Shenzhen Lianchengfa Technology Co., Ltd.

As an advanced display equipment, LED display is widely used in various occasions, such as advertising, stage background, conference display and so on. However, due to frequent use or other reasons, LED displays may suffer from various failures. Today, the editor of LCF will give you a detailed introduction to the common faults and troubleshooting methods of LED display.

First, LED display common faults

Full screen bright line: The full screen bright line fault may be due to the computer crash or power failure, need to restart the computer or re-power.

Local display board is not on: The local display board is not on because the switching power supply that provides 5V power to the board has no output, you need to check whether the power supply is short circuit.

The two lines of the display unit are not on: The two lines of the display unit are not on, which may indicate that the line 4108 is damaged, and the line needs to be checked and replaced.

Instant computer power off: instant computer power off may be due to insufficient power supply or short circuit of the screen body, need to check the power supply and screen body.

Second, LED display troubleshooting method

Observation method: Through the observation of the LED display, check whether there are abnormal phenomena, such as component damage, wire breakage, welding and other phenomena. If any abnormal phenomenon is found, it is necessary to take timely measures to repair it.

Comparison method: Compare the doubtful part with the normal part to find out the difference, so as to find the fault point. The comparison method can help us locate the fault quickly and accurately.

Replacement method: For doubtful components, alternative methods can be used to verify. If the fault persists, it indicates that the fault point is in the circuit before this component; If the fault is rectified, the fault is located in this component or in the circuit after this component. The replacement method can help us quickly and accurately determine whether the component is damaged.

Segmented troubleshooting method: For more complex faults, segmented troubleshooting method can be used for troubleshooting. The segmented troubleshooting method can divide the entire circuit into several parts, which can be checked one by one to accurately locate the fault location.

Third, LED display troubleshooting precautions

In the LED display troubleshooting, we must pay attention to safety to avoid the occurrence of accidents such as electric shock or equipment damage due to improper operation.

Troubleshooting should be performed in a certain sequence to avoid missing or repeated checks and improve troubleshooting efficiency.

If you are unsure of the cause of the fault, you should seek professional help in time to avoid the expansion of the fault due to blind operation.

In short, understanding the common faults and troubleshooting methods of LED display is of great significance for us to better use and maintain LED display. In daily use, we should pay attention to observe the operation of the display, regular maintenance and maintenance, to ensure the normal operation of the LED display and improve the use effect.

The above is the related knowledge summary of the led display fault summary organized by the editors of LCF, I hope to help you, and welcome you to supplement or correct. LCF is a state-level specialized "little giant" enterprise, integrating "hardware + software + content + interaction" as one of the LED display application and solution providers. If you need to buy led display friends can also directly contact LCF LED display manufacturers Oh, big country brand, trustworthy!