In the process of use, various faults may occur due to factors such as pollution, looseness, vibration, heat, environmental temperature changes, etc., which may affect the normal use of the LED display screen , and may even cause serious accidents. Therefore, regular maintenance of the LED display is essential. So what is the main maintenance of the LED display?
First, inspection
The general LED display inspection is based on the "monthly inspection system", and the large-scale LED display maintenance is carried out by the "week inspection system". The specific maintenance content and response speed promise:
1, LED display screen body repair, including lamp, module, module, power supply, control card;
2, LED display control system maintenance, including controller, fiber conversion card, distributor, transmission card;
3, LED display dedicated playback operation software, including maintenance and upgrade of the playback software;
4. Regular (once a month) on-site inspection by technicians to inspect and maintain the system;
5, major activities to ensure that: the company's technical staff to ensure the smooth implementation of on-site activities.
6. For outdoor LED display, damage caused by natural factors such as wind, rain, lightning, electricity, etc., is not covered by the warranty. The owner needs to be insured by the insurance company and paid by the insurance company.
7. During the maintenance service period, the general fault will be solved within 8 hours, and the major accident will not exceed 24 hours. Maintenance should replace the module and other accessories, no more than 24 hours. After the repair is completed, the service ensures that the large screen does not have a fault above the module level (such as module color cast, module black, and a column is not lit), and plays normally.
Second, clean up
For displays with lower protection levels, especially for outdoor screens, dust in the atmosphere enters the device through the vents, which can accelerate wear and even damage to devices such as fans. Dust also falls on the surface of the internal control device of the display to reduce thermal and insulating properties. In the case of wet weather, dust absorbs moisture in the air and causes short circuit. In the long run, it can cause mildew of PCB boards and electronic components, resulting in a decline in technical performance of the device. error occured. Therefore, the cleaning work of the LED display seems to be simple, and it is actually an important part of the maintenance work.
Third, fastening
The LED display screen is a high-power consumption device. After a certain period of operation, due to multiple start-stops and operation, the terminal of the power supply part will be loose due to hot and cold, the contact is not strong, and the virtual connection will be formed. Ignite the plastic components next to it. The signal terminals are also loose due to changes in ambient temperature, and the moisture is corroded to cause poor contact, which in turn leads to equipment failure. Therefore, the connectors of the LED display must be periodically tightened. When the fasteners are adjusted, the force should be evenly and properly ensured to be strong and effective.
Fourth, the display surface is clean
The LED display screen is visually inspected and inspected in both bright and black screen states. Including: whether the surface of the display screen is contaminated, the purpose is to remove the influence of surface dirt on the illuminating characteristics; whether there is damage crack on the surface of the display screen; whether the communication distribution cable line is normal; for the equipment with high protection level, although the high reliability is selected Components and connectors, but its tightness is a key factor, therefore, it is necessary to regularly check the integrity of the seal; for the outdoor screen steel structure to check the surface paint and rust; for the outdoor screen surface pollution is particularly serious, but also Clean the display surface.
LED display cleaning If you are working at height, you need a professional cleaning team. The cleaning operation adopts the high-altitude sling method (commonly known as spiderman) or the hanging blue, and is equipped with professional cleaning equipment. The cleaning personnel select different cleaning agents according to the different dirt on the screen to clean the target, so as to ensure that the LED tube is not damaged. The cleaning of the LED display is completed under the premise of the mask.
There are two points to note when cleaning preparation:
1. Before cleaning, you need to pull out the power cord.
Second, the choice of cleaning fluid, cleaning fluid generally includes electrolyte, high-purity distilled water, anti-static liquid, etc., should choose good quality, in order to effectively clean the dust and other marks on the LED screen.
Cleaning and maintenance is divided into three steps:
The first step: vacuuming. First remove and remove dirt and dust from the surface of the display mask.
The second step: wet washing. Be careful not to spray the lotion directly onto the screen. Instead, spray a small amount of cleaning solution onto the cleaning cloth and gently wipe it in the same direction. You can also scrub the lamp cover with a soft brush on the vacuum cleaner to clean the dirt.
The third step: drying. Use a vacuum cleaner to absorb the water marks left behind after the wet wash to ensure that the display mask is clean and free of dust.
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