LG 55SE3D User Manual

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AAA

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:

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.
L
Lori KingAug 25, 2025
What to do if the audio function does not work on my LG Monitor?
- M
  Mr. Steven YoungAug 25, 2025
  If the audio function on your LG monitor isn't working, consider these steps: * Check if the audio cable is properly connected. * Adjust the volume settings. * Ensure the sound is set correctly. * Select an appropriate equalizer sound. * Adjust the volume once more to ensure it's not muted or too low.
T
Thomas FullerAug 25, 2025
What to do if the operation does not work normally on my LG Monitor?
- J
  Jesse BrownAug 26, 2025
  If your LG Monitor isn't operating normally, check these: * See if the Timer is set. * Examine the power control settings. * Consider whether the power has been interrupted.
M
Matthew TorresAug 26, 2025
What to do if the 'Unknown Product' message appears when my LG Monitor is connected?
- F
  Felicia RobertsonAug 27, 2025
  If the 'Unknown Product' message appears when your LG monitor is connected, check if the Plug and Play function is supported by referring to the graphics card user manual.
W
William RoseAug 27, 2025
Why does my LG Monitor screen color look abnormal?
- D
  devinboydAug 27, 2025
  If the screen color on your LG monitor appears abnormal, try the following: * Set the number of colors to more than 24 bits (true color). In Windows, go to Control Panel > Display > Settings > Color Table. * Check the connection status of the signal cable. Note that the appearance of a few red, green, blue, white, or black pixels is normal for LCD panels and not a malfunction.
A
Amanda MartinAug 28, 2025
Why does the screen image look abnormal on my LG Monitor?
- J
  Joshua FuentesAug 28, 2025
  If the screen image on your LG monitor appears abnormal, it could be due to: * The graphics card resolution and frequency not being supported by the monitor. Check your graphics card settings. * The incorrect input signal being connected to the signal port. Ensure the signal cable matches the source input signal.
G
gloverallisonAug 29, 2025
Why does after-image appear on my LG Monitor?
- R
  Ryan KnoxAug 29, 2025
  An after-image appearing on your LG monitor can be due to a couple of reasons: * If a fixed image is displayed for an extended period, it can damage the pixels. Use the screen-saver function to prevent this. * Displaying a dark image after a high contrast image (black and white or gray) is normal behavior for LCD screens.
J
jmccoyAug 30, 2025
How to fix no image on LG 55SE3D?
- B
  brandonlewisAug 30, 2025
  If your LG Digital Signage displays no image, start by ensuring the power cord is securely plugged into the power outlet. Next, verify the signal cable connection. Also, press the INPUT menu on the remote control to confirm the correct input signal is selected. If the signal from your PC's graphics card is outside the product's vertical or horizontal frequency range, adjust the frequency range according to the specifications in the manual.
M
Mrs. April Day DDSAug 31, 2025
Why is the screen color abnormal on my LG 55SE3D?
- M
  michaelvargasAug 31, 2025
  If the screen color on your LG Digital Signage appears abnormal, ensure that the number of colors is set to more than 24 bits (true color) in Windows display settings (Control Panel > Display > Settings > Color Table). Also, check the connection status of the signal cable and try re-inserting the PC graphics card. Note that several pixels (red, green, blue, white, or black color) may appear on the screen, which is not a malfunction of the LCD, but a unique characteristic of the LCD panel.
B
Benjamin LewisSep 1, 2025
What to do if the audio function does not work on LG Digital Signage?
- C
  Chase McgrathSep 1, 2025
  If the audio function on your LG Digital Signage isn't working, first check if the audio cable is properly connected. Then, ensure the volume is adequately adjusted and the sound is set correctly. You may also want to select an appropriate equalizer sound and re-adjust the volume.

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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