Why are there lines on my LG LED TV screen?
- JJanice ElliottSep 4, 2025
If lines or streaks appear on the images of your LG LED TV, check the antenna or try aiming it in the proper direction.

Why are there lines on my LG LED TV screen?
If lines or streaks appear on the images of your LG LED TV, check the antenna or try aiming it in the proper direction.
What to do if there is no sound on my LG LCD TV but there is an image?
If you see images but hear no sound on your LG LCD TV, try these solutions: * Press the VOL + or - button to adjust the volume. * Ensure the sound isn't muted by pressing the MUTE button. * Try switching to other channels to rule out a broadcast issue. * Verify that the TV Speaker feature is enabled in the menu.
Why is my LG 37LV3500 LCD TV remote not working?
If you cannot control your LG LCD TV with the remote, try the following: * Ensure there are no obstructions between the remote and the TV. * Verify the batteries are working and correctly installed. * Make sure the correct input mode (TV or VCR) is selected on the remote.
Why is my LG LED TV making unusual sounds?
If you hear an unusual sound from inside your LG LED TV, it may be due to a change in ambient humidity or temperature when the product turns on or off. This is normal and there is no problem with your product.
How to fix no sound from one speaker on LG LED TV?
If there is no output from one of the speakers on your LG LED TV, adjust the Balance in the menu option.
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.
Why do afterimages appear on my LG LED TV?
If afterimages (ghosts) appear when your LG LED TV turns off, it may be due to pixels damaged from a fixed image displayed for a long time (image burn). Use a screen saver to prevent further pixel damage.
Why are there thin lines in the background of my LG LED TV screen?
If thin lines appear in the background of the screen on your LG LED TV, check the video cable connections.
Why are subtitles not showing on my LG LED TV?
If the subtitle is not working on your LG LED TV, first check if the file plays normally on a PC to ensure it's not damaged. Then, verify that the video file and subtitle file have the same name and are located in the same folder. Finally, confirm that the subtitle file and the language are supported by the TV.
How to adjust display offset on LG LED TV?
If the display offset is wrong on your LG LED TV, adjust the position setting in the Picture menu. Also, check if the video card resolution and frequency are supported by the TV. If the frequency is out of range, set to the recommended resolution using the display settings on the external device.
| 3D | No |
|---|---|
| Power consumption (average) | 87 W |
| Display diagonal | 37 \ |
| Native aspect ratio | 16:9 |
| Native refresh rate | 60 Hz |
| LED backlighting type | Edge-LED |
| Supported video modes | 1080i, 1080p, 720p |
| Contrast ratio (dynamic) | 2000000:1 |
| Screen format adjustments | 4:3, 16:9, Zoom |
| Supported graphics resolutions | 1920 x 1080 (HD 1080) |
| Tuner type | Analog & digital |
| Analog signal format system | NTSC |
| Digital signal format system | ATSC |
| Audio system | Dolby Digital |
| RMS rated power | 20 W |
| Number of speakers | 2 |
| HDMI ports quantity | 3 |
| DVI-D ports quantity | 0 |
| Common interface (CI) | - |
| USB 2.0 ports quantity | 1 |
| Consumer Electronics Control (CEC) | Anynet+ |
| Smart modes | Cinema, Game, Sports, Standard, Vivid |
| Number of OSD languages | 4 |
| On Screen Display (OSD) languages | ENG, ESP, FRE, KOR |
| Product color | Black |
| Panel mounting interface | 200 x 200 mm |
| AC input voltage | 100 - 220 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (max) | 120 W |
| Power consumption (standby) | 0.1 W |
| Sustainability certificates | ENERGY STAR |
| Package weight | 15600 g |
| Cables included | AC |
| Depth (with stand) | 238.8 mm |
|---|---|
| Height (with stand) | 612 mm |
| Weight (with stand) | 13100 g |
| Depth (without stand) | 40.6 mm |
| Width (without stand) | 886.5 mm |
| Height (without stand) | 531 mm |
| Weight (without stand) | 11300 g |
Connects earth ground wire to prevent electric shock.
Ensures power outlet remains accessible for unplugging.
Guidelines and warnings for safe 3D content viewing.
Avoids permanent screen disfigurement from fixed images.
Instructions for checking product box contents.
Information on optional accessories for purchase.
Identifies and describes the TV's physical buttons and controls.
Precautions for safe handling and transport of the TV.
Instructions for placing the TV on a stand or mounting it.
Step-by-step guide for attaching the TV stand.
Instructions for safely placing the TV on a table.
Guidelines for attaching an optional wall mount bracket.
Steps for connecting TV to antenna, cable, or cable box.
Instructions for connecting the power adapter.
Initial setup process including language and basic settings.
How to operate the TV while viewing content.
Procedures for setting up, storing, and editing TV channels.
Accessing and using frequently used TV menus.
Overview of 3D display capabilities and requirements.
Important precautions for using 3D glasses.
Recommended viewing distance and angle for 3D.
Step-by-step guide on how to view 3D content.
Overview of the main menu structure for TV settings.
General guide to connecting external devices to the TV.
Instructions for connecting A/V sources like receivers and players.
How to connect devices using HDMI for digital video/audio.
Guide for connecting via DVI to HDMI.
Steps for connecting devices using component A/V cables.
How to connect devices using composite A/V cables.
Instructions for connecting a computer to the TV.
Using HDMI for optimal PC to TV connection.
Connecting PC via DVI to HDMI for video.
Connecting a PC using an RGB (VGA) signal cable.
How to connect USB drives for multimedia playback.
Advice on compatible USB devices and file systems.
Navigating photos, music, and movie files on USB.
Common issues and solutions for TV operation.
Troubleshooting steps for sound problems.
Solutions for image quality and display issues.
Troubleshooting for playing video files from USB.
Technical details on remote control signal transmission.
Instructions for connecting external control devices via RS-232C.
Details on serial port wiring for RS-232C.
How to assign an ID for device identification in RS-232C.
A list of commands for controlling the TV via RS-232C.
Information about open source software used in the product.
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