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LG 42LH20R-MA User Manual

LG 42LH20R-MA
124 pages
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Please read this manual carefully before operating
your set and retain it for future reference.
The model and serial number of the TV is located
on the back and one side of the TV.
Record it below should you ever need service.
LCD TV
OWNER’S MANUAL
19LH20R
22LH20R
26LH20R
32LH20R
37LH20R
42LH20R
32LF20FR
42LF20FR
P/NO : MFL58486305 (0905-REV07)
www.lge.com
Model:
Serial:
32LH30FR
37LH30FR
42LH30FR
47LH30FR
42LH50YR
47LH50YR
55LH50YR
19LU50R
22LU50FR
26LU50FR
32LH70YR
42LH70YR
47LH70YR
42LH90QR
47LH90QR
MFL58486305-Edit1-en 5/29/09 1:09 PM Page 1

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LG 42LH20R-MA Specifications

General IconGeneral
Screen Size42 inches
Resolution1366 x 768
Display TechnologyLCD
Aspect Ratio16:9
Refresh Rate60 Hz
Sound Output20W
InputsHDMI, Component, Composite, RF

Summary

LCD TV Owner's Manual

Model and Serial Number Recording

Space to record TV model and serial number for service reference.

Important Safety Warnings

Electric Shock and Fire Prevention

Precautions against electric shock and fire hazards, including not removing covers and avoiding moisture.

General Safety Instructions

Essential Safety Guidelines for Operation

Key safety instructions for operating and maintaining the TV safely.

Advanced Safety Precautions

Power Cord and Product Exposure Safety

Guidelines for safe power cord handling and warnings about product exposure to elements.

TV Care and Disposal

Cleaning, LCD Specifics, and Disposal

Instructions for cleaning, notes on LCD behavior, and guidance for proper product disposal.

Key TV Features Overview

Audio Enhancements and DivX Playback

Details on SRS TruSurround XT, Dolby, and DivX video playback capabilities.

Image Burn-In Prevention

Important information to prevent permanent image imprinting on the TV screen.

Included Accessories

Accessory Identification Guide

Visual guide to identify various accessories included with the TV for setup.

Front Panel Controls

Button Layouts for Different Models

Illustrations showing the location and function of buttons on the TV's front panel for various models.

Back Panel Connectivity

Identifying Rear Panel Ports and Jacks

Diagrams showing the location and labels of various input/output ports on the TV's back panel.

TV Stand Installation and Removal

Stand Setup Procedures for Specific Models

Step-by-step instructions for attaching and detaching the TV stand for specific models.

TV Stand Installation and Removal (Continued)

Stand Setup for Multiple Model Series

Instructions for stand installation, detachment, and protection cover for several TV series.

VESA Wall Mounting Guide

Mounting Compatibility and Safety Precautions

Guidelines for VESA wall mounting, including compatibility charts and safety cautions.

Cable Management Solutions

Organizing TV Cables with Management Clips

Instructions on how to use cable management clips to neatly arrange TV cables for different models.

Antenna and Cable Connections

Analog Antenna and Cable TV Setup Guide

Guide for connecting analog TV antennas and cable TV for optimal reception.

Connecting External Equipment: HD Receiver

Component Connection for HD Receivers

Step-by-step guide for connecting an HD receiver via component cables and selecting the input source.

Connecting External Equipment: HDMI

Digital HDMI Connectivity and Compatibility

Instructions for connecting digital devices via HDMI, noting cable version and format support.

Connecting External Equipment: DVD Player

Component Connection for DVD Players

Detailed instructions for connecting a DVD player using component cables for better picture quality.

Connecting External Equipment: VCR Setup

Antenna Connection for VCR

Steps to connect the TV antenna to the VCR for signal reception.

Connecting External Equipment: PC Setup

VGA Connection for PC Input

Guide for connecting a PC using VGA, including supported resolutions and potential image issues.

PC Screen Setup: Resolution Adjustment

Selecting and Adjusting Display Resolution

Instructions on how to select and adjust the screen resolution for PC input.

USB Device Connectivity

Connecting and Using USB Storage Devices

Steps for connecting USB storage devices and important precautions for their use.

Remote Control Functions

Basic Remote Button Operations

Explanation of the functions of various buttons on the remote control for specific TV models.

Basic TV Operation

Powering On, Channel Selection, and Volume Control

Steps to power on the TV, change channels, and adjust volume using the remote or panel buttons.

Initial Setup Wizard

First-Time TV Configuration Steps

Guide through the initial setup process, including language selection, mode setting, and auto tuning.

Navigating On-Screen Menus

Menu Structure and Input Source Selection

Explanation of how to access main TV menus and select input sources.

Quick Menu Features

Accessing Frequent Settings Quickly

Description of the Quick Menu and its features for frequently used settings like Aspect Ratio and Picture Mode.

Channel Setup: Auto Tuning

Automatic Channel Scanning Process

Instructions to automatically scan for and store available TV channels.

