Why do I have a lot of dead spots when I installed LED advertising screen less than a year ago?
Author:Zhang Chunmei Time:2021-09-07 11:24 Browse(661)
There is a dead point
The problem of dead point is more troublesome. Changing lights is particularly troublesome. What kind of full-color screen is the working screen? It's still monochrome. Monochrome is also simple, full color is more troublesome, can also ask others to repair. Hehe, every cent and every cent of goods is the old ancestor's motto! It can be used in any year. The low quotation may have not included after-sales service at the beginning, so I planned to do a hammer sale at the beginning
Why do I have a lot of dead spots when I installed LED advertising screen less than a year ago?

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