What should I do if there is a black screen, no light, no words, and sound when playing files?

2021-01-05 12:33:50 hongling

What should I do if there is a black screen, no light, no words, and sound when playing files?


solution:


(1) This situation may be that the high-voltage cable is not connected in place, or there is a problem with the high-voltage. If you cannot confirm it, please replace it with a new high-voltage for testing to judge;


(2) Eliminate the problem of high voltage. Finally, it can be confirmed that there is a problem with the lamp tube of the LCD screen, and the LCD screen should be repaired.