1. What are the following reasons for the severe flickering of the screen?
Please check if there is magnetic interference around and check if the power supply voltage is stable.
2. There is no display on the screen. The indicator on the front panel is blinking. What should I do?
Check that the signal cable between the screen and the decoder board is secure, and check if the connector of the signal cable is bent or broken.
3. Can lcd work continuously for a long time?
Lcd long-term operation is no problem, in fact, lcd less heat, low power consumption, more suitable for long-term operation. But from the maintenance point of view, it should give lcd a time to breathe, after all, lcd is a more delicate product, and the problem is not as easy to solve as the crt display.
4. How to clean the LCD screen?
To clean the LCD screen, try not to use a damp cloth with too much water to prevent the water from entering the screen and causing internal faults such as lcd. It is recommended to wipe the LCD with a soft cloth such as glasses cloth or lens paper. This will prevent moisture from entering the interior of the LCD screen and avoid scratching the screen.
5. Can an individual user disassemble the lcd by himself?
No, because even after the lcd is turned off for a long time, the CFL converter in its internal backlight assembly may still have a high voltage of about 1000v, which can cause serious personal injury. So don't disassemble the lcd yourself, so as not to encounter high voltage. And disassembling the lcd without the dealer's permission will void the warranty.
6. What should I do if the advertising machine is plugged in without power?
Check whether the dedicated power supply of the advertising machine is energized, whether the wire is disconnected or loose. If the power supply is voltage, check if there is power on the decoder board, then check if there is power on the driver board, check if the high voltage bar is powered, check the LCD screen. Whether it is energized or not, any point is different, it means that the fault is in that part, and the manufacturer is notified to replace the part. In general, the possibility of power supply damage is greatest.
7. How to solve the problem with the LCD advertising machine?
Use a multimeter to measure whether the power supply on the drive board is powered and normal. Check if the connection cable of the speaker is normal. If the driver board is not properly installed, replace the driver board. If the speaker is not normal, replace the speaker. Generally, the connection line of the speaker and the speaker is the easiest to fall off. If it is off, solder it with a soldering iron. If the speaker is very loud, it is the damage of the driver board. The driver should be replaced. Board, the above parts can be found in the factory express.
Wireless Temperature Transmitter
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