Sony KV-XF34M31 Service Manual page 42

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Troubleshooting (continued)
Symptom
Solutions
Good picture
• Press
¸
+ to increase the volume level.
• Press ¤ to cancel the muting.
• Press A/B
until a good sound is
heard. (not for these models)
No sound
Dotted lines or stripes
• Do not use a hair dryer or other
equipment near the TV.
• Adjust the antenna direction for
minimum interference. Contact a Sony
dealer for advice.
Double images or
• Use a highly directional antenna.
"ghosts"
• Use the fine tuning (FINE) function.
(page 28)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Turn off or disconnect the booster if it is
in use.
No color
• Display the A/V CONTROL menu and
select "ADJUST" of PICTURE MODE,
then adjust the COLOR level. (page 21
and 22)
• Display the CH PRESET menu and
check the color system (COL SYS)
setting (usually set this to AUTO).
(page 29)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
Abnormal color patches
• Keep external speakers or other
electrical equipment away from the TV.
Do not move the TV while the TV is
turned on. Press U (main power) on the
TV to turn off the TV for about five
minutes, then turn it on again.
TV cannot receive stereo
• Press A/B
until "AUTO" appears on
broadcast signal.
the screen.
(not for these models)
32
Additional Information
Symptom
Possible cause
Stereo broadcast sound
• The volume level is too
switches on and off or is
low.
distorted.
• The sound is muted.
or
• Broadcast signal has a
The sound switches
transmission problem.
between monaural and
stereo frequently.
(not for these models)
"100" appears on the top
• There is local interference
of the screen and no
from cars, neon signs, hair
Teletext display.
dryers, power generators,
(KV-XF34M31 only)
etc.
Teletext display is
• Broadcast signals are
incomplete
reflected by nearby
(picture snowy or double
mountains or buildings.
images).
(KV-XF34M31 only)
• The antenna direction is
inapproprite.
• Use of a booster is
inappropriate.
Picture slant
• The color level setting is
too low.
• The color system setting is
inappropriate.
Lines moving across the
TV screen.
• The antenna direction is
inapproriate.
u
The
indicator on your
TV flashes red a number
• There are magnetic effects
of times between
from external speakers or
3-second intervals.
other electrical equipment
that may affect the TV.
TV cabinet creaks.
• The direction of the earth's
magnetic field may affect
the TV.
• The stereo reception
setting is inappropriate.
A "boom" sound is heard
when the TV is turned on.
Possible cause
Solutions
• Check the antenna cable and connection
• Connection is loose or the
on the TV, VCR and on the wall. (page 4)
cable is damaged.
• Adjust the antenna direction. Contact a
• The antenna direction is
Sony dealer for advice.
inappropriate.
• Press A/B
until a good sound is
• Broadcast signal has a
heard.
transmission problem.
• The channel carries no
Teletext broadcast.
• Check the antenna cable and connection
• Connection is loose or the
on the TV, VCR and on the wall. (page 4)
cable is damaged.
• Adjust the antenna direction. Contact a
• The antenna direction is
Sony dealer for advice.
inappropriate.
• Try using a booster.
• Signal transmission is too
low.
• Use the fine tuning (FINE) function.
(page 28)
• The terrestrial magnetism
• Display the SET UP menu and adjust
affects your TV set.
"PIC ROTATION" so that the picture is
aligned to the TV screen. (page 25)
• The interference from
• Use the fine tuning (FINE) function.
external sources, e.g.,
(page 28)
heavy machineries, nearby
broadcast station.
• Contact your nearest Sony service
• Your TV may need service.
center.
• 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.
Additional Information
33

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