Sony Trinitron KV-XA21 Operating Instructions Manual page 21

Symptom
• There is interference
Lines moving across
the TV screen. from external sources,
e.g., heavy
machineries, nearby
broadcast station.
• Your TV may need
The 1 indicator on
service.
your TV flashes red
a number of times
between 3-second
intervals.
• Changes in room
TV cabinet creaks.
temperature
sometimes make the
TV cabinet expand or
contract, making a
noise. This does not
indicate a malfunction.
• The TV's demagnetizing
A "boom" sound is
function is working.
heard when the TV
This does not indicate a
is turned on.
malfunction.
Possible cause Solutions
•Use the fine tuning (FINE) function.
•Contact your nearest Sony service center.
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Additional Information
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