In addition, look from the lamp, can put more lights together to compare, LED lamp shape and size consistency is better for machine bending molding, more is the product of mass production. The consistency of the product is good, the quality is easy to be guaranteed, and the interchangeability is better during maintenance. Of course, there should be no appearance of cracks, looseness, or prying between the joints. In the process of installation and disassembly, the LED lamp cap should not be loose or tilted.
3411AB 7-segment
3411AB LED
3411BB Display
3411BB
What is the reason why the unit board and the whole screen of LED display are not bright? LED advertising screen unit board is not bright, if there is a problem with LED advertising screen, you can check roughly first, if finally found that the unit board is not bright, this problem is actually relatively easy to solve. First check the power supply, for example, check whether the LED unit board is powered, if not, you can check the circuit and use the multimeter to check the circuit, if there is no problem, it is ok. If there is still a problem, you can check the data cable.
4401AS LED
4401AS 0.40 inch
4401BS 7-Segment
4401BS Display
