To Next PageTo Next PageWhat to do if my LG OLED42C3 OLED TV has vertical or horizontal bars, residual image, light spot, or external device color error?
If your LG OLED TV shows vertical or horizontal bars, a residual image, a light spot, or an external device color error, first check the color condition by input. If the issue persists, replace the Main/T-con Board.
What to do if there is no video but normal audio on my LG OLED TV?
If you have normal audio but no video on your LG OLED TV, check whether all the cables between the boards are properly inserted. Also, check the Power Board for normal voltage. If these steps don't resolve the issue, consider replacing the T-con/Main Board or repairing the Power Board or its parts.
What to do if there is no video and no audio on my LG OLED42C3?
If there is no video and no audio on your LG OLED TV, check the various voltages of the Power Board (20V, 12V, etc.). If necessary, replace the Power Board and repair its parts.
What to do if my LG OLED42C3 picture is broken or freezing?
If your LG OLED TV picture is broken or freezing, first check the RF signal level. Also, verify if other equipment is causing the problem. Consider a software upgrade. If the issue persists, it may be necessary to replace the Main Board. You may also need to contact your signal distributor or broadcaster (Cable or Air).
General| Screen Size | 42 inches |
|---|---|
| Display Type | OLED |
| Refresh Rate | 120 Hz |
| Smart TV | Yes |
| HDMI Ports | 4 |
| Operating System | webOS |
| USB Ports | 3 |
| Ethernet | Yes |
| Voice Assistants | Google Assistant, Amazon Alexa |
| Resolution | 3840 x 2160 (4K UHD) |
| HDR Support | Dolby Vision, HDR10, HLG |
| Bluetooth | Yes |
| Wi-Fi | Yes |
| Audio Output | 40W |
Provides general instructions for safe servicing procedures.
Procedure to check AC leakage current with the unit unplugged.
Procedure to check AC leakage current with the unit powered on.
Essential safety rules to follow before and during servicing.
Guidelines for handling components sensitive to static electricity.
Recommended techniques and materials for soldering electronic components.
Defines the TV models and regions this specification applies to.
Outlines the conditions and standards for testing TV components.
Details the methodologies used for TV performance and safety testing.
Lists general specifications for different regional models and broadcasting systems.
Specifies supported DTV formats via HDMI input, including resolution and frequency.
Instructions for updating TV software using a USB storage device.
Instructions for updating TV software via network connection.
Step-by-step instructions for removing the rear cover of the TV.
Troubleshooting steps for various video-related issues like no video or picture distortion.
Troubleshooting steps for power-related problems such as no power or intermittent power.
Troubleshooting steps for audio issues like no sound or distorted audio.
Troubleshooting steps for operational failures of remote control, Wi-Fi, or other functions.
Diagnosing and resolving issues related to circuit or mechanical noise.
Guidance on identifying and addressing physical or cosmetic damage to the TV.
