Read Sony KV-BT21N40 Service Manual online
23
Additional Information
Possible cause
Symptom
Solutions
The 1 (standby)
indicator on your
TV flashes red
several times
after every three
seconds.
indicator on your
TV flashes red
several times
after every three
seconds.
TV cabinet
creaks.
creaks.
A small “boom”
sound is heard
when the TV is
turned on.
sound is heard
when the TV is
turned on.
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• Your TV’s self-
diagnosis function
indicates the possible
problems.
indicates the possible
problems.
• Changes in room
temperature sometimes
make the TV cabinet
expand or contract,
causing a noise. This
does not indicate a
malfunction.
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.
This does not indicate a
malfunction.
• Count the number of times the 1
(standby) indicator flashes. Press !
(main power) to turn off your TV.
Contact your nearest Sony service center.
(main power) to turn off your TV.
Contact your nearest Sony service center.
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