Video Flashes on Rotating Tabletop Displays

Publication Date:  2015-08-07 Views:  78 Downloads:  0
Issue Description
When tabletop displays are still, the video displayed is normal. When the tabletop displays are rotating, the video flashes.
Handling Process
Step 1 Purchase a ferrite bead locally or obtain it from the R&D department in Huawei HQ.

Step 2 Remove the metal cover from the bottom of the tabletop display, as shown in Figure 2-1.

Figure 2-1 Bottom cover

Step 3 Install the magnetic ring on the motor cable, as shown in Figure 2-2.

Figure 2-2 Installing the magnetic ring

Step 4 Reinstall the metal cover, as shown in Figure 2-3.

Figure 2-3 Reinstalling the metal cover

Step 5 Connect the tabletop display to a power source and verify that the issue is addressed. Then reinstall the tabletop display to the conference table.

Step 6 Repeat Step 1 through Step 5 for other affected tabletop displays.
Root Cause
The tabletop displays are affected by electromagnetic interference.