The control card is the core component of the full-color LED display. It is mainly responsible for receiving the picture display information from the computer serial port, putting it into the frame memory, and generating the serial display data and scanning control timing required by the LED display according to the partition drive mode. We can see the importance of the LED display control card from the word "core component".
풀 컬러 led 디스플레이 제어 카드
LED 디스플레이 제어 카드 사용의 일반적인 문제는 일반적으로 디스플레이 문제, 통신 문제 및 기능 요구 사항 문제로 나뉩니다. 솔루션은 3부작입니다. 테스트 버튼(전원 공급 장치와 케이블 간의 연결 테스트)을 누르고 소프트웨어에서 직렬 통신용 스위치를 클릭합니다. 기기(테스트 포트 및 통신선)에서 전원을 차단하고 모든 램프 비드가 꺼진 후 전원을 켭니다(초기화).
Show solution to problem
1. When the control card is normal, why does the display have no display or the brightness is abnormal?
Answer: After the control card is connected to the display driver, the default is 16 scans. If there is no display, please check whether the data polarity and OE polarity settings in the control software are correct; if the brightness is abnormal, one line is particularly bright, indicating that the OE setting is reversed , Please set OE correctly.
2. Why can't the display screen display normally after the information is loaded?
Answer: Check whether the scan output selection in "LED display control card settings" is correct.
3. After the transmission is successful, the display screen shows garbled, garbled, and regular movement (the characters cannot be seen)?
Answer: The typical scanning method is wrong. For semi-outdoor and outdoor, 4 scans, indoor 16 scans, car screen 8 scans, you can save and send successfully after changing the setting screen parameters.
4. After the sending is successful, there will be a horizontal bright line on the display, the one that lights up one line every few lines?
Answer: The direction of the cable is reversed. Press the test button (included on the control card). In this case, it is generally not switched. Just connect the end connected to the led display and the control card in reverse.
