5. Plug into AC power.

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

First-Time Setup

Power on TV; follow on-screen setup wizard.

1. Select language: Choose preferred language for menus.
2. Auto tuning: Automatically scans for available channels.
3. Network setup: Configure wired or wireless network connection.
4. Picture settings: Adjust brightness, contrast, color, and sharpness.
5. Sound settings: Configure audio output and sound modes.

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.
• Sound: 10W x 2 speakers with various sound modes.
• Connectivity: 4 HDMI, 2 USB, Component, Composite, PC input, Ethernet.
• Energy Saving: Smart Energy Saving feature.
• Power Source: 120V AC, 60Hz.
• Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Access menu system via MENU button. Front Panel: POWER, INPUT, MENU, Volume buttons.

Remote: POWER, Numeric buttons, INPUT, VOLUME, MUTE, MENU, Navigation buttons, Quick Menu.

Picture: Expert, Standard, Vivid, Cinema, Game modes with adjustable brightness, contrast, color, sharpness. Sound: Standard, Music, Cinema, Sports, Game modes with adjustable bass, treble, balance. Network: Wired and wireless setup options. System: Language, time, lock settings.

Connecting Devices

HDMI: For high-definition sources. Component: For analog HD sources. USB: For media playback.

1. Turn off TV and devices before connecting.
2. Use appropriate cables for each connection type.
3. Select input source via INPUT button (TV, HDMI, Component, AV, PC).
4. Configure device settings in menu if necessary.

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

Using USB Features

Supports photo, music, and video playback from USB devices.

1. Insert USB device: Connect USB drive to USB port.
2. Access media: Press INPUT, select USB source.
3. Navigate: Use arrow buttons to browse files.
4. Play: Select file and press OK to play.
5. Photo: Supports JPEG files with slide show feature.
6. Music: Supports MP3 files with playlist creation.
7. Video: Supports various video formats.

WARNING! Safely eject USB devices before removal. Do not remove during file transfer.

Accessibility Features

Closed Captions: Digital and analog caption support. Energy Saving: Auto power off, brightness control. Parental Controls: Channel and content blocking with password protection.

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 LCD panel.

Regulatory Information

FCC Part 15: Class B digital device compliant. Energy Star qualified. Copyright © LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000. Model: 55LH40-UA.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; ensure power button is on.
No picture	Input selection/cables	Select correct input source; check cable connections; adjust brightness.
No sound	Volume/mute settings	Check volume level; ensure mute is off; verify audio cables.
Remote not working	Batteries/obstacles	Replace batteries; point remote at sensor; remove obstacles.
Poor picture quality	Settings/signal	Adjust picture settings; check signal source; use better cables.

Reset: Menu > Settings > Reset to Initial Settings.

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