R
Robin CookSep 23, 2025
How to fix streaks on LG 37LK450 screen?
- LLisa Carr DDSSep 23, 2025
To fix lines or streaks on the images of your LG LCD TV, check the antenna connection or try aiming the antenna in a better direction.
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To fix lines or streaks on the images of your LG LCD TV, check the antenna connection or try aiming the antenna in a better direction.
What to do if my LG LCD TV displays “This file is invalid”?
If your LG LCD TV shows a message saying “This file is invalid” or the audio works but the video doesn't, check if the file plays correctly on a PC to ensure it's not damaged. Also, verify that the resolution, video codec, and frame rate are supported by the TV.
Why does my LG LED TV keep turning off by itself?
If your LG LED TV is turning off suddenly, check the power control settings to ensure the power supply isn't interrupted. Also, verify if the Auto sleep feature is activated in the Time settings. If there is no signal while the TV is on, the TV will turn off automatically after 15 minutes of inactivity.
What to do if LG LCD TV displays “This file is invalid”?
If your LG LCD TV displays the message “This file is invalid” or the audio works but the video doesn't, check the following: * Ensure the file plays correctly on a PC to verify it's not damaged. * Confirm that the resolution is supported. * Check if the video/audio codec is supported. * Verify that the frame rate is supported.
Why doesn't the file appear on the Movie List of my LG 37LK450 LCD TV?
Check whether the extension is supported.
What causes horizontal bars on my LG LED TV screen?
If horizontal or vertical bars appear on your LG LED TV, or if images blur, check for local interferences from electrical appliances or power tools.
Why are there black spots on my LG LED TV screen?
If black spots appear on the screen of your LG LED TV, this can be attributed to the characteristics of the LCD panel, where several pixels in red, green, white, or black may appear. This is normal.
What if the file does not appear on the Movie List of LG 37LK450 LCD TV?
If a file does not appear on the Movie List of your LG LCD TV, check whether the file extension is supported.
Why are there black spots on my LG LCD TV screen?
The black spots that appear on your LG LCD TV screen are due to the characteristics of the panel, and this is normal.
Why is there no sound on my LG LED TV?
If your LG LED TV is displaying images but there is no sound, try the following: First, press the VOL + or - button to adjust the volume. Check if the sound is muted by pressing the MUTE button. Try switching to other channels to rule out a broadcast issue. Finally, ensure that the TV Speaker feature is activated in the menu options.
General| 3D | No |
|---|---|
| Power LED | Yes |
| Annual energy consumption | 158 kWh |
| Display diagonal | 37 \ |
| Display brightness | 400 cd/m² |
| Native aspect ratio | 16:9 |
| Supported video modes | 1080i, 1080p, 720p |
| Contrast ratio (dynamic) | 100000:1 |
| Display diagonal (metric) | 94 cm |
| Screen format adjustments | 4:3, 14:9, 16:9, Zoom |
| Supported graphics resolutions | 1920 x 1080 (HD 1080) |
| Certification | RoHs |
| Audio formats supported | MP3 |
| Image formats supported | JPG |
| Video formats supported | DIVX |
| HDMI ports quantity | 3 |
| USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
| S-Video inputs quantity | 0 |
| Digital audio optical out | 1 |
| Product color | Black |
| LED indicators | Y, Stand-by |
| Power consumption (standby) | 0.3 W |
| Power consumption (typical) | 108 W |
| RMS rated power | 20 W |
| Number of speakers | 2 |
Weight and Dimensions| Depth (with stand) | 265 mm |
|---|---|
| Width (with stand) | 913 mm |
| Height (with stand) | 639 mm |
| Weight (with stand) | 12800 g |
| Depth (without stand) | 77.4 mm |
| Height (without stand) | 571 mm |
| Weight (without stand) | 11100 g |
Explains electrical grounding procedures for safety.
Details how to safely disconnect power from the unit.
Provides guidelines and warnings for watching 3D content safely.
Instructions for disposing of products containing mercury.
Compliance information for FCC rules in the USA and Canada.
Lists items included in the product box.
Explains how to attach ferrite cores for noise reduction.
Lists optional accessories available for purchase.
Identifies and describes the TV's buttons and controls.
Provides instructions for safely moving the television.
Guides the user through initial TV setup and stand attachment.
Explains the function of each button on the remote control.
Instructions for connecting TV to antenna or cable sources.
Guides initial power-on and setup for new users.
Basic steps for operating the TV while watching content.
Explains how to access and use frequently accessed TV settings.
Overview of how 3D imaging works on the TV.
Instructions and cautions for using 3D glasses.
Details optimal viewing distance and angle for 3D content.
Overview of the main menu structure and navigation.
Options for managing TV channels, including tuning and editing.
Adjustments for image quality, aspect ratio, and picture modes.
Options for customizing sound quality, modes, and volume.
Settings for clock, on/off timers, and sleep timer.
Features for blocking channels or content based on ratings.
Visual guide to connecting various external devices to the TV.
Details for connecting audio/video sources like receivers and players.
Instructions for connecting a computer to the TV for display.
How to connect a PC using an RGB (VGA) cable.
Guidance on connecting USB devices for multimedia playback.
How to navigate and view files from connected USB storage.
Instructions for playing video files from a USB device.
Information on registering for DivX VOD services.
How to view image files from a USB device.
How to play music files from a USB device.
Common issues and solutions related to TV operation and remote control.
Troubleshooting steps for video display problems like poor quality or lines.
Solutions for issues related to playing movie files from USB.
Technical specifications including dimensions and weight for various models.
List of supported video file types, codecs, and resolutions.
Supported 3D formats and signal types for 3D viewing.
Technical details of remote control signal transmission.
A table of commands for external control devices.
Instructions for connecting and controlling the TV via RS-232C.
Technical specifications for device communication, including baud rate and parity.
