Giải pháp cho các vấn đề thường gặp của máy quảng cáo LCD trong trung tâm mua sắm và máy quảng cáo tòa nhà. Trong cuộc sống hàng ngày, nhiều người dùng thường gặp phải những hỏng hóc kiểu này hay kiểu khác khi sử dụng máy quảng cáo LCD mà không biết bị lỗi gì. Người biên tập sẽ chia sẻ với bạn những nội dung sau: Giải pháp cho các sự cố thường gặp của máy quảng cáo LCD trong trung tâm thương mại và máy quảng cáo tòa nhà.
What should I do if the LCD screen flickers severely?
Please check whether there is magnetic interference around; please check whether the power supply voltage is stable; please check the monitor and graphics card driver; increase the refresh rate by 75HZ; if it still does not work, please go to the repair station to check.
The screen is black and shows "Signal out of sync range" or "OUT OF RANG". What is the reason?
When the signal sent by the microcomputer exceeds the display range of the display, the display detects an abnormal signal and stops working. The user can turn off the display first; turn it on again, and then reset the output frequency of the microcomputer.
How to clean the casing of the machine?
Use a cotton cloth dipped in clean water to wipe, do not use any cleaning agents, this will make the shell lose its unique luster when leaving the factory.
There is no display on the screen, and the indicator on the front panel is flashing, what should I do?
Check whether the signal line connection between the monitor and the microcomputer is firm, and check whether the signal line connector is broken or bent.
Can't the resolution of the monitor go up?
In most cases, it is a usage problem. First check whether the driver of the graphics card and monitor has been installed, and then check whether the graphics card and monitor can reach the performance you require according to the instruction manual. If everything is normal, then the monitor is faulty and you can only contact the repair center to solve it.
How to clean the LCD screen?
Khi lau màn hình LCD, cố gắng không dùng khăn ẩm quá ẩm để tránh xảy ra các lỗi như chập mạch bên trong màn hình LCD do hơi ẩm xâm nhập vào màn hình; Bạn nên lau màn hình LCD bằng các vật mềm như vải lau kính, giấy thấu kính, v.v. để tránh hơi ẩm xâm nhập vào màn hình. Bên trong màn hình LCD sẽ không bị trầy xước.
Why does the LCD advertising player not shut down at the designated shutdown time or there is a time disorder, etc.
When setting the power-on time, the user must set the power-on time earlier than the power-off time, such as:
Correct, the boot time is 8:00 in the morning, and the shutdown time is set at 20:00 in the evening
Wrong, the boot time is set at 11:00 in the morning, and the shutdown time is set at 8:00 in the morning
Because we usually default to 24 hours a day, and the machine defaults to turning on the machine first during the day.
The color of the outdoor LCD advertising machine screen appears abnormal, how to deal with it?
Method 1: First pull out the CF card and debug with an empty machine; then press "Setup" → move the cursor to "preference" → press "ENTER" to enter the next menu → move the cursor to "OSD LANG" → press "→" Right arrow key to enter the lower-level directory, select "
Chinese", the menu will change to Chinese display → move the cursor to the "set value" → press the "→" right direction key to enter the lower directory → press the "ENTER" key to refresh the screen. See if the color returns to normal ;
Method 2: Insert the CF card, press the "BCC" button on the remote control while playing the files in the card; press it once, the screen will display "Brightness", press it a second time, the screen will display "Contrast" (Contrast), press the third time, the screen displays
"color" (color), addition and subtraction can be adjusted by volume keys; you can adjust the color and contrast brightness of your LCD screen through these three, so that your display achieves the best display effect.
Why did the LCD advertising player shut down suddenly after 20 seconds of turning it on?
The advertising machine suddenly shuts down after being turned on for 20 seconds, indicating that the advertising machine should be in a sleep state at this time;
What is the sleep state: At this time, the machine time is at 22:00, but the user sets the power on and off function to "allow", and sets the power-on time at 8:00 in the morning and the power-off time at 20:00 in the evening, then every time After the machine is powered on, it will first automatically monitor the current
Whether the machine time is within the power-on time (that is, between 8:00 and 20:00), if it is now 22:00, it means that the machine is not within the power-on time at this time, so the machine is automatically turned off;
Ưu điểm của chức năng này là nếu một nơi đột ngột mất điện vào lúc 12 giờ: 00 thì đến 23 giờ 00 mới có cuộc gọi. Lúc này, nếu máy không tự động theo dõi chức năng tắt máy sẽ tiếp tục phát tệp cho đến lần tắt máy tiếp theo. Tắt, để tránh không cần thiết
Loss;
The LCD advertising machine has a black screen, no light and no sound, and the indicator light does not light up
Check whether the 220V voltage is normal. Whether the connecting terminals of the power cord from the machine and the external power cord are connected correctly, make sure that the machine is powered on.
The power indicator of the machine is off, which proves that the machine is not powered yet
There are pictures and no sound after the LCD advertising machine is turned on
Check if the volume setting is adjusted to the minimum
Whether the mute switch is turned on
Whether the power amplifier is connected to the decoder board, and then check whether the power amplifier is powered on
