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"How to eliminate the ghost of the box? "——This is a question raised by Wang Gong of the Operation and Maintenance Department of a shopping mall at the annual summary meeting. Data shows that in 2023, display failures caused by improper installation of control cards account for 47%, of which 38% of cases directly resulted in an average daily advertising revenue loss of more than 2,000 yuan. Hidden in the screen...
Revealing the location of the core interface Why can't the signal line find the correct interface? Most LED screens adopt a modular design, with key contacts hidden in three positions: Receiver card output terminal: located in the iron box on the back of the display screen, with the green terminal marked "OUT" Box docking area...
1. Three tests that must be done before buying a screen Recently, a friend bought an outdoor screen that he spent 80,000 yuan. He always stuttered when broadcasting videos. Later, he found that the refresh rate was only 960Hz. This shows that the verification of the authenticity of parameters is more important than bargaining. It is recommended to bring these three tools: Optical tester: Whether the actual brightness meets the standard (...
“My LED screen is always gray, so where is it not adjusted properly? ” This is the most common problem when many users first come across LED displays. As the core carrier of modern digital displays, computer-controlled LED displays need to be scientifically set to perform optimally. This article will disassemble the setup flow step by step...
Two days ago, the owner of the hot pot restaurant, Lao Li pointed to the quotation and was worried: "What does this NS-P3-4K mean? What's the difference with the HD-M4 from the old Wang family next door? "Today we will teach you step by step to understand the tricks in the model and turn into a high-level player in five minutes! Password hidden in letters The letters at the beginning of the model are not casual...
Are you also dazzled by searching for "LED circle screen" online? The novice novice wanted to buy a circular display, but found that some merchants asked for more than 100,000 yuan, while others priced at 20,000 to 30,000 yuan. The price difference was too big! Not to mention those scattered technical parameters, such as P2.5 and P3, it makes people feel hurt. ...
To be honest, when you touched the back cover of the LED screen for the first time, were you also like a headless fly pressing around? Last week, my neighbor Lao Wang took over the shopping mall's large screen maintenance and pressed the tuning button as the motherboard switch for half an hour. Today I will take you to play "Everyone to find fault" and teach you how to understand these mechanisms hidden in the steel jungle...
Why are LED screens called "electronic blood vessels" in modern cities? From airports to malls, from courts to stages, these flashing screens are changing our lives. Do you know? In 2024 alone, the number of LED screens installed nationwide has increased by 23%, and they penetrate into every corner of the city like capillaries...
Do you know why it depends on the location of the company's headquarters to buy an LED display? When we usually buy mobile phones and look at the brand, we actually have to look at the "born" when choosing an LED screen. Just like when you buy seafood, you have to ask where the fishing port is, and when you choose a display, you have to find out the location of the company's nest first - this is directly related to the product materials, technical level and after-sales response speed...
Are you always attracted by the wavy screens on the circular corridor when you are shopping in the mall? Now even gas stations have started to install curved LED screens. But if you really have to build a curved screen yourself, where should you install it so as not to waste money? Today we will break it apart and talk about this. First understand the doorway of the arc screen This thing is not...
I heard that the daily salary of a large LED screen can be 800 yuan now? Last month, my cousin took on the job of advertising screens in the mall as soon as he entered the industry and earned half a month of living expenses in three days. Are you also itchy and want to try it? Don’t worry, let’s talk about the tricks of this industry today! How can novices get into the industry quickly? Alas, don't say it now...
The newly installed LED screen suddenly turned black. I took it apart and saw that the control board was soaked in water - I have seen so many such bad things. Three days before a shopping mall opened last year, the repairman took out a hot control board from the ventilation duct, and the lines were all baked. Today we will talk about this inconspicuous but deadly widget, so that you can avoid stumbles after reading it...