digital signage media appliance xmp-3250

[Fault Phenomenon] One LCD touch screen doesn’t work, and there is no response when touching any part.   [Fault Analysis and Treatment] First check whether the connection interface is loose, and then check whether there is conflict between serial ports and interrupt number. If there is conflict, adjust resources to avoid conflict. Then check whether there are cracks on the surface of the touch screen. If there are cracks, replace them in time, Also need to check whether there is dirt on the touch screen surface, if there is, use a soft cloth to remove it. Observe and check whether the indicator light on the control box works normally. When it works normally, the indicator light is green and flashes.   If the above parts are normal, the touch screen can be checked by replacement method, first replace the control box, then replace the touch screen, and finally replace the host.   If it is a resistive touch screen, it can be overhauled as follows: 1）Check whether the connection of the touch screen is right, and whether one of the connections (taking 5V touch screen working voltage from the keyboard port) is connected. Please check the connection. 2）Observe the light condition of the touch screen control box. If it doesn’t light up or the red light is on, the control box is broken. Please replace it. 3）If not, please delete the touch screen driver and restart the computer, re-install the driver, or replace the driver with a newer version. 4）If

LCD mainly consists of LCD black-and-white screen and TFT color screen. The following mainly introduces the relationship between the manufacturing difficulty and size of LCD black-and-white screen: According to expert statistics, the size and process difficulty of LCD segment code screen have such a rule: the larger the size, the more complex the manufacturing process. The main reasons are as follows:   The larger the size of LCD, the more difficult it is for staff to operate.   The larger the size of LCD is, the higher the requirement of equipment grade is.   The larger the size of LCD, the higher the defect rate of the product.   The larger the size of LCD, the more bad things will appear, such as darkening.

The development of technology is for better progress. With the continuous development of technology, the high-tech products that we use and come into contact with in our lives have become very common, and touch white boards have been applied to all aspects of life. Our most common ones are stations, banks and shopping malls. Here, you can always see them, working all the time, what role can our hospitals with touch white boards have? In fact, our touch white board machines have been widely used in hospitals, and they can generally be seen in the lobby of the hospital. What is its function, for example: touch white board machines have good interactive functions. When the patient comes to the hospital, he can directly use the touch white board machine to complete many autonomous functions. For example, you can query related information by touching the screen. You can also touch to see the introduction of various diseases or patient inquiries. With this machine, the operating efficiency of the hospital has been greatly improved. At the same time, patients who come to the hospital or their family members can use this machine to avoid all kinds of troubles caused by queuing. This is a very ordinary machine currently used in hospitals. The touch white board machine can be placed in different places in the hospital to replace the hospital’s guidance table, and can navigate to different clinics in detail. The hospital is too big and many people can’t find a specific place.