–
26
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KV
-XA21M30/XA21M63
RM-952
KV
-XA21N90
RM-915
Additional Information
26
4
–
21
–
14
12
23
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Stereo broadcast
sound switches on
and off or is
distorted.
or
The sound switches
between monaural
and stereo
frequently.
(not used for this
model)
Picture slant
(KV-XA21M30 only)
Lines moving across
the TV screen.
The
1
indicator on
your TV flashes red
a number of times
between 3-second
intervals.
TV cabinet creaks.
A “boom” sound is
heard when the TV
is turned on.
Possible cause
Symptom
Solutions
• Connection is loose or
the cable is damaged.
• The antenna direction
is inappropriate.
• Broadcast signal has a
transmission problem.
• The magnetic
disturbance from
external speakers or
other equipment, or
the direction of the
earth’s magnetic field
may affect the TV.
• There is interference
from external sources,
e.g., heavy
machineries, nearby
broadcast station.
• Your TV may need
service.
• Changes in room
temperature
sometimes make the
TV cabinet expand or
contract, making a
noise. This does not
indicate a
malfunction.
• The TV’s
demagnetizing
function is working.
This does not indicate
a malfunction.
Page
• Check the antenna cable and connection
on the TV, VCR and on the wall.
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Press A/B until a better sound is heard.
•Keep external speakers or other electrical
equipment away from the TV.
• Press SELECT until “PIC ROTATION”
appears on the screen, then press + or –
to align the picture to the TV screen.
• Use the fine tuning (FINE) function.
•Contact your nearest Sony service center.
—
—
Troubleshooting (continued)
19
Additional Information
Snowy picture
Noisy sound
Distorted picture
Noisy sound
Good picture
Noisy sound
No picture
No sound
Troubleshooting
If you find any problem while viewing your TV, please check the following guide. If
any problem persists, contact your Sony dealer .
Possible cause
Symptom
Solutions
• Check the antenna cable and connection
on the TV, VCR and on the wall.
• Preset the channel again.
• Check the antenna type (VHF/UHF).
Contact a Sony dealer for advice.
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Try using a booster.
• Turn off or disconnect the booster if it
is in use.
• If the sound of all the channels are
noisy, then press AUTO PROGRAM to
preset the channels again.
• Check the power cord, antenna and the
VCR connections.
• Press POWER on the remote.
• Press POWER on the TV to turn off the
TV for about five seconds, then turn it
on again.
• Connection is loose or
the cable is damaged.
• Channel presetting is
inappropriate or
incomplete.
• The antenna type is
inappropriate.
• The antenna direction
is inappropriate.
• Signal transmission is
low.
• Broadcast signals are
too strong.
• Channel presetting is
inappropriate or
incomplete.
• The power cord,
antenna or VCR is not
connected.
• The TV is not turned
on.
continued
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Additional Information
(KV-XA21N90)