Favorite Channel Management

Setting Up and Adding Favorite Channels

Guide on how to quickly select preferred channels by adding them to a favorite list.

Input Source Selection

Managing and Selecting Input Sources

Explanation of how to select different input sources (TV, AV, Component, PC, HDMI) for various devices.

SIMPLINK Connectivity

Controlling Connected HDMI Devices

How to use SIMPLINK to control compatible AV devices connected via HDMI.

Bluetooth Connectivity Overview

Understanding Bluetooth Technology and Precautions

Introduction to Bluetooth technology and its capabilities on the TV, including precautions.

Bluetooth Headset Connection

Pairing and Connecting Bluetooth Headsets

Guide on how to connect new or already registered Bluetooth headsets for wireless audio.

Bluetooth Media Playback

Viewing Photos and Listening to Music via Bluetooth

Instructions for viewing photos and listening to music from Bluetooth devices.

USB Device Connectivity

Connecting and Using USB Storage Devices

Steps for connecting USB storage devices and important precautions for their use.

USB Photo Playback

Navigating the Photo List Interface

Explanation of the photo list screen components and how to navigate it.

USB Music Playback

Navigating the Music List Interface

Explanation of the music list screen components and how to navigate it for MP3 playback.

USB Movie Playback

Supported Movie Files and Playback Precautions

Information on supported video and audio formats, subtitle requirements, and playback precautions.

DivX Content Access

Registering for DivX Content Access

Information on obtaining and using the DivX registration code for renting or purchasing content.

Picture Settings: Aspect Ratio Control

Adjusting Picture Aspect Ratio

How to change the picture's aspect ratio (4:3, 16:9, Zoom) for optimal viewing.

Picture Settings: Preset Picture Modes

Selecting and Understanding Preset Picture Modes

Guide to selecting factory preset picture modes like Vivid, Standard, Cinema, and others.

Picture Settings: Manual Picture Adjustment

Customizing Picture Appearance (User Mode)

Instructions for manually adjusting picture settings like Backlight, Contrast, Brightness, Sharpness, Color, and Tint.

Picture Settings: Energy Saving

Optimizing Power Consumption and Brightness

How to use Energy Saving modes to reduce power consumption and adjust screen brightness.

Picture Settings: Reset Function

Restoring Default Picture Settings

Instructions to reset picture settings to their original factory defaults.

System Indicator Settings

Configuring Power and Standby Lights

How to adjust the front panel power and standby indicator lights.

Sound Settings: Auto Volume Leveler

Maintaining Consistent Volume Levels

How to use Auto Volume to ensure stable volume levels across different programs and broadcasts.

Sound Settings: Clear Voice II

Enhancing Voice Clarity in Audio

Instructions to improve voice clarity in audio output by adjusting the Clear Voice II feature.

Sound Settings: Preset Sound Modes

Selecting and Understanding Sound Modes

Guide to selecting preset sound modes like Standard, Music, Cinema, Sport, and Game for optimal audio.

Sound Settings: Speaker Balance

Adjusting Left/Right Speaker Balance

How to adjust the left/right sound balance of the TV speakers.

Audio Output Configuration

Choosing Audio Output Source (Monitor/Variable)

How to select audio output options like Monitor Out or Variable Out for external audio connections.

Time Settings: Clock Setup

Setting the TV Clock for Timer Functions

Instructions to set the TV's internal clock correctly for timer functions.

Time Settings: On/Off Timer

Configuring Automatic Power On/Off Times

Guide to setting the TV to turn on or off automatically at a specified time.

Troubleshooting Common Issues

Remote Control and Power Problems

Solutions for problems related to the remote control not working or the TV suddenly turning off.

Picture and Sound Troubleshooting

Troubleshooting steps for issues like no picture, poor color, lines, or no sound.

Troubleshooting PC and Audio Issues

PC Mode Connectivity and Audio Problems

Solutions for issues encountered when connecting a PC or with audio playback.

Maintenance and Care

Cleaning Procedures and Absence Precautions

Instructions for safely cleaning the TV and precautions for extended absence.

Product Specifications Overview

Model Dimensions and Weight Details

Table detailing the physical dimensions and weight of various TV models.

Infrared Remote Control Codes

IR Signal Structure and Timing Details

Technical details about the structure, timing, and waveform of infrared remote control signals.

External Control via RS-232C Interface

RS-232C Port Configuration and Parameters

Information on connecting external devices via RS-232C, including pinouts and communication parameters.

Command Reference List

Hexadecimal Command Mapping Overview

A comprehensive table mapping commands, functions, and hexadecimal data for TV control.

Command Reference Details (Part 1)

Power, Aspect Ratio, and Sound Commands

Detailed explanation of commands for controlling power, aspect ratio, screen mute, and volume.

Command Reference Details (Part 2)

Sound and Picture Adjustment Commands

Details on commands for adjusting treble, bass, balance, color temperature, and energy saving.

Command Reference Details (Part 3)

Channel Tuning and Input Selection Commands

Commands for channel tuning, adding/deleting channels, key input, and selecting input sources.

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