Samsung UN40D6420UFXZA - Manual (Page 297)

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English
Issues Solutions and Explanations
Others
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.
• HD channels will have black bars on either side of the screen when
displaying up scaled SD (4:3) contents.
• Black bars will appear on the top and bottom of the screen when you
watch movies that have aspect ratios different from your TV.
• Adjust the picture size options on your external device or the TV to full
screen.
A “Mode Not Supported”
message appears.
• Check the supported resolution of the TV, and adjust the external
device’s output resolution accordingly. Refer to the resolution settings
on User manual.
• The external device’s Capton function must also be activated
Caption on TV menu is greyed
out.
• You cannot select the Caption menu if you have selected a source
connected to the TV via HDMI or Component.
• The external device’s Caption function must also be activated.