FAQ

Common Problems of LCD Advertising Players (3)

Source: KONWHAI TOUCHAuthor: KONWHAI Date: 2020-10-14 Click:

  •      The LCD advertising machine uses LCD monitors to play video advertisements, which is especially suitable for high-end brands' integrated multimedia technology to deliver a full range of product information and promotional information to consumers. Improve the display rate and display effect of products in the sales terminal, and stimulate impulsive purchases.
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  •      As the fifth media, the LCD advertising player is also an electronic product. Everyone knows that electronic products will have problems of one kind or another due to the aging of electronic components during use.
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  •      So, what are the problems with LCD advertising players in daily use?
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  • Common Problems of LCD Advertising Players (3)

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  •   Common problems of LCD advertising machine (three) solutions: 
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  • 1. Recently purchased a 55-inch LCD advertising player. After replacing the original CRT monitor, the power-on self-test was normal, but a black screen occurred when entering the Windows desktop, and the problem remained after restarting. What is the reason? How to solve it?
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  •      Answer: This problem occurs because the refresh rate or resolution setting of the monitor exceeds the support range of the LCD. The solution is as follows:
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  •      The first step is to start the computer normally, press the F8 key on the keyboard when starting Windows, and choose to start the computer in safe mode. The second step, right-click the blank space on the system desktop, select "Properties" in the pop-up menu, the "Display Properties" setting interface will appear, select the "Advanced" option in the lower right corner of the interface, and then the display will appear In the setting interface of the card, change the "Refresh Speed" under "Adapter" to "Default Adapter", save and exit. The third step, restart the computer, you should be able to enter the Windows desktop, change the desktop resolution to 1024×768 OK.
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  • 2. Can individual users disassemble the LCD advertising player by themselves?
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  •      Answer: No. Because even if the LCD advertising player is turned off for a long time, the CFL inverter in the internal backlight assembly may still have a high voltage of about 1000V, which can cause serious personal injury. So don't disassemble the LCD advertising player by yourself to avoid high pressure. Moreover, disassembling the LCD advertising player without the permission of the dealer will lose the warranty rights.
  • 3. What should I do if there is no response when the advertising player is plugged in?
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  •      Answer: Use the key to open the back cover of the advertising machine, check whether the special power supply of the advertising machine is energized, whether the current material is off or loose, whether the indicator light is on when the multimeter is used, if the power supply is powered, check whether there is on the decoder board Check whether there is power on the advertising player drive board, check whether the high voltage bar is powered on, check whether the speaker is ringing, check whether the LCD screen is powered on, and if any place is not powered, it means that the advertising player is broken. It is necessary to replace the accessories of the advertising machine immediately, as the power supply is most likely to be damaged, then call the manufacturer’s express advertising machine special power supply.
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  • 4. What causes the serious flickering phenomenon of the advertising machine screen?
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  •      Answer: There are several situations: please check whether there is magnetic interference around; please check whether the power supply voltage is stable; please check the display and graphics card driver; increase the refresh rate by 75HZ; if it still does not work, please go to the repair station to check.
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