B&R Touch Screen Black Screen RepairThe next steps of B&R touch screen black screen repair need to be handled differently depending on the specific cause of the failure. Here are some possible workarounds:
1.If the touch screen is not displayed, it may be a problem with the LCD. In this case, a new liquid crystal needs to be replaced.
2.If the high-voltage plate is damaged, it will also cause problems in the display part, resulting in a black screen on the B&R touchscreen. At this point, the high-pressure plate needs to be replaced.
3.If the power supply part is faulty, and the power supply circuit supplying the LCD screen is abnormal, resulting in a power supply failure, then the touch screen will not be displayed. In this case, you need to check whether the power circuit and transformer are working properly, and if not, you need to replace the corresponding parts.
4.If there are problems such as blurred screen, blue screen, white screen, splash screen, broken screen, etc., it may be due to LCD problems or faulty drivers of the touch screen. In this case, you will need to reinstall the driver or replace the LCD screen.
5.If the touch is unresponsive or the touch is offset, it may be due to a faulty touchscreen driver or dirt on the touchscreen surface. At this point, you'll need to reinstall the driver or clean the touchscreen surface. It should be noted that for B&R touch screen black screen repair, it should be handled accordingly on a case-by-case basis. If you are not a professional maintenance person, it is recommended not to disassemble the device lightly to avoid further damage. It is best to seek the help of professional maintenance personnel to carry out targeted repairs.