LG 42LD790 Manual

The LG 42LD790 is a 42-inch LCD HDTV with Full HD 1080p resolution, built-in digital tuner, multiple HDMI inputs, USB connectivity, Smart TV features, energy saving technology, and advanced picture processing. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 42-inch Full HD LCD panel, Magic Remote, multiple HDMI inputs, USB ports, Ethernet port, component/composite inputs.

Feature	Description
HDMI Inputs	Multiple HDMI 1.4 ports for HD devices
USB Ports	For media playback and recording
Ethernet Port	For wired internet connection
Component Input	For HD component video sources
Composite Input	For standard definition sources
Digital Audio Output	Optical audio output
Headphone Jack	For private audio listening
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 input.
2. Connect HDMI devices: Use HDMI ports for Blu-ray players, gaming consoles.
3. Connect network: Use Ethernet cable or Wi-Fi for Smart TV features.
4. Connect audio: Use optical output for home theater systems.
5. 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.

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

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

Specifications

• Screen Size: 42 inches LCD
• Resolution: Full HD 1920x1080
• TV System: ATSC/NTSC/QAM
• Sound: 10W x 2 speakers, Dolby Digital
• Connectivity: 4x HDMI, 3x USB, Component, Composite, Ethernet
• Smart TV: WebOS platform with app store
• Energy Rating: Energy Star compliant
• Power Consumption: 70W typical, 0.3W standby
• Dimensions: With stand: 38.2" x 25.6" x 9.8"

Controls and Settings

Access settings via Magic Remote or front panel buttons. Front Panel: POWER, INPUT, VOLUME, MENU.

Magic Remote: POWER, Navigation wheel, Back, Home, Volume, Mute, Input, Quick Settings.

Picture Settings: Picture Mode, Backlight, Contrast, Brightness, Sharpness, Color, Tint. Sound Settings: Sound Mode, Balance, Equalizer. Network: Internet connection, LG Content Store. System: Time, Language, Safety, Reset.

Connecting Devices

HDMI: For HD devices like Blu-ray players and gaming consoles. Component: For HD component video sources. USB: For media playback and recording.

1. Turn off TV and devices before connecting.
2. Use high-speed HDMI cables for best performance.
3. Select input via INPUT button or Home menu.
4. Configure device settings in Input List menu.

Tip: Label inputs for easy identification of connected devices.

Smart TV Features

WebOS platform with app store, web browser, and streaming services.

1. Home Dashboard: Access all Smart features from one screen.
2. LG Content Store: Download apps and games.
3. Web Browser: Surf the internet on your TV.
4. Screen Share: Mirror content from compatible devices.
5. Media Player: Play photos, music, and videos from USB.
6. Magic Remote: Point and click navigation.
7. Voice Control: Use voice commands for certain functions.

Note: Some features require internet connection and LG account.

Accessibility Features

Closed Captions: Digital CC and analog caption support. Audio Description: For visually impaired users. High Contrast: Enhanced visibility for menus. Voice Guidance: Audio feedback for menu navigation.

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: 42LD790

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; check circuit breaker.
No picture	Input selection/cables	Select correct input; check cable connections; reset TV.
No sound	Volume/mute settings	Check volume level; disable mute; check audio cables.
Remote not working	Batteries/obstacles	Replace batteries; ensure line of sight to TV sensor.
Network issues	Connection/settings	Check network cables; reboot router; re-enter Wi-Fi password.
Picture quality issues	Settings/signal	Adjust picture settings; check signal strength; use better cables.

Reset: Settings > General > Reset to Initial Settings

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