To Next PageTo Next PageWhat to do if my LG 60UM7100DUA LED TV has normal audio but no video?
If your LG LED TV has sound but no picture, try these steps: Ensure all cables between the boards are properly connected. Check the backlight and power supply. Verify the Power Board 13.2V output. If problems persist, consider replacing the T-con or Main Board, or repairing the Power Board or its components.
General| Screen Size | 60 inches |
|---|---|
| Display Type | LED |
| Smart TV | Yes |
| Operating System | webOS |
| Processor | Quad-Core Processor |
| Refresh Rate | 60Hz |
| HDMI Ports | 3 |
| USB Ports | 2 |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Audio Output | 20W |
| Resolution | 3840 x 2160 (4K UHD) |
| HDR | Yes (HDR10, HLG) |
Critical safety warnings and guidelines for technicians.
General advice for safe servicing practices and electrical precautions.
Procedures for checking AC leakage current to prevent electric shock.
Rules for safe handling of components and receiver during service.
Precautions for handling sensitive components to prevent static damage.
Best practices for soldering, including temperature and materials.
Defines the scope and testing parameters for the UA93Y chassis.
Outlines testing standards and broad technical features of the TV.
Details supported resolutions and refresh rates for external inputs like HDMI.
Step-by-step guide for updating TV software via USB.
Procedure for updating TV software using a network connection.
Visual representation of the TV's internal components and signal flow.
Illustrates the physical assembly and placement of various parts.
Steps for disassembling the external casing and main components of the TV.
Detailed steps for removing internal modules like panel and LED array.
Troubleshooting steps for issues related to picture display and video signal.
Diagnostic procedures for problems with the TV's power supply and operation.
Steps to resolve issues with sound output or lack thereof.
Guidance for troubleshooting remote control, Wi-Fi, and other functional problems.
Methods for diagnosing and resolving audio or mechanical noise problems.
Procedures for identifying and addressing physical damage to the TV.
