What to do if my LG LCD TV has no image and sound?
If your LG LCD TV isn't displaying an image and there's no sound, first ensure the TV is powered on. Next, verify that the power cord is securely connected to a working wall outlet. You can test the outlet by plugging in another device to see if it functions correctly.
Why is my LG 42LM3400 LCD TV remote not working?
If you cannot control your LG LCD TV with the remote, make sure there are no obstructions between the remote and the TV's sensor. Also, check that the batteries in the remote are correctly installed and still have power.
How to fix an LG 42LM3400 LCD TV remote that is not working?
If you're unable to control your LG LCD TV with the remote, start by checking the remote control sensor on the TV and try again. Make sure there are no obstructions between the remote and the TV. Also, ensure the batteries in the remote are working and correctly installed.
How to fix my LG LCD TV that turns off by itself?
If your LG LCD TV is turning off suddenly, examine the power control settings to ensure the power supply isn't being interrupted. Also, check the 'Auto sleep' feature in the Time settings to see if it's enabled. Note that the TV will automatically turn off after 15 minutes of inactivity if there is no signal.
What to do if LG 42LM3400 LCD TV says 'No signal' when connected to PC?
If your LG LCD TV displays 'No signal' or 'Invalid Format' when connected to a PC via RGB/HDMI DVI, try turning the TV off and then on again using the remote. If that doesn't work, try reconnecting the RGB/HDMI cable. As another option, restart your PC while the TV is powered on.
Why does my LG 42LM3400 turn off by itself?
If your LG LCD TV is turning off unexpectedly, you should first check the power control settings to ensure the power supply isn't being interrupted. Also, verify that the Auto sleep feature is not enabled within the Time settings. Lastly, be aware that if the TV doesn't receive a signal for 15 minutes while it's on, it will automatically shut off.
Follow instructions, keep manual, heed warnings.
Risk of shock, do not open, avoid water.
Avoid heat sources, block ventilation, use correct plug.
Prevent damage, unplug when unused.
Refer servicing to qualified personnel.
Keep plastic away from children.
Avoid overloading outlets.
Keep away from flammables, avoid spills.
Ensure proper grounding, mains plug is disconnect device.
Use soft cloth, unplug before moving.
Instructions for replacing remote batteries.
Overview of common buttons and functions.
Using SETTINGS, Q.MENU, navigation keys.
Controls for audio, channels, and features.
Specific buttons for LM3400 series, including 3D.
Using Q.MENU/3D OPTION, navigation keys.
Using volume, SIMPLINK, energy saving, etc.
Solutions for common control and display problems.
Solutions for sudden power off or no signal.
General| Display diagonal | 42 \ |
|---|---|
| Native refresh rate | 50 Hz |
| LED backlighting type | - |
| Supported video modes | 1080i, 1080p, 720p |
| Supported graphics resolutions | 1920 x 1080 (HD 1080) |
| Motion interpolation technology | MCI (Motion Clarity Index) 100 |
| 3D | Yes |
| 3D type | Passive |
| Product color | Black |
| Panel mounting interface | 200 x 200 mm |
| Digital signal format system | DVB-C, DVB-S2, DVB-T, DVB-T2 |
| Audio system | Dolby MS10 |
| RMS rated power | 10 W |
| Number of speakers | 2 |
| DVI port | No |
| HDMI version | 1.4 |
| HDMI ports quantity | 3 |
| DVI-D ports quantity | 0 |
| 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. |
| Component video (YPbPr/YCbCr) in | 1 |
| Smart modes | Cinema, Game, Sports, Standard |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (standby) | 0.3 W |
| Package weight | 17800 g |
Weight and Dimensions| Depth (with stand) | 261 mm |
|---|---|
| Height (with stand) | 695 mm |
| Weight (with stand) | 14700 g |
| Depth (without stand) | 76.5 mm |
| Width (without stand) | 1017 mm |
| Height (without stand) | 629 mm |
| Weight (without stand) | 13100 g |
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