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First, the use of environmental considerations 1. Operating environment temperature range -20 °C ≤ t ≤ 50 °C, the working environment humidity range 10% to 90% RH;
2. Avoid use or storage in high temperature, high humidity, high acid/alkali/salt environments;
3. Keep away from flammable materials, gas and dust;
4. Avoid strong collision during transportation and avoid sharp objects collision;
5. When the ambient temperature is too high or the heat dissipation conditions are not good, care should be taken not to open the screen for a long time;
6. When the power of the LED display exceeding the specified humidity is applied, it will cause corrosion of parts and even short-circuit and cause permanent damage;
7. It is forbidden to enter water, iron powder and other easily conductive metals. The LED display should be placed in a low-dust environment as much as possible. Large dust can affect the display, and excessive dust can damage the circuit. If water enters for various reasons, switch off the power immediately until all components in the screen are dry.
Second, the switch screen Notes 1. Open screen: first open the control computer to enable normal operation and then open the LED display screen;
2. Close the screen: First turn off the LED screen power supply, turn off the control software, and then turn off the computer properly; (The first turn off the computer does not turn off the display, it will cause the screen body to appear highlights, burn the lamp, the consequences are serious)
3. The interval between switching screens should be more than 5 minutes;
4. To avoid opening the screen in the full white screen state, because this time for the maximum power state, the impact current of the entire distribution system is the largest;
Third, the power supply precautions 1. LED module for the DC +5 V power supply (working voltage: 4.2 ~ 5.2V), prohibit the use of AC power supply; the positive and negative polarity of the power supply terminals is strictly prohibited (Note: Once connected, it will burn the product or even Cause serious fires;
2. LED display power supply voltage: 220V ± 10% frequency: 50HZ ± 5%;
3. The safe earth contact is reliable, the ground wire and the zero wire are isolated and reliable, and the access power is away from the high-power electrical equipment;
4. If abnormalities such as short-circuit, tripping, burning, or smoking are found, the power-on test should not be repeated. Find out the problem in time.
5. Keep the power supply stable, and do a good job of grounding protection against lightning strikes. Do not use it under harsh natural conditions, especially strong lightning.
6. The power supply to the big screen power supply must be step-by-step, because the entire screen's maximum power state will impact the entire power distribution system.
7. LED display screen does not allow full brightness of the full white screen for more than half an hour, so as to avoid excessive current, power cord heat, LED lamp damage, affect the life of the display, it is recommended to play the main dynamic video;
8. During the use of LED display products, the power cannot be continuously turned on or off, and the operation between the two should be separated by at least 1 minute.
9. The LED display has a large screen internal wiring. Non-professionals are forbidden to touch it to avoid electric shock or damage to the wiring. If any problems occur, ask a professional to overhaul it.
Fourth, cleaning considerations 1. Regular cleaning and maintenance: LED full-color display large screen long exposure to the outdoor environment wind, sun, rain, even if the indoor LED display for a long time, the screen will accumulate more dust And the traces of rain washed away, which need regular and timely cleaning to prevent affecting the viewing effect.
2. If cleaning the surface of the module, use a soft brush and gently brush. Do not use any liquid substance to clean the LED module surface, otherwise the LED lamp beads may be damaged;
3. Correct wipe: The surface of the LED display screen can be wiped with alcohol, or with a brush or a vacuum cleaner. Do not wipe it directly with a damp cloth.
Fifth, moisture and storage requirements 1. Storage temperature requirements: ambient temperature -40 °C ≤ t ≤ 60 °C, after opening the package, LED products must be stored in the temperature <30 °C and humidity <60% of the environment;
2. According to the environment of the display screen and the control part, avoid insect bites, and if necessary, place anti-rat poison.
3. The LED display cannot be turned off for a long period of time. If the screen is not used for more than 3 days in a high-humidity environment, warm-up lighting is required each time the screen is lit: 30%-50% of the brightness is warmed up first. 4-8 hours, then adjust the screen body to normal brightness (80%-100%) to remove the moisture so that there is no abnormality in use; if the screen body is not used for more than 7 days, each time the screen body is lit Warm-up lighting is required: 30%-50% of the brightness is warmed up for more than 12 hours, and then the brightness is adjusted to normal brightness (80%-100%) to lighten the screen, thereby eliminating moisture, so that when in use No abnormality.
The maintenance of full-color LED large screens is crucial for extending the life of the display and ensuring the normal operation of the LED large screen. The LED display is faulty during the warranty period. Try to keep close contact with the manufacturer's after-sales personnel and perform maintenance under reasonable guidance. In summary, LED large screens are light emitting and heating semiconductor display products. Although their theoretical value of life can reach 100,000 hours, they must have good quality and be built in the right maintenance and reasonable use environment. . Text / Shenzhen LED base (WeChat public number: Shenzhen LED base)
Like traditional electronic products, to make the LED display life longer, not only need to pay attention to methods in the use of the process, but also need to maintain it. With the widespread use of LED display screens, the increasing use issues and various objective and subjective factors have caused problems such as reduced lifespan and malfunction of LED display screens. In order to make better use of LED display-related products, we have made some practical conclusions about the relevant usage precautions and routine maintenance.