LG 19LU55 - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

This document is an owner's manual for various models of LG LCD TVs. It provides comprehensive information on safety, setup, operation, and maintenance.

Function Description

The LG LCD TVs covered by this manual are designed for high-definition television viewing, supporting digital broadcast and playback systems with 16:9 aspect ratio screens and AC3 digital audio. They are capable of displaying HDTV formats including 1080i and 720p resolutions.

Key Features:

AV Mode: Optimizes picture and audio settings for Cinema, Sports, and Game modes based on content.
ISFccc Ready: Supports detailed calibrations for professional certification by the Imaging Science Foundation, enabling "day" and "night" modes for optimal viewing.
Invisible Speaker System: Features speakers embedded behind the front cabinet, using minute vibrations to turn the entire front bezel into a speaker system, providing a wider and richer sound field.
HDMI: Supports HD video and digital audio connections.
Clear Voice II: Improves voice sound quality by differentiating human sound ranges from others.
SIMPLINK (HDMI-CEC): Allows control of other compatible AV devices connected via HDMI cable without additional settings.
Energy Saving: Reduces power consumption by lowering the backlight level.
Parental Control / Ratings (V-Chip): Blocks specific channels and programs based on ratings.
Caption Mode: Displays captioning information for the hearing impaired, supporting both analog and digital broadcasting systems.

Important Technical Specifications

The manual covers several series of LG LCD TVs, including:

19LH20, 22LH20, 26LH20, 32LH20, 37LH20, 42LH20
22LH200C
32LH30, 37LH30, 42LH30, 47LH30
32LF11, 37LF11, 42LF11, 47LF11
19LU55, 22LU55, 26LU55
32CL20
47LF21

Common Specifications (may vary slightly by model):

Power Requirement: AC100-240V ~ 50/60Hz
Television System: NTSC-M, ATSC, 64 & 256 QAM
Program Coverage: VHF 2-13, UHF 14-69, CATV 1-135, DTV 2-69, CADTV 1-135
External Antenna Impedance: 75 ohm
Operating Temperature: 32 ~ 104°F (0 ~ 40°C)
Operating Humidity: Less than 80%
Storage Temperature: -4 ~ 140°F (-20 ~ 60°C)
Storage Humidity: Less than 85%

Supported PC Resolutions (RGB-PC, HDMI-PC):

640x350 (70.08Hz)
720x400 (70.08Hz)
640x480 (59.94Hz)
800x600 (60.31Hz)
1024x768 (60.00Hz)
1280x768 (59.87Hz)
1360x768 (59.799Hz)
1280x1024 (60.02Hz)
1600x1200 (60.00Hz)
1920x1080 (59.934Hz, 60.00Hz)

Connectivity:

USB IN (SERVICE ONLY): For software updates.
AV (Audio/Video) IN: Analog composite connection (480i).
HDMI/DVI IN, HDMI IN: Digital connection for HD video and digital audio. Accepts DVI video with an adapter or HDMI to DVI cable.
RGB IN (PC): Analog PC connection (D-sub 15 pin VGA cable) with 1/8" (0.32 cm) headphone jack for audio.
OPTICAL DIGITAL AUDIO OUT: Digital optical audio output for home theater systems (except 19/22LH20, 22LH200C).
ANTENNA/CABLE IN: For over-the-air and cable signals.
RS-232C IN (CONTROL & SERVICE) PORT: For third-party devices, service, or Hotel mode.
COMPONENT IN: Analog connection for HD video (red, green, blue cables for video; red and white for audio).

Usage Features

Initial Setup:

Language Selection: Choose English, Español, or Français.
Mode Setting: Select "Home Use" for optimal picture quality in a home environment or "Store Demo" for retail display.
Time Setting: Auto Clock Setup uses digital channel signals; Manual Clock Setup allows manual adjustment of year, month, date, hour, minute, time zone, and daylight saving.
Auto Tuning: Automatically finds and stores available channels.

Channel Control:

Channel Selection: Use CH buttons or NUMBER buttons.
Auto Scan (Auto Tuning): Scans and stores all available channels.
Add / Delete Channel (Manual Tuning): Manually adds or deletes channels.
Channel Editing: Manages the list of available channels.
Channel List: Displays stored channels.
Favorite Channel Setup: Programs and accesses favorite channels.
Brief Information: Displays current screen information (program title, time, V-Chip info, aspect ratio, resolution).
Input List: Selects desired input sources (TV, AV, Component, RGB-PC, HDMI).
Input Label: Customizes input source names.
Key Lock: Disables front panel controls, allowing operation only with the remote control.

