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Solve Black Screen LED Display Fault Five Elements
- Mar 21, 2016 -

1, please be sure to include all hardware, control systems are all on the right. (Note: +5V, don't reverse, a wrong) 2, check and confirm the serial cable is used to connect controllers are loose or have fallen off. 3, check and make sure your connections LED display and main HUB module connected to the control card is connected, whether to invert. 4, Ling letter, please check and confirm the connection control cards and distribution HUB between 50-pin cable is loose or invert. 5, if you have a display interface definition and the HUB plate does not match the provided blank screen phenomenon can also occur, please recheck your jumper is loose, open circuit or short circuit.

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