Affected models:

• Y20 TU6900, TU700 series
• Y21 AU7000 series
• Y23 CU7000 series

Question:

Is there an abnormal display or vertical line noise when using the TV in W27?

Symptom:

When the TV is used in W27, there is an abnormal display/vertical line noise observed

Background/Cause:

The issue is related to TCON FW update through EMP server (Online method)

Answer:

Yes, this issue may occur due to the TCON firmware update via EMP server. Please follow these steps:

Turn off the TV.

Disconnect the power cord.

Reconnect the power cord.

Turn on the TV.

This should resolve the issue. Avoid creating a service order.