What to do when an led display is black screen

In practical application, LED display screen will inevitably encounter various faults, especially when the LED display screen brokes, which makes the user crazy. Following we will know 2 embarrassing examples of LED blank screen：

 

1. Opening ceremony of the Winter Olympics in Sochi--Black Screen Crash

In 2014 Russia Sochi Olympics opening ceremony, when the audience entered the countdown, the countdown LED sign suddenly became black. In addition, the Olympic Rings also showed wrong on the big screen, leading to 5 rings only showed 4, which caused the sponsors very embarrassed.

 

2. 2015 Beijing Film Festival--Black Screen Crash
In 2015 fifth Beijing International Film Festival, on the new movie directed by Dapeng <A Hero Or Not> award ceremony, when the director published the award-winning speech, part of LED display screen background suddenly became black. This incident made the whole programming division and all the actors were so embarrassment.

LED display screen appears blank screen event has great influence, even caused some irreparable live accidents, especially like the Olympic Games, live Film Festival Occasions. Terminal customers, rental business and LED display supplier will have a lot of losses, especially for rental and manufacturers, that may caused them lost some very important clients, affect the future cooperation. Therefore, as an LED display screen manufacturer, blank screen is a problem worthy of us attention.

 

What caused LED Display Blank Screen?

It is understood, 80% LED display malfunction are because of the following reasons : AC power distribution, terminal, connector, signal and low voltage DC connection ,module, fan, plastic shell components and so on. All these matters may lead LED display screen blank or partial black, mosaic, no signal.

The rest of faults mostly(80%) caused by these reasons: PCB welding spot, capacity, connector, LED lights and low protection grade of cabinets. bolt corrosion of metal hardware, control card fault. The above several reasons also made LED dead lights, highlight, one or more rows is not lit, missing colors and so on. If it is the control card wrongs, the screen images would irregular display.

In the process of control system is used, occasionally had a black screen appears in the LED display. The same phenomenon might cause by several different factors and the screen turns black process will also be different because of the environment. For example, sometimes the screen is suddenly black and sometimes it is gradually turn black or it could be black after sending the content.

 

How to deal with these problems?

1.Make all the components has been fully powered on correctly.
2.Check and repeatedly confirm that whether the connector of controller is loose off. If the screen turn black in the process of loading, which means the communication line is loosening and interruption cause the blank screen. Under the circumstance, please manual examination to solve the problem quickly.
3.Check and confirm the HUB distribution board is connected correctly with LED screen and main control card.
4. Please check and confirm whether the 50P flat cable connected with the control card & HUB distribution board is loose or invert or not .
5. If your display interface definition and HUB board does not match , the black screen phenomenon will appear too. Please double check your jumper is loose or not, open circuit or short circuit phenomenon.
If you have the corresponding the signals ABCD one by one, please check the OE signal is connected properly.

How an led display promote your brand and business

New and lesser known brands are often invisible to the buying public. Consumers pay little attention to them, often giving their full attention to brands that have been around for many years. That’s because consumers value experience and longevity, which is definitely a big hurdle for new businesses trying to get off the ground. How can a new business overcome this hurdle? One way to give your business a fighting chance against older established companies is to improve your advertising and marketing strategy. Start by using an led display as your primary advertising medium.

Personalization

One of the biggest advantages of opting for an led display is that it’s easy to customize the message in terms of specific target audiences. If you want to change the message location, or want it to be more specific, you won’t run into any problems doing so. This will easily boost the engagement of potential buyers in your target market, which will then lead to higher sales. Don’t let your brand and business remain invisible to the traveling public. Improve your advertising and outperform the competition with dynamic digital signage.

Better visuals

Eye-catching visuals have a way of capturing the audience’s attention. For sure, a digital video billboard, with its many display mode options and high resolution graphics, can easily present your advertising message exactly the way that you want it to appear to potential customers. These high resolution full color graphics displays grab the viewer’s interest much more than single-color displays, since they are much more dynamic.

Easy access

Those advertising messages won’t stay the same forever. To be effective, and to continue to attract the viewers’ attention, you need to update your advertising messages on a regular basis. In the past, that meant sending a crew out to repaint a static billboard face or it meant the purchase of an expensive vinyl face that also had to be installed by a crew in the field. Today, with digital signboards, you don’t have to worry about sending a crew out in the field just so you can announce the launch of a new product or promote a weeklong sale. With just a simple keystroke, it’s easy to program new messages and new graphics content in the least amount of time possible. That means less stress and greater convenience for you.

Longer-lasting

A big disadvantage of traditional static billboards is that they have a limited life span before they require replacement. Over a short period of time they become dirty, worn, and faded with constant exposure to changing weather conditions. On the other hand, an LED billboard has a life expectancy of 100,000 hours, says the Billboard Insider. That’s approximately 11-12 years, depending on its hours of operation. By investing in an led display, you can spread out the cost of your investment over a much longer time period than the much shorter life expectancy of a static billboard.

Contact us today for more details at service@tcbleddisplay.com.