LG 55SE3D - User Manual

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P/No: MFL70040101 (1711-REV03)

*MFL70040101*

LG Digital Signage

(MONITOR SIGNAGE)

32SE3D 43SE3D 49SE3D 55SE3D 65SE3D

32SE3KD 43SE3KD 49SE3KD 55SE3KD 65SE3KD

43SH7DD 49SH7DD 55SH7DD

Depending upon country / Závisí na zemi / Afhængigt af landet / En función del país /

Maan mukaan / Selon pays / Abhängig vom Land / Ανάλογα με τη χώρα / Országfüggő /

Tergantung pada negaranya / A seconda del Paese / Елге байланысты / 지역에 따라 다름 /

Afhankelijk van het land / Avhengig av land / Zależnie od kraju / Dependendo do país /

В зависимости от страны / Závisí od krajiny / Beroende på land / 視國家, 地區而定 /

Ülkeye bağlı / Залежно від країни / Mamlakatga bog’liq ravishda / 国によって異なります /

Depende do país / הנידמב יולת /

Table of Contents

Other manuals for LG 55SE3D

Easy Setup Guide40 pages

Quick Start Guide12 pages

Questions and Answers

R
Robert SmithSep 12, 2025
What to do if no image is displayed on LG 55SE3D?
- C
  cheryl43Sep 12, 2025
  If no image is displayed on your LG Digital Signage, first, ensure the power cord is correctly plugged into the power outlet. Also, check the signal cable and press the INPUT menu on the remote control to verify the input signal. If the signal from the PC (Graphics card) is out of the vertical or horizontal frequency range, adjust the frequency range by referring to the Specifications in this manual.
J
jake02Sep 12, 2025
What to do if the screen image looks abnormal on LG Digital Signage?
- J
  James PrestonSep 12, 2025
  If the screen image looks abnormal on your LG Digital Signage, check if the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the [Control Panel] ? [Display] ? [Setting] menu. Note that the settings may differ depending on your operating system. Also, ensure the proper input signal is connected to the signal port by connecting the signal cable that matches the source input signal.
T
Travis GarzaSep 10, 2025
What to do if the 'Unknown Product' message appears when connecting my LG Digital Signage?
- M
  Marcia WilliamsSep 10, 2025
  If the 'Unknown Product' message appears when connecting your LG Digital Signage, check if the Plug and Play function is supported by referring to the graphics card user manual.
C
Carla HancockSep 9, 2025
What to do if operation does not work normally on LG 55SE3D Digital Signage?
- E
  Erika PadillaSep 9, 2025
  If the operation of your LG Digital Signage does not work normally, check if the Timer is set, verify the power control settings, and ensure there were no power interruptions.
S
Steven MillsSep 8, 2025
How to fix after-image appearing on LG 55SE3D?
- I
  iparkerSep 8, 2025
  If an after-image appears on your LG Digital Signage, especially after using a fixed image for a long time, use the screen-saver function. Also, image sticking may occur when a dark image is displayed after an image with high contrast; this is normal for LCD screen products.
J
Jonathan StevensAug 23, 2025
What to do if no image is displayed on my LG Monitor?
- D
  Donald WeaverAug 23, 2025
  If your LG Monitor isn't displaying an image, there are a few things you can check: * Ensure the power cord is correctly plugged into the power outlet. * Verify the signal cable is properly connected. Access the input menu to check the input signal. * If the signal from your PC's graphics card is outside the monitor's vertical or horizontal frequency range, adjust the frequency range according to the specifications in the manual.
K
Kendra VargasSep 6, 2025
What to do if the audio function does not work on my LG 55SE3D Digital Signage?
- C
  cruzjohnSep 6, 2025
  If the audio function is not working on your LG Digital Signage, try the following: * Check if the audio cable is connected properly. * Adjust the volume. * Ensure the sound is set properly. * Select the appropriate equalizer sound.
R
robert80Sep 5, 2025
Why is no image displayed on my LG 55SE3D Digital Signage?
- J
  Jose HoSep 5, 2025
  If no image is displayed on your LG Digital Signage, please check the following: * Ensure the power cord is correctly plugged into the power outlet. * Verify the signal cable is properly connected. * Press the INPUT menu on the remote control to check the input signal. * If the signal from the PC (Graphics card) is out of the vertical or horizontal frequency range of the product, adjust the frequency range by referring to the Specifications in this manual.
J
johnlaneSep 4, 2025
Why does the 'Unknown Product' message appear on my LG 55SE3D?
- A
  Ashley MorganSep 4, 2025
  If you see an 'Unknown Product' message when connecting your LG Digital Signage, check if the Plug and Play function is supported by referring to the graphics card user manual.
A
Anthony SandovalSep 3, 2025
How to prevent after-image on LG 55SE3D?
- M
  morganperezSep 3, 2025
  If you notice an after-image appearing on your LG Digital Signage, especially after displaying a fixed image for an extended period, it may be due to pixel damage. To prevent this, use the screen-saver function. Also, when a dark image is displayed after a high contrast image, image sticking may occur, which is normal for LCD screens.

Summary

Safety Precautions

Precautions for Product Installation

Safety guidelines for the proper installation of the product.

AC Adapter and Electrical Power Safety

Product Moving Safety

Product Usage Safety

Wall Mounting Safety Guidelines

Remote Control Functions

Troubleshooting Common Issues

No Image Display Issues

Troubleshooting steps for when the product displays no image.

After-image and Image Sticking

Solutions for after-image or image sticking problems.

Audio Function Problems

Troubleshooting steps for audio not working or poor sound quality.

Screen Color Abnormalities

Solutions for issues with screen color or stability.

Operation Malfunction

Troubleshooting steps for general operation issues.

Product Specifications

LG 55SE3D Specifications

General

Screen Size	55 inches
Panel Type	IPS
Viewing Angle (H x V)	178° x 178°
Operating Hours	24/7
Operating Temperature	0°C to 40°C
Storage Temperature	-20°C to 60°C
Standby Power Consumption	0.5 W
VESA Mount	300 x 300 mm
Resolution	1920 x 1080
Contrast Ratio	1200:1
Input	HDMI, USB
Output	Audio Out
External Control	RS-232C, Ethernet
Orientation	Landscape & Portrait
Response Time	12ms (G to G)
Bezel Width	11.9mm (Even Bezel)

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