Solve the problem of LED display walls bright line

AddTime：11/22/2016 12:44:22 AM

In we buy LED display, outdoor full-color LED display, LED electronic display screen, always hard to avoid in the process of using a series of bright line, then we should be how to deal with such a thing? Maple core LED display Tang Gong think: before maintenance professional LED manufacturer, self-check Suggestions from three aspects:

1, the product quality is not pass. Do not covet is cheap to buy when buy low price low quality products.

2, the voltage instability. Due to the leakage phenomenon.

3, improper operation method, by human operation error, influence the effect of the screen.

Now that we know from the aspects, so should be how to check? First determines the power if there is any damage, still can normal use. Because of a power unit controls a few board at the same time. Can measure the output voltage is between 4.9 ~ 5.5 v. Is beyond the scope of the word, is likely to be the power supply is broken.

Then check that the control card is the normal use. Turn on the power supply first, look at the control card whether indicating light; If not bright, inspect whether there is 5 v voltage power supply, LED electronic screen can display content, if we can display content, control card display function is good; Then search control card with control card software, if we can find the words, explain the function of the control card to send content good; If not find, have to check the communication lines connected, if ok, it is likely to be card is out of question. As long as the two function is good, the control card is ok, otherwise will replace the control card.

Finally, to check the unit board is good. LED display of the signal from one plate to another board input. So there is a plate out of the question, will affect the back of the plate. So one by one to check whether the unit board is normal. Even if you can check out the problem, damage to the unit board, should contact the supplier for repair in time, to ensure the normal use of LED electronic display screen.