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LG 49LX570H - User Manual

LG 49LX570H
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www.lg.com
Please read this manual carefully before operating
your TV and retain it for future reference.
32LX560H
40LX560H
43LX560H
49LX560H
32LX570H
40LX570H
43LX570H
49LX570H
55LX570H
65LX570H
Safety and Reference
OWNER’S MANUAL
LED TV*
* LG LED TVs are LCD TVs with LED backlighting.
*MFL68925822*
P/No : MFL68925822 (1611-REV04)

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Questions and Answers

  • M
    Maureen WaltonAug 9, 2025
    What to do if there is no picture on my LG 49LX570H LED TV?
    • C
      Christina BennettAug 9, 2025
      If your LG LED TV shows no picture, first, ensure the TV is turned ON. Check if the antenna or cable is properly connected to the TV. Verify all connections to the TV are correct. If applicable, ensure the MPI cable is connected to the MPI device. If you're on an encrypted program, try switching to another channel. Finally, check and adjust the Installer Menu settings if the tuning band is incorrect.
  • T
    thompsongabrielAug 14, 2025
    Why doesn't my LG 49LX570H LED TV remote work?
    • Q
      qmunozAug 14, 2025
      If your LG LED TV remote isn't working, first ensure it's in 'TV' mode using the MODE key. Point the remote directly at the IR receiver on the TV, and make sure you're close enough with no obstructions in the path. If applicable, check that the MPI cable is connected to the MPI device. Replace the batteries, ensuring they are correctly oriented. Dim the room light, as too much light can interfere. If none of these steps work, you may need a compatible LG Installer Remote; contact your LG representative.
  • J
    Jason BellAug 20, 2025
    How to fix poor or no sound on LG LED TV with normal picture?
    • S
      Samuel PearsonAug 20, 2025
      If your LG LED TV has a normal picture but poor or no sound, first, check if the audio is muted. Press the MUTE button or use the Volume Up key to increase the sound level. If that doesn't work, the issue might be with the broadcast itself, so try changing to a different channel.
  • I
    Isaiah FranklinAug 26, 2025
    What to do if I get a 'Communications Timeout' error on my LG 49LX570H LED TV?
    • K
      Kimberly RayAug 27, 2025
      If you're getting a 'Communications Timeout' error on your LG LED TV, start by checking and connecting all communication cables. Make sure the TV power cord is connected and that the TV is turned ON. Finally, in the FTG Device Configuration Application, verify that you've selected the correct COM port for the cable you're using.
  • I
    Isaiah CastroSep 2, 2025
    How to fix LG 49LX570H LED TV when I cannot directly enter a channel number?
    • J
      Jeffrey WilliamsSep 2, 2025
      If you cannot directly enter a channel number on your LG LED TV, it could be because the TV is in Pass-through Mode and Installer Menu item 028 CH. OVERIDE is set to 0 (disabled). To fix this, set CH. OVERIDE to 1 to allow direct keypad entry. Alternatively, if the TV is in FTG Mode, the channel might not be included in the FTG Channel Map. In that case, modify the FTG Channel Map using the FTG File Manager or the FTG Device Configuration Application.

Summary

Important Safety Instructions

General Safety Precautions

Key safety measures for safe TV operation.

Power Cord Safety

Power Cord Precautions

Guidelines for safe handling and inspection of the power cord.

Operational and Installation Safety

Grounding and Electrical Safety

Proper grounding and electrical connection guidelines.

Regulatory Compliance and RF Exposure

FCC and Industry Canada Notices

Regulatory compliance statements for FCC and Industry Canada.

RF Radiation Exposure Statements

Guidelines for safe RF exposure limits and installation.

TV Connections and Remote Control

Connecting Antenna, Cable, and External Devices

Understanding the Remote Control

Guide to remote control buttons, functions, and battery installation.

TV Specifications and Picture Settings

Selecting Picture Modes

General TV Specifications

TV system, program coverage, impedance, and environment conditions.

Firmware and Software Information

Updating TV Firmware

Step-by-step guide for updating the TV's firmware.

Troubleshooting and Product Licenses

Common TV Troubleshooting Steps

Solutions for common issues like remote control, image, and sound problems.

Child Safety and TV Placement

Safe TV Placement and Tipping Prevention

Guidelines for securing TVs to prevent tipping and potential injury.

External Control Device Setup

Introduction to External Control

Overview of controlling the TV using external devices.

External Control Connectivity Options

USB to Serial Converter Setup

RS-232 C Cable Connection

Guidelines for connecting the TV via RS-232C serial port.

RS-232 C Communication Protocol

Communication Parameters

Settings for baud rate, data length, parity, and stop bit.

RS-232 C Command Reference

Reference list for RS-232C commands, codes, and data ranges.

RS-232 C Data Transmission

Transmission and Receiving Protocol Format

RS-232 C Control Commands (Part 1)

Power and Aspect Ratio Control

Commands to control TV power and aspect ratio.

Screen Mute and Volume Commands

Commands for screen mute, volume mute, and volume adjustment.

Picture Adjustment Commands

Commands to adjust contrast, brightness, and color settings.

RS-232 C Control Commands (Part 2)

Tint, Sharpness, and OSD Settings

Commands for adjusting tint, sharpness, and OSD display.

Audio and Color Temperature Control

Commands for treble, bass, balance, and color temperature.

RS-232 C Control Commands (Part 3)

Energy Saving and Tuning Commands

RS-232 C Control Commands (Part 4)

Channel Tuning by Region

RS-232 C Control Commands (Part 5)

Key Action and Backlight Control

Input Selection and 3 D Mode Control

RS-232 C Control Commands (Part 6)

Extended 3 D Options

Auto Configure Command

Network IP Control Setup

Connecting to Network IP Control

Steps to connect the TV to a network for IP control.

Sending Commands via IP Network

External Control Command Reference

Command List and Notes (Part 1)

Command List and Notes (Part 2)

External Control Command Reference (Cont.)

Command List and Notes (Part 3)

3 D Mode Commands

LG 49LX570H Specifications

General IconGeneral
Screen shapeFlat
Response time9 ms
Display diagonal49 \
Display brightness214 cd/m²
Native aspect ratio16:9
Native refresh rate60 Hz
LED backlighting typeEdge-LED
Supported video modes1080p
Contrast ratio (dynamic)1000000:1
Contrast ratio (typical)1200:1
Screen format adjustments4:3, 16:9, Zoom
Supported graphics resolutions1920 x 1080 (HD 1080)
Motion interpolation technology-
3DNo
Cable lock slot typeKensington
Tuner typeAnalog & digital
Analog signal format systemNTSC
Digital signal format systemATSC
Sound modesGame, Music, Movie, News, Sports
Audio systemClear Voice II
RMS rated power1000 W
Number of speakers2
DVI-D ports quantity0
USB 2.0 ports quantity1
Cables includedAC
Package depth163 mm
Package width1200 mm
Package height759 mm
Package weight21000 g
Product colorBlack
Panel mounting interface300 x 300 mm
AC input voltage110 - 240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.5 W
Power consumption (typical)38 W
Sustainability certificatesRoHS, ENERGY STAR
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)325 mm
Height (with stand)701 mm
Weight (with stand)17800 g
Depth (without stand)55.9 mm
Width (without stand)1100 mm
Height (without stand)648 mm
Weight (without stand)14400 g

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