Sony KV-XF25M50 Service Manual page 20

Symptom Solutions
Good picture
• Press ¸ + to increase the volume level.
• Press ¤ to cancel the muting.
No sound
• Do not use a hair dryer or other
Dotted lines or stripes
equipment near the TV.
• Adjust the antenna direction for
minimum interference. Contact a Sony
dealer for advice.
• Use a highly directional antenna.
Double images or
"ghosts"
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Turn off or disconnect the booster if it is
in use.
• Display the A/V CONTROL menu and
No color
select "ADJUST" of PICTURE MODE,
then adjust the COLOR level. (pages 16
and 17)
• Display the CH PRESET menu and
check the color system (COL SYS)
setting (usually set this to AUTO).
(page 24)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Keep external speakers or other
Abnormal color patches
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.
Troubleshooting (continued)
Possible cause
• The volume level is too
low.
Picture slant
• The sound is muted.
The u indicator on your
TV flashes red a number of
times between 3-second
• There is local interference intervals.
from cars, neon signs, hair
TV cabinet creaks.
dryers, power generators,
etc.
• Broadcast signals are
reflected by nearby
A "boom" sound is heard
mountains or buildings.
when the TV is turned on.
• The antenna direction is
inappropriate.
• Use of a booster is
inappropriate.
• The color level setting is
too low.
• The color system setting is
inappropriate.
• The antenna direction is
inappropriate.
• The magnetic disturbance
from external speakers or
other equipment, or the
direction of the earth's
magnetic field may affect
the TV.
continued
27 28
Additional Information Additional Information
Symptom
Solutions
• Display the SET UP menu and adjust
"PIC ROTATION" so that the picture is
aligned to the TV screen. (page 20)
• Contact your nearest Sony service
center. (page 25)
—
—
Possible cause
• The terrestrial magnetism
affects your TV set.
• 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.