To Next PageTo Next PageWhat to do if the picture is broken or freezing on my LG LED TV?
If the picture on your LG LED TV is broken or freezing, you can check the RF signal level using a digital signal level meter. Also, verify the RF cable connection. If the issue persists, consider replacing the Main Board.
How to fix no video but normal audio on LG 55UR80 0PSB LED TV?
If you have no video but normal audio on your LG LED TV, start by checking that all cables between the boards are properly inserted. Next, check the Power Board voltage. If necessary, repair the Power Board or its parts.
What to do if there is no video and no audio on my LG 55UR80 0PSB LED TV?
If your LG LED TV has no video and no audio, you should check the various voltages of the Power Board. If that doesn't resolve the issue, consider replacing the Power Board and repairing any faulty parts.
General| Screen Size | 55 inches |
|---|---|
| Resolution | 3840 x 2160 (4K UHD) |
| Display Type | LED |
| Smart TV | Yes |
| HDMI Ports | 3 |
| USB Ports | 2 |
| Refresh Rate | 60Hz |
| Processor | Quad Core Processor |
| Operating System | webOS |
| Ethernet | Yes |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Speaker System | 2.0 Channel |
| Audio Output | 20W |
| HDR | HDR10 |
| Weight | 14.2 kg |
Critical safety information regarding electrical and mechanical parts and potential hazards.
Procedure for checking AC leakage current with the power plug removed from the source.
Procedure for checking AC leakage current with the power plug directly connected to the outlet.
Essential guidelines for safe and effective servicing of the TV chassis.
Techniques to prevent damage to components sensitive to static electricity.
Troubleshooting steps for the absence of video and presence of normal audio.
Procedure to visually inspect the LCD back light for proper operation.
Procedure for checking and adjusting the TV's white balance settings.
Procedure to check the TV's software and hardware version information.
Procedure to check the TV's front power indicator status.
Procedure to measure power input voltage and ST-BY voltage.
Method to check the TV's power off mode status.
Procedure to check voltage and speaker functionality for audio issues.
Steps to verify the power cord connection and power strip functionality.
Procedure for inspecting the Power Board for defects and measuring voltages.
Procedure to inspect the Main Board and display module for defects.
