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LCD splicing screen black screen splash screen processing method

April 29, 2023
[ Huaqiang Security Network News ]

In today's society, LCD splicing screens are everywhere, so what should I do when there is a black screen splash screen on the LCD splicing screen? Don't panic, let's talk about it one by one.

LCD splicing screen

With its large screen and stunning picture, the LCD splicing wall makes our life more and more exciting. At the same time, because of its rich color, it is widely used in many industries such as security monitoring and entertainment, but if the LCD splicing screen appears When the black screen or the splash screen is used, the display effect of the LCD splicing screen will be seriously affected.

The reason for the black screen is basically: power, adapter, board, and the worst result screen is broken.

The first is to check the power supply: the performance is as follows: the panel button does not have any response, the indicator light does not light, first use the multimeter multimeter to measure the voltage, if there is no voltage or the voltage becomes very low, then one may be the power circuit input stage presents a problem, also That is to say, the point source has a problem locally. This kind of problem is very common. Ordinary is burning insurance (safety protection) or the voltage regulator chip is faulty. Some machines are built-in switching power supply. Therefore, when we stop the LCD splicing screen, we must ensure that the voltage is stable! Another situation is that if the program is washed away, it may lead to failure to boot. This is like our computer can't open the machine, sometimes it is the reason of the software, which requires us to purchase the software.

The LCD screen splicing screen is generally the following: the power adapter is damaged, the power plug is unstable, the voltage is unstable, the VGA cable interface is not secure, or the cable is damaged. The solution is: reconnect the VGA cable, carefully refer to the product connection manual, carefully connect according to the above instructions, the interface should be tightly inserted to avoid short circuit or poor contact. Use a multimeter to detect the internal connection line of the LCD splicing screen, find the line with poor contact or short circuit, and replace the high-quality circuit connection line. Use a multimeter to check if the power of the LCD splicing screen is grounded. The screen flicker may be caused by this reason. If there is a problem, ground the power supply.

After understanding the above knowledge, I believe that in the future, when the LCD splicing screen appears black screen and splash screen, we can also look at it ourselves.

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Author:

Ms. eleven

Eメール:

magic@magicmax.cc

Phone/WhatsApp:

+8613538497137

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