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Angie RodriguezSep 14, 2025
How to fix no output from one of the speakers on LG 3D TVs?
- LLaura ContrerasSep 14, 2025
If there's no output from one of the speakers on your LG 3D TV, adjust the Balance settings in the menu.
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If there's no output from one of the speakers on your LG 3D TV, adjust the Balance settings in the menu.
How to fix LG DM2780D remote control that doesn’t work?
If the remote control for your LG 3D TV isn't working, start by checking for any obstructions between the remote and the TV. Make sure you are pointing the remote directly at the TV. Verify that the batteries are installed correctly, paying attention to the polarity (+ to -, + to -). Ensure the correct remote operating mode is selected (TV, VCR, etc.). If problems persist, install new batteries.
What to do if my LG 3D TV has no picture and no sound?
If your LG 3D TV shows no picture and produces no sound, start by verifying that the TV is powered on. If it is on, try switching to another channel, as the issue might be with the broadcast signal. Also, check that the power cord is securely plugged into the wall outlet. Check your antenna direction and/or location. To ensure the outlet is functioning correctly, test it by plugging another device's power cord into it.
Why does my LG 3D TV suddenly turn off?
Your LG 3D TV might be turning off suddenly due to several reasons. Check if the sleep timer is activated. Also, examine the power control settings. If there is no input signal, the TV will automatically switch off after 15 minutes to save power. If a corrupted file was played from a USB device, the TV may turn off. Also, make sure the screen off mode of the energy saving menu is disabled. It is also possible that the power was interrupted.
Why is there unusual sound from inside my LG 3D TVs?
If you notice an unusual sound from inside your LG 3D TV, it may be due to changes in ambient humidity or temperature when the product is turned on or off. This does not indicate a problem with the TV.
Why do picture settings revert on my LG 3D TVs?
If, after you change the picture settings on your LG 3D TV, it automatically reverts back to the initial settings after a while, it means the TV is set to Store Demo mode. To switch to Home use mode: go to the TV Menu, choose OPTION, select Initial Setting, and then choose Home use. This completes the switch to Home use mode.
How to improve color on LG 3D TVs?
If your LG 3D TV picture has no color, poor color, or poor picture quality, first try adjusting the Color settings in the menu. Ensure there is sufficient distance between the TV and any VCR. Try switching to another channel, as the broadcast itself may be the cause. Check that the video cables are correctly installed. Also, try activating any function to restore the brightness of the picture.
Why is there picture but no sound on my LG DM2780D 3D TVs?
If your LG 3D TV has picture but no sound, first, press the VOL(+, -) or VOL ( , ) button to increase the volume. Check if the sound is muted by pressing the MUTE button. Try switching to another channel as the problem may be with the broadcast. Ensure that the audio cables are properly installed.
Why are there lines or streaks in pictures on my LG 3D TV?
If you're seeing lines or streaks in the pictures on your LG 3D TV, try adjusting your antenna. You may need to change the direction of the antenna to improve the signal.
Why does my LG 3D TV have horizontal or vertical bars or picture shaking?
If your LG 3D TV is showing horizontal or vertical bars, or if the picture is shaking, check for local interference from electrical appliances or power tools.
General| 3D | Yes |
|---|---|
| Pixel pitch | 0.3114 x 0.3114 mm |
| Aspect ratio | 16:9 |
| Display diagonal | 27 \ |
| Viewable size diagonal | 691.2 mm |
| Viewing angle, vertical | 160 ° |
| Contrast ratio (dynamic) | - |
| Display number of colors | 16.78 million colors |
| Viewing angle, horizontal | 170 ° |
| Display brightness (typical) | 250 cd/m² |
| USB hub version | 2.0 |
| DVI-D ports quantity | 0 |
| Product color | Black |
| Compliance industry standards | TUV-GS, FCC-B, CE |
| RMS rated power | 10 W |
| Tilt angle range | -5 - 18 ° |
| Panel mounting interface | 200 x 100 mm |
| AC input voltage | 100 - 240 V |
| Power consumption (off) | 0.5 W |
| Power consumption (standby) | 1 W |
| Power consumption (typical) | 47 W |
Weight and Dimensions| Depth (with stand) | 222.8 mm |
|---|---|
| Height (with stand) | 480.6 mm |
| Weight (with stand) | 6000 g |
| Depth (without stand) | 57.6 mm |
| Width (without stand) | 644 mm |
| Height (without stand) | 407.8 mm |
| Weight (without stand) | 5000 g |
