LG 37LH20-UA Manual

The LG 37LH20-UA is a 37-inch LCD HDTV with 1080p resolution, built-in ATSC/NTSC/QAM tuners, HDMI inputs, USB 2.0 port for media playback, component video inputs, AV composite inputs, PC input, Ethernet port for network connectivity, built-in speakers, remote control, picture-in-picture capability, energy saving features, and various picture modes. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 37-inch Full HD LCD panel, Magic Remote, HDMI inputs, USB port, Component inputs, Ethernet port, AV input jacks.

Feature	Description
HDMI Inputs	For high-definition video and audio connection
USB 2.0 Port	For media playback from USB devices
Component Video Inputs	For high-quality analog video
Ethernet Port	For network connectivity and smart features
PC Input	For computer connection
AV Input Jacks	Composite video and L/R audio inputs
Digital Audio Output	For external audio systems
Power Button	Turns TV on/off
Input Select	Switches between input sources
Menu Button	Accesses main settings menu

Installation

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

1. Connect antenna or cable: Attach coaxial cable to ANTENNA/CABLE input.
2. Connect HDMI devices: Use HDMI ports for Blu-ray players, gaming consoles.
3. Connect network: Use Ethernet cable for internet connection.
4. Connect USB devices: Insert USB drive for media playback.
5. Plug into AC power outlet.

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 menus.
2. Auto channel scan: Automatically programs available channels.
3. Network setup: Configure wired or wireless network connection.
4. Picture settings: Choose picture mode (Standard, Vivid, Cinema, etc.).
5. Sound settings: Adjust audio preferences and speaker settings.

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

Specifications

• Screen Size: 37 inches LCD
• Resolution: 1920 x 1080 Full HD
• Tuner: ATSC/NTSC/QAM
• Connectivity: 3 HDMI, 2 USB, Component, Composite, PC Input, Ethernet
• Sound Output: 10W x 2
• Energy Rating: Energy Star compliant
• Power Consumption: 110W (typical)
• Power Source: 120V AC, 60Hz
• Dimensions: 35.2" x 22.4" x 3.5" (with stand)

Controls and Settings

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

Remote: POWER, Number buttons, INPUT, VOLUME, MUTE, MENU, GUIDE, EXIT, Navigation arrows.

Picture Settings: Picture Mode, Backlight, Contrast, Brightness, Sharpness, Color, Tint. Sound Settings: Sound Mode, Balance, Bass, Treble. Network Settings: Network Configuration, Software Update. Additional Settings: Time, Captions, Parental Controls.

Connecting Devices

Multiple input options: HDMI, Component, Composite, PC, USB.

1. Turn off TV before connecting devices.
2. Use appropriate cables for each device type.
3. Select input source using INPUT button on remote.
4. For best quality, use HDMI connections when available.

Tip: Label cables for easy identification of connected devices.

Network and USB Features

Network connectivity enables software updates and media streaming.

1. Connect to network: Use Ethernet cable or wireless adapter.
2. Software updates: Check for latest firmware in settings.
3. USB media playback: Insert USB drive and select USB input.
4. Supported formats: JPEG, MP3, DivX, MPEG
5. Media navigation: Use remote to browse and play files.

WARNING! Only use supported file formats; safely eject USB devices.

Accessibility Features

Closed Captions: Digital and analog caption support. Audio Description: For visually impaired viewers. Parental Controls: Channel and content blocking with PIN protection.

Care & Cleaning

Unplug TV 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 certified. Copyright © LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000. Model: 37LH20-UA

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; check power button.
No picture	Input source/cables	Verify correct input selected; check cable connections; restart TV.
No sound	Volume/mute settings	Check volume level; verify mute is off; check audio cables.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear path to IR sensor; check remote mode.
Poor picture quality	Settings/signal	Adjust picture settings; check signal strength; verify source quality.
Network issues	Connection/settings	Check Ethernet cable; verify network settings; restart router.

Reset: Menu > Settings > Reset to Initial Settings if needed.

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