To Next PageTo Next PageWhat to do if my LG 55SJ800V picture is broken or freezing?
If the picture on your LG LED TV is broken or freezing, check the RF signal level using a digital signal level meter. Alternatively, use the Diagnostics menu on the TV's OSD (navigate to Advanced > Channels > Channel Tuning > Manual Tuning) to check the signal strength and quality. Normal signal strength and quality should be over 50%.
What to do if there is no video but normal audio on my LG LED TV?
If you have normal audio but no video on your LG LED TV, verify that all cables between the boards are properly inserted. This includes the Main Board, Power Board, LVDS or EPI Cable, Speaker Cable, and IR Board Cable.
What to do if there is no video and no audio on my LG 55SJ800V LED TV?
If there is no video and no audio on your LG LED TV, check the various voltages of the Power Board (13.2V…).
Troubleshooting flowchart for no video with normal audio issues.
Troubleshooting flowchart for no video and no audio issues.
Troubleshooting flowchart for picture breaking or freezing.
Troubleshooting flowchart for color-related video errors.
Troubleshooting for bars, residual images, or light spots on screen.
Troubleshooting flowchart for a TV that does not power on.
Troubleshooting for unexpected power-off issues.
Troubleshooting flowchart for no audio with normal video.
Troubleshooting for distorted, discontinuous, or noisy audio.
Troubleshooting for remote control or local button issues.
Troubleshooting for the MR15RA (Magic Remote) operation.
Troubleshooting for Wi-Fi connectivity and operation issues.
Troubleshooting steps for camera functionality.
Troubleshooting for issues recognizing external devices.
Troubleshooting for circuit noise or mechanical noise issues.
Steps for addressing physical or external damage to the TV.
Checking LCD back light for no video/normal audio issues.
Checking front power indicator for no power issues.
General| 3D | No |
|---|---|
| Luminance | 65 % |
| Annual energy consumption | 108 kWh |
| Power consumption (standby) | 0.3 W |
| Power consumption (typical) | 78 W |
| Screen shape | Flat |
| Response time | - ms |
| Display diagonal | 55 \ |
| Display brightness | - cd/m² |
| Display technology | LED |
| Native aspect ratio | 16:9 |
| LED backlighting type | Edge-LED |
| Display diagonal (metric) | 139 cm |
| Screen format adjustments | 4:3, 16:9, Auto, Zoom |
| Motion interpolation technology | TruMotion 200 Hz |
| Tuner type | Analog & digital |
| Internet TV | - |
| Operating system version | 3.5 |
| Operating system installed | Web OS |
| RF ports quantity | 2 |
| HDMI ports quantity | 4 |
| DVI-D ports quantity | 0 |
| USB 2.0 ports quantity | 3 |
| Ethernet LAN (RJ-45) ports | 1 |
| Common interface Plus (CI+) version | 1.3 |
| Product color | Silver |
| Panel mounting interface | 300 x 300 mm |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
| RMS rated power | 20 W |
| Package depth | 152 mm |
| Package width | 1360 mm |
| Package height | 835 mm |
| Package weight | 20700 g |
Weight and Dimensions| Depth (with stand) | 232.9 mm |
|---|---|
| Height (with stand) | 777.9 mm |
| Weight (with stand) | 15500 g |
| Depth (without stand) | 62.1 mm |
| Width (without stand) | 1236 mm |
| Height (without stand) | 717.6 mm |
| Weight (without stand) | 15300 g |
