How To Repair Faulty Elevator LCD Advertising Display?
11/24/2023
Written By Mark Wang On 24th November 2023
Elevator LCD advertising display in the use of the process often appear some small problems, today, advertising display manufacturers CY Digital Signage to tell you: CY Digital Signage Elevator LCD advertising display failure how to repair?
1.The Elevator LCD advertising display screen black spots
Black spots on the screen of the Elevator LCD advertising display is mostly pressed to appear emotions, strong pressure caused by the building LCD advertising display in the reflection of differences, this part is easy to find under the white screen, the general size is a dozen square millimeters, that is, the size of the thumb. Although this phenomenon will not affect the service life of the Elevator LCD advertising display, but users still need to pay more attention, do not use your fingers to press the screen.
2.The screen does not display, the front panel lights flashing
Elevator LCD advertising display screen does not show but the light blinking problem, the user should check whether the LCD advertising display signal line connection is solid, and check whether the signal line socket has broken pins, bending and other damage.
3.Elevator LCD advertising display no sound
If the user is using a vertical Elevator LCD advertising display, then the user can first open the back cover of the vertical advertising display, use a multimeter to check whether the efficacy of the driver board is energized, and then check whether the connection of the speaker line is normal. If the speaker noise is very large, it indicates that the Elevator LCD advertising display driver board has been damaged, to be replaced immediately. If the user buys a wall-mounted advertising display produced by advertising display manufacturer CY Digital Signage, it needs to be taken down and then troubleshoot in accordance with the troubleshooting steps for vertical advertising displays.
4.Elevator LCD advertising display screen flicker phenomenon
In the daily application, the network version of the building LCD advertising display screen flicker is often encountered by users of the problem. In this regard, the user must first exclude the magnetic field around the device, power supply voltage and other external factors to check, if still can not be applied normally, we must carry out a comprehensive check of the network advertising display graphics card driver to exclude program installation problems. After the above operation is invalid, users can also try to increase the refresh rate of 75HZ to see if it is feasible. If the above operations are unable to achieve satisfactory results, you need the assistance of professionals, the user needs to send the equipment to the repair station for inspection.
5.No response after the Elevator LCD advertising display plugged into the power supply
In fact, there is no response after the Elevator LCD advertising display is plugged into the power supply is a problem that often occurs in the actual application. If the user buys a wall-mounted advertising display, then the user can try to remove the display, open the back cover of the wall-mounted advertising display, check whether the special power supply is energized, whether the present material is off or loose. Specific method: use the amount of 10,000 whether the light is bright, if normal, it indicates that the power supply is powered. Exclude the power supply problem, the user should check the power supply of the decoder board, wall-mounted advertising display driver board, high-voltage bar, speaker and LCD screen in turn. Where not energized indicates that the network advertising display where the accessories have problems.
The above is the advertising display manufacturers CY Digital Signage on different Elevator LCD advertising display fault repair methods, I hope to help users in the daily use of the process of encountering problems.
CY Digital Signage is a Shenzhen China factory with 12 years of advertising machine experience, we integrate R&D, design and production. We have a wide variety of standard models of advertising machine, digital signage, LCD advertising machine, ultra-thin advertising machine in elevator, vertical advertising machine, airport advertising machine, station advertising machine, high-speed railway advertising machine, 3G advertising machine, media advertising machine, building advertising machine, stand-alone advertising machine, network advertising machine, floor standing advertising machine, Apple advertising machine, split screen advertising machine, ultra-thin advertising machine, wall-mounted advertising machine, car advertising machine, and other Customized advertising machine; our product sizes are: 7 inch, 8 inch, 10 inch, 15 inch, 17 inch, 19 inch, 20 inch, 26 inch, 27 inch, 32 inch, 37 inch, 42 inch, 56 inch, 63 inch, 65 inch, 75 inch, 86 inch, 98 inch, 100 inch, 110 inch, 120 inch, etc.
Mark Wang
Mark Wang is the Chief Technology Officer at CY Digital Signage. And he has over 15 years experiences in digital signage solutions.
