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Last month, a shopping mall in Shanghai opened. Lao Zhang from the purchasing department found a small workshop with cheap price. As a result, the color block fault occurred after three days of installation of the LED large screen - the rework fee alone cost 230,000 yuan more! Buying LED screens these days is like opening a blind box. Today we will talk about how to spend money on the edge. 1. Three major channels of life and death situation:...
Want to install a large LED screen but don’t know who to buy it? To be honest, nine out of ten people who have just come into contact with this industry will be confused - the advertising screens all over the streets look similar, but the prices range from thousands to hundreds of thousands. How deep is this water? Don’t panic, today we will break it and chat, and teach you step by step to find a reliable merchant. Wire...
Alas, why can't the LED screen I just bought connect to the computer? The backend has exploded in the past two days, and many friends asked anxiously: Why didn’t the LED screen you bought for a lot of money plugged in to the computer? Don’t panic! This is just like a new phone and WiFi, and it looks complicated and it is actually just a few steps. Let me talk about cold knowledge first - now...
Dear friends who want to open a bar, are you often troubled by these two questions: Where should the bar be opened? How to choose that cool LED screen? Today we will break it apart and talk about it. We will ensure that you are as transparent as if you have a cold beer after listening! 1. Three golden rules for bar site selection...
Core equipment positioning: control card installation direction and heat dissipation layout Why does the control card position affect display stability? Industry data shows that 42% of LED screen failures are caused by improper installation of the control card. According to professional engineering experience, the following principles must be followed for the installation of control cards: Horizontal...
Do newbies who are new to LED displays often hold up USB flash drives to look for interfaces? Just like the first time I can't find the headphone jack with a smartphone, this seemingly simple question hides great knowledge. Today we will break it apart and explain it clearly, so that you will no longer be a "interface touching hero"! # Why can't your USB drive be plugged in...
"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. ...