Picture Control:

Picture Size (Aspect Ratio) Control: Adjusts picture format (16:9, 4:3, Just Scan, Zoom, Cinema Zoom).
Picture Wizard: Guides users through calibrating screen quality (Black and White Level, Color, Tint).
Preset Picture Settings (Picture Mode): Offers predefined modes (Vivid, Standard, Natural, Cinema, Sport, Game, Expert) for different viewing environments.
Manual Picture Adjustment - User Mode: Allows manual adjustment of Backlight, Contrast, Brightness, Sharpness, Color, and Tint.
Picture Improvement Technology: Advanced controls for Color Temperature, Dynamic Contrast, Dynamic Color, Noise Reduction, Gamma, Black Level, Eye Care, and Real Cinema.
Expert Picture Control: Provides more detailed adjustment categories (Expert1, Expert2) for optimal picture quality.
Energy Saving: Adjusts backlight to reduce power consumption (Off, Minimum, Medium, Maximum, Screen off).
Picture Reset: Resets picture settings to factory defaults.
Power Indicator: Adjusts the power/standby indicator light on the TV front.
Demo Mode: Displays a slide show explaining TV features (disabled in "Initial Setting-Home Use").

Sound & Language Control:

Auto Volume Leveler (Auto Volume): Maintains consistent volume levels across channels.
Clear Voice II: Enhances voice clarity.
Preset Sound Settings (Sound Mode): Offers predefined sound modes (Standard, Music, Cinema, Sport, Game).
Sound Setting Adjustment - User Mode: Allows manual adjustment of Treble and Bass.
SRS TruSurround XT: Provides realistic sound.
Balance: Adjusts left/right speaker sound.
TV Speakers On/Off Setup: Turns TV speakers off when using external audio equipment.
Audio Reset: Resets audio settings to factory defaults.
Stereo/SAP Broadcast Setup: Selects multi-audio or SAP for analog TV, or other languages for digital TV.
Audio Language: Selects audio language for digital signals.
On-Screen Menus Language Selection: Changes the language of the on-screen menus.
Caption Mode: Selects caption mode (Analog or Digital) and options (CC1-4, Text1-4, Service1-6).
Caption Option: Customizes caption size, font, text color, text opacity, background color, background opacity, edge type, and edge color.

Time Setting:

Clock Setting: Sets the TV clock automatically or manually.
Auto On/Off Time Setting: Programs the TV to turn on/off at specific times.
Sleep Timer Setting: Turns the TV off after a preset time.

Parental Control / Ratings:

Set Password & Lock System: Sets a password to access parental control features.
Lock System: Enables or disables the blocking scheme.
Channel Blocking: Blocks specific channels.
Movie & TV Rating (MPAA - For USA): Blocks movies based on ratings (G, PG, PG-13, R, NC-17, X).
TV Rating Children (For USA): Blocks children's TV programs based on age or fantasy violence.
TV Rating General (For USA): Blocks TV programs based on age, dialogue, language, sex, or violence.
TV Rating English (For CANADA): Blocks programs based on Canadian English ratings (E, C, C8+, G, PG, 14+, 18+).
TV Rating French (For CANADA): Blocks programs based on Canadian French ratings (E, G, 8ans+, 13ans+, 16ans+, 18ans+).
Downloadable Rating: Blocks digital channels based on Region5 Rating data.
External Input Blocking: Blocks specific input sources.

Maintenance Features

Cleaning:

Cleaning the Screen: Use a soft cloth dampened with lukewarm water and a little fabric softener or dishwashing detergent. Wipe gently and allow to air-dry.
Cleaning the Cabinet: Use a soft, dry, lint-free cloth. Avoid wet cloths.

Extended Absence:

Unplug the power cord if the TV will be dormant for a long time (e.g., vacation) to protect against lightning or power surges.

Troubleshooting:

Provides solutions for common issues such as remote control not working, TV suddenly turning off, no picture/sound, poor color, poor reception, lines/streaks in pictures, and PC mode problems.

Safety Instructions:

Warning / Caution: Advises against removing covers, exposing the product to rain/moisture, or blocking ventilation.
FCC Notice: Details compliance with Class B digital device limits and advises on resolving interference.
Important Safety Instructions: Covers precautions like avoiding water, using dry cloths for cleaning, ensuring proper ventilation, avoiding heat sources, using polarized/grounding plugs, protecting power cords, using manufacturer-specified attachments, exercising caution with carts, and unplugging during lightning storms or long periods of disuse.
Grounding: Emphasizes connecting the earth ground wire to prevent electric shock.
Antennas: Provides guidelines for outdoor antenna grounding according to the National Electrical Code.
On Disposal: Notes that the fluorescent lamp contains mercury and requires proper disposal according to local regulations.

Installation:

Stand Instructions: Detailed steps for assembling and detaching the TV stand, including protection cover installation.
VESA Wall Mounting: Provides VESA dimensions and screw specifications for wall mounting, recommending professional installation.
Cable Management: Instructions for organizing cables using cable holders and clips.
Desktop Pedestal Installation: Guidelines for proper ventilation clearance.
Swivel Stand: Explains how to adjust the TV's viewing angle (except for fixed stand models).
Positioning your Display: Advises on adjusting panel position for comfort and tilt range.
Attaching the TV to a Desk: Instructions for securing the TV to a desk to prevent tipping.
Kensington Security System: Explains how to connect a Kensington security cable (optional accessory).
Securing the TV to the wall: Provides steps to prevent the TV from falling when used on a stand.
Antenna or Cable Connection: Details how to connect antenna or cable for analog or digital signals.