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21Additional Information
Lines moving across the
TV screen.
The u (standby) indicator
on your TV flashes red
once or more in intervals
of 3 seconds.
TV cabinet creaks.
A small “boom” sound is
heard when the TV is
turned on.
Possible causeSymptom
Solutions
• There is interference from
external sources, e.g.,
heavy machinery, or a
nearby broadcast station.
• Your TV may need service.
• Changes in room
temperature sometimes
make the TV cabinet
expand or contract,
causing a noise. This does
not indicate a malfunction.
• The TV’s demagnetizing
function is working. This
does not indicate a
malfunction.
• Use the fine tuning (FINE) function.
(page 10)
• Contact your nearest Sony service
center. (page 22)
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