LG 42LC7D-AB Manual

The LG 42LC7D-AB is a 42-inch LCD HDTV with 1080p resolution, built-in ATSC/NTSC tuner, HDMI inputs, component video inputs, PC input, USB port, built-in speakers, remote control, on-screen display menu, parental controls, sleep timer, and picture/audio adjustments. 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 Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 42-inch LCD panel, Magic Remote, HDMI inputs, USB port, Component video inputs, PC input, Digital audio output.

Feature	Description
HDMI Inputs	For high-definition video and audio connection
Component Inputs	For component video connection
PC Input	For computer video connection
USB Port	For media playback and software updates
Digital Audio Output	For external audio system connection
AC Power Input	For power connection
ANT/CABLE Input	For antenna or cable connection
POWER	Turns TV on/standby
INPUT	Selects input source
VOLUME	Adjusts sound level

Installation

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

Connect antenna or cable: Attach coaxial cable to ANT/CABLE input.
Connect HDMI devices: Use HDMI ports for Blu-ray players, gaming consoles.
Connect PC: Use PC input and audio input for computer connection.
Connect audio: Use digital audio output for home theater systems.
Plug into AC power outlet.

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

First-Time Setup

Power on TV; follow initial setup wizard.

Select language: Choose preferred language for menu display.
Auto-tuning: Automatically scans and stores available channels.
Network setup: Configure wired or wireless network connection.
Picture settings: Adjust brightness, contrast, color, and sharpness.
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: 1920 x 1080 (1080p Full HD)
Tuner: ATSC/NTSC/QAM built-in
Sound: 10W x 2 speakers, Dolby Digital
Inputs: 3 HDMI, 2 Component, 1 PC, 1 USB, 1 Composite
Outputs: Digital audio output, headphone jack
Power Consumption: 150W typical
Power Source: 120V AC, 60Hz
Dimensions: With stand: 40.2" x 27.6" x 11.8"

Controls and Settings

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

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

Picture Settings: PICTURE MODE (Vivid, Standard, Cinema, Game), Backlight, Contrast, Brightness, Sharpness, Color, Tint. Sound Settings: SOUND MODE (Standard, Music, Cinema, Sports), Balance, Bass, Treble. Channel Settings: Auto Program, Manual Program, Channel Label. Time Settings: Sleep Timer, Auto Off. Lock Settings: Parental Controls, Input Lock.

Connecting Devices

HDMI: For digital HD video and audio. Component: For HD analog video. PC: For computer display. USB: For media playback.

Turn off TV and external devices before connecting.
Use appropriate cables for each connection type.
Select input source using INPUT button on remote.
Configure audio settings for each input if needed.

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

Smart Features

Basic smart functionality and media playback options.

USB Media Playback: Insert USB drive to play photos, music, videos.
Picture-in-Picture: Watch two sources simultaneously (where supported).
Favorite Channel: Set preferred channels for quick access.
Energy Saving: Adjust backlight to reduce power consumption.
Auto Volume: Maintains consistent volume levels between programs.

NOTE: Supported media formats may vary; check compatibility.

Accessibility Features

Closed Captions: Digital and analog caption support. Menu Language: Multiple language options. Parental Controls: V-Chip and program blocking. Input Labeling: Custom names for connected devices.

Care & Cleaning

Unplug TV before cleaning. Use soft, dry cloth for screen. For stubborn stains, lightly dampen cloth with water only.

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

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: 42LC7D-AB. Serial number located on back panel.

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; check cable connections; ensure source is on.
No sound	Volume/mute settings	Check volume level; ensure mute is off; verify audio cables.
Poor picture quality	Signal/settings	Check signal strength; adjust picture settings; ensure HD source.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear path to IR sensor; check remote mode.

Reset: Menu > Settings > Reset to Initial Settings.

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