LG 42LS73D - User Manual

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Easy Setup Guide8 pages

Manual8 pages

Quick Start Guide10 pages

Questions and Answers

D
Desiree ScottAug 20, 2025
What to do if no image is displayed on my LG 42LS73D Digital Signage?
- W
  William PayneAug 20, 2025
  If your LG Digital Signage is not displaying an image, 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 is out of the vertical or horizontal frequency range, adjust the frequency range by referring to the Specifications in this manual.
H
Henry EvansAug 22, 2025
Why is the screen color abnormal on my LG Digital Signage?
- S
  Shannon RamseyAug 22, 2025
  If the screen color on your LG Digital Signage is abnormal, set the number of colors to more than 24 bits (true color) by selecting [Control Panel] ? [Display] ? [Settings] ? [Color Table] in Windows. Check the connection status of the signal cable, and try re-inserting the PC graphics card. Note that this can be attributable to the unique characteristics of the LCD panel and is not a malfunction.
L
Larry DeckerAug 25, 2025
What to do if the audio function does not work on my LG 42LS73D Digital Signage?
- M
  Mary LopezAug 25, 2025
  If the audio function on your LG Digital Signage isn't working, verify the audio cable is properly connected. Adjust the volume and ensure the sound is set correctly. Also, select the appropriate equalizer sound and adjust the volume again.
P
portershelleyAug 26, 2025
What to do if the screen image looks abnormal on my LG Digital Signage?
- P
  Patrick AbbottAug 27, 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. Also, connect the signal cable that matches with the source input signal.
A
Austin BlakeAug 28, 2025
What to do if after-image appears on the LG Digital Signage?
- T
  tammy49Aug 28, 2025
  If an after-image appears on your LG Digital Signage, and you use a fixed image for a long time, it may damage the pixels, so use the screen-saver function. When a dark image is displayed on the screen after an image with high contrast (black and white or gray), this may cause image sticking, which is normal for LCD screen products.
M
Michelle GarciaAug 30, 2025
Why does the operation not work normally on my LG 42LS73D Digital Signage?
- B
  Bryan GibsonAug 30, 2025
  If the operation of your LG Digital Signage is not working normally, check if the Timer is set, review the power control settings, and ensure there hasn't been a power interruption.
M
Madison ZimmermanSep 1, 2025
What to do if the Unknown Product message appears when my LG Digital Signage is connected?
- T
  Traci PhillipsSep 1, 2025
  If the 'Unknown Product' message appears when your LG Digital Signage is connected, check if the Plug and Play function is supported by referring to the graphics card user manual.
M
Maria SmithSep 3, 2025
How to fix no image on LG 42LS73D?
- A
  Ashley MichaelSep 3, 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 is out of the vertical or horizontal frequency range, adjust the frequency range by referring to the Specifications in this manual.
R
royduncanSep 5, 2025
Why does the screen image look abnormal on my LG 42LS73D Digital Signage?
- J
  Joseph HernandezSep 5, 2025
  If the screen image on your LG Digital Signage looks abnormal, verify that 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. Also, ensure you connect the signal cable that matches the source input signal.
B
betty85Sep 7, 2025
What to do if the audio function is not working on my LG 42LS73D?
- F
  Frank HernandezSep 7, 2025
  If the audio function does not work on your LG Digital Signage, make sure the audio cable is connected properly. Then, adjust the volume and ensure the sound is set correctly. You may also want to select the appropriate equalizer sound and adjust the volume again.

LG 42LS73D Specifications

General

Screen Size	42 inches
Display Type	LCD
Viewing Angle (H x V)	178° x 178°
Response Time	8 ms
External Control	RS-232C
Speaker	10W x 2
VESA Mounting	200 x 200 mm
Operating Temperature	0°C to 40°C
Storage Temperature	-20°C to 60°C
Standby Power Consumption	0.5W
Resolution	1920 x 1080
Input	HDMI, DVI-D, VGA, Component, Composite
Output	Audio Out