Note: Before soldering , be sure to remove the pressure plate and the main board connector ( red arrow shown in the following diagram plug location ) , to prevent welding , soldering static electricity generated by the chip on the motherboard breakdown, resulting in damage.

 

Welding is completed, the LCD screen is powered separately to observe whether the LCD screen display. If the screen is displayed , indicating that we have succeeded in the troubleshooting.

 

Note: after power to the LCD screen , do not touch the pressure plate to prevent electrical shock !

 

11 Press to open the reverse order to monitor installed . Note: The screws must not install the wrong location .

 

12. Energized testing machine . Alone to monitor powering , over two or three seconds later, the monitor will display the image , suggesting a missed signal lines.

 

13 . The monitor signal cable is connected to the host , open work monitor test display, image display is normal.

So far, we have relaxed the LCD display black screen failure to solve ! Do not think the noble liquid crystal displays , we dare not touch it. As long as bold, but cautious , careful, do not we diyer impossible to do !

 

In the repair process must be carefully and seriously , the demolition process for each screw , must remember its mounting position on the paper , in order to avoid a mistake .