Common problem full-color LED unit board: Q: Is not the high brightness of the screen increasingly better? How should we determine the brightness of the screen? A: No, the screen brightness higher led parts supplier, the higher the price. Dazzling brightness too high, uncomfortable. To decide the brightness of the screen according to the brightness of the environment. Fluorescent lighting is not required for day environment, we recommend using a semi-outdoor unit board 1/16 sweep is sufficient. If it is the main road to the west led accessories sets, no one around the tree led Parts Network, very bright during the day, use 1/8 sweep. Shandong LED unit board display full-screen failure: A. entire screen is not bright (black) 1, the detection power supply is powered on. 2, testing the communication cable is plugged in, with or without a wrong. (Synchronous screen) 3, synchronous screen detection sending card and receiving cards communication whether the flashing green light. 4, the computer monitor is protected or display area is black or pure blue. (Synchronous screen) led parts prices, high Jinliang photovoltaic (certified), led accessories provided by the Jinan High Jinliang Optoelectronics Technology Co., Ltd .. Jinan High Jinliang Optoelectronics Technology Co., Ltd. (www.zhkyled.com) is an industry leader in Jinan, Shandong, liquid crystal device, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In high Jinliang photoelectric leadership with the staff warmly welcome all inquiries negotiations to create high Jinliang photoelectric a better future.