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sarahcannonJul 31, 2025
What to do if my LG Monitor has no power?
- RRebecca HuffJul 31, 2025
If your LG Monitor isn't powering on, begin by pressing the Power Key. Then, measure the voltage of each output of the Power Board.
What to do if my LG Monitor has no power?
If your LG Monitor isn't powering on, begin by pressing the Power Key. Then, measure the voltage of each output of the Power Board.
Why does my LG 86UH5C turn off by itself?
If your LG Monitor turns off unexpectedly, check the A/C cord and fix it if necessary. Also, check the Power Board voltage.
What to do if my LG 86UH5C is making noise?
If you hear circuit or mechanical noise from your LG Monitor, identify the noise type and replace the PSU if the noise is severe.
What to do if my LG 86UH5C has no video and no audio?
If there is no video and no audio on your LG Monitor, check the various voltages of the Power Board (12V, 20V, or 24V) and replace the Power Board if needed.
How to fix LG 86UH5C Monitor with no video but normal audio?
If your LG Monitor has no video but normal audio, check whether all the cables between the boards are inserted properly.
How to fix color error on LG Monitor?
To address color errors on your LG Monitor, check the color by input and replace the Color Link Cable.
How to check WIFI operating on LG 86UH5C Monitor?
To check the WIFI operation on your LG Monitor, verify the Wi-Fi MAC value and cable connection.
General| Panel life | 50000 h |
|---|---|
| Response time | 8 ms |
| Display diagonal | 86 \ |
| Display brightness | 500 cd/m² |
| Display technology | LED |
| Native aspect ratio | 16:9 |
| Contrast ratio (dynamic) | 4000000:1 |
| Contrast ratio (typical) | 1200:1 |
| Display number of colors | - |
| USB version | 2.0/3.2 Gen 1 (3.1 Gen 1) |
| HDMI ports quantity | 3 |
| DVI-D ports quantity | 1 |
| DVI-I ports quantity | 0 |
| Compatible memory cards | SD |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (standby) | - W |
| Power consumption (typical) | 275 W |
| Product color | Black |
| Product design | Digital signage flat panel |
| Panel mounting interface | 600 x 400 mm |
| Operating hours (hours/days) | 24/7 |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 10 - 80 % |
| Cables included | AC, DisplayPort |
| Number of stylus pens | 2073 |
| Package depth | 1260 mm |
| Package width | 292 mm |
| Package weight | 61100 g |
Weight and Dimensions| Depth | 61 mm |
|---|---|
| Width | 1925 mm |
| Height | 1097 mm |
| Weight | 49000 g |
Safety guidelines for handling LCD modules and backlight units.
Circuit diagram and procedure for checking leakage current.
Precautions for replacing batteries, including explosion risk.
General guidelines for safe servicing procedures and component handling.
Techniques to reduce damage to ES devices from static electricity.
Best practices for soldering, including temperature and techniques.
Details on DVI-D, HDMI, Display Port, and OPS interface specifications.
Signal timing parameters for DVI, HDMI, DP, and OPS interfaces in PC mode.
Signal timing parameters for HDMI, DP, and OPS interfaces in DTV mode.
Resolution support for multi-screen configurations across different interfaces.
Overview of adjustment items, including main PCB and final assembly checks.
Steps for automatic adjustments like MAC address, HDCP2.2, and LAN inspection.
Procedures for downloading serial numbers and checking WiFi MAC addresses.
Procedures for RS232 inspection and understanding EDID data for various interfaces.
Objective and methodology for reducing panel White Balance deviation.
Necessary equipment and connection diagrams for white balance adjustment.
RS-232C commands and adjustment map for controlling white balance parameters.
Step-by-step methods for adjustment and reference data for color coordinates.
Method for inspecting the pixel sensor, including preparation and steps.
Procedure to check if the unit enters standby mode after adjustment.
Procedures for performing Ground and High Potential (HI-POT) electrical safety tests.
Method for checking the audio output levels and performance.
Procedure for downloading software updates via USB for service.
Detailed steps for manual adjustment of white balance parameters.
Visual representation of the main components and their interconnections within the system.
Visual breakdown of the product's components with reference numbers for identification.
Introduction to the standard repair process for troubleshooting common issues.
Steps to diagnose and resolve issues when there is no video signal or only normal audio is present.
Diagnostic steps for scenarios where both video and audio are absent.
Troubleshooting procedures for color errors and external device color problems.
Steps to address vertical/horizontal bars, residual images, light spots, and external device errors.
Troubleshooting guide for when the unit fails to power on.
Steps to diagnose and fix power-off issues during operation or auto power-off.
Troubleshooting for remote control operation and WiFi connectivity problems.
Steps to resolve issues where external devices are not recognized.
Troubleshooting steps for checking and resolving WiFi operational errors.
Methods for identifying and resolving circuit noise and mechanical noise problems.
Procedures for diagnosing and repairing physical damage to the unit's exterior.
