source:Industry Trends release time:2023-09-22 Hits: Popular:led screen wholesaler
1. The LED module is powered by DC+5V (working voltage: 4.2-5.2V), and AC power supply is prohibited; It is strictly prohibited to connect the positive and negative terminals of the power supply in reverse (note: once connected in reverse, it will burn out the product and even cause serious fire);
2. Power supply voltage of LED display screen: 220V ± 10% Frequency: 50HZ ± 5%;
3. Safe and reliable contact with the ground, reliable isolation between the ground wire and the neutral wire, and access to the power supply far away from high-power electrical equipment;
4. If abnormal phenomena such as short circuit, tripping, wire burning, and smoking are found, the power test should not be repeated, and the problem should be promptly identified.
5. Keep the power supply stable and provide grounding protection to avoid lightning strikes. Do not use it in harsh natural conditions, especially in strong lightning weather;
6. The power supply for the large screen must be provided step by step, as the maximum power state of the entire screen will have an impact on the entire distribution system.
7. LED display screens are not allowed to play full white images with the highest brightness for more than half an hour to avoid excessive current, heating of the power cord, damage to the LED lights, and affecting the lifespan of the display screen. It is recommended to mainly play dynamic videos;
8. During the use of LED display products, the power supply cannot be continuously turned on or off, and the two operations should be separated by at least 1 minute;
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