What to do if my LG 55LM640S 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 55LM640S 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 my LG 55LM640S 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 55LM640S 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.
Details TV model, brand, printing specs, and origin notification.
Step-by-step instructions for mounting the TV stand and tidying cables.
Guides for connecting various external devices like HDMI, USB, and antenna.
Details TV models, dimensions, wireless/Bluetooth specs, and 3D modes.
Essential safety guidelines for using the TV, covering environments and handling.
Safety advice on installation location, usage, and handling precautions.
Steps for unpacking, checking accessories, and preparing the TV for setup.
Details on registering, using, and precautions for the magic remote control.
Steps for cleaning the TV screen, frame, cabinet, stand, and power cord.
Solutions for common TV operational problems and error messages.
General| 3D | Yes |
|---|---|
| Annual energy consumption | 107 kWh |
| Storage temperature (T-T) | -20 - 60 °C |
| Supported 3D technologies | LG Cinema 3D |
| Storage relative humidity (H-H) | 0 - 85 % |
| Operating relative humidity (H-H) | 0 - 80 % |
| Display diagonal | 55 \ |
| Native aspect ratio | 16:9 |
| LED backlighting type | Edge-LED |
| Supported video modes | 1080i, 1080p, 720p |
| Display diagonal (metric) | 140 cm |
| Screen format adjustments | 4:3, 14:9 |
| Motion interpolation technology | MCI (Motion Clarity Index) 400 |
| Tuner type | Digital |
| Supported TV bands | CATV, Hyperband, UHF, VHF |
| Analog signal format system | - |
| Digital signal format system | DMB-T, DVB-C, DVB-S |
| Audio system | SRS TruSurround XT |
| RMS rated power | 20 W |
| Number of speakers | 2 |
| DVI port | No |
| HDMI version | 1.4 |
| HDMI ports quantity | 4 |
| DVI-D ports quantity | 0 |
| USB 2.0 ports quantity | 3 |
| Component video (YPbPr/YCbCr) in | 1 |
| Consumer Electronics Control (CEC) | SimpLink |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g |
| Audio formats supported | AC3, MP3, PCM |
| Image formats supported | JPEG XR |
| Video formats supported | DIVX, H.264, MKV, MPEG, MPG |
| On Screen Display (OSD) languages | BUL, CZE, DAN, DEU, DUT, ENG, ESP, FIN, FRE, GRE, HUN, ITA, NOR, POL, RUS, SER, SLV, SWE, TUR |
| Product color | Black |
| Panel mounting interface | 400 x 400 mm |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (standby) | 0.3 W |
| Power consumption (typical) | 73 W |
| Operating temperature (T-T) | 0 - 40 °C |
| Package depth | 190 mm |
| Package width | 1570 mm |
| Package height | 880 mm |
| Package weight | 30600 g |
Weight and Dimensions| Depth (with stand) | 331 mm |
|---|---|
| Height (with stand) | 795 mm |
| Weight (with stand) | 25000 g |
| Depth (without stand) | 33.1 mm |
| Width (without stand) | 1232 mm |
| Height (without stand) | 723 mm |
| Weight (without stand) | 21300 g |
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