Others (Troubleshooting) - Samsung UN46ES7500F E-Manual

Others (Troubleshooting)

Purple/green rolling horizontal bars and
buzzing noise from the TV speakers with a
Component cable connection.
Remove the left and right audio
connections from the Set-Top box. If
the buzzing stops, this indicates that
the Set-Top box has a grounding issue.
Replace the Component video cables
with an HDMI connection.
The picture won't display in full screen.