In the advertising machine industry, everyone knows that wall-mounted network advertising machines appear in our lives with their unique technical advantages, especially the colorful animations bring us a new visual experience. We also know that the soul of the wall-mounted network advertising machine is the LCD screen. Its advertisement playback and information dissemination depend entirely on its screen. If there is a problem with the screen of the wall-mounted network advertising machine, it will not only affect the picture effect, but also may cause The wall-mounted network advertising machine cannot be used at all, so how to correctly solve the screen failure of the wall-mounted network advertising machine?
First, there is no display on the screen of the wall-mounted network advertising machine, and the indicator light on the front panel flashes. After this problem occurs, the user should check whether the signal line between the display and the computer is firmly connected, and check whether the connector of the signal line has pins. Broken, bent, etc. damaged.
Second, when the wall-mounted network advertising machine is switched on and off, there will be interference patterns on the screen. Generally speaking, the appearance of this phenomenon is caused by the signal interference of the display card, which is a normal phenomenon. Users can automatically or manually Adjust the phase to solve.
Third, there are thumb-sized black spots on the LCD screen of the wall-mounted network advertising machine, which are mostly caused by external force extrusion. Under the pressure of external force, the polarizer in the liquid crystal panel will be deformed. This polarizer is like aluminum foil. It will not bounce up by itself after being pressed into the recess. This causes the difference in the reflection of the liquid crystal panel, and there will be a dark part. This Some parts are easy to find under the white screen, and the general size is more than ten square millimeters, which is the size of your thumb. Although this phenomenon will not affect the service life of the LCD screen, users should pay more attention not to press the LCD screen of this wall-mounted network advertising player with their fingers.
Hope to help everyone. At the same time, we must cherish the LCD screen, otherwise we will not see the moving advertising effect.
