Troubleshooting - Sony TRINITRON KV-HF51P50 Service Manual

Troubleshooting

If you find any problem while viewing your TV, please check the following guide. If
any problem persists, contact your Sony dealer .
Symptom
Solutions
Snowy picture • Check the antenna cable and connection
on the TV, VCR and on the wall. (page 4)
• Press SELECT until "MANUAL
PROGRAM" appears on the screen then
preset the channel again. (page 9)
Noisy sound
• 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
Distorted picture
in use.
Noisy sound
• If the sound of all the channels are
Good picture
noisy, press AUTO PROGR to preset the
channels again. (page 8)
Noisy sound
• Check the power cord, antenna and the
No picture
VCR connections.
• Press u (power).
• Press U (main power) on the TV to turn
off the TV for about five seconds, then
No sound
turn it on again.
Troubleshooting (continued)
Good picture
Possible cause
• Connection is loose or the
cable is damaged.
• Channel presetting is
No sound
inappropriate or
incomplete.
• The antenna type is
inappropriate.
Dotted lines or stripes
• The antenna direction is
inappropriate.
• Signal transmission is low.
• Broadcast signals are too
strong.
Double images or
"ghosts"
• Channel presetting is
inappropriate or
No color
incomplete.
• The power cord, antenna
Abnormal color patches
or VCR is not connected.
• The TV is not turned on.
continued
19 20
Additional Information Additional Information
Symptom Solutions
• Press ¸ + to increase the volume level.
• Press ¤ to cancel the muting.
• 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.
• Use a highly directional antenna.
• Use the fine tuning (FINE) function.
(page 10)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Turn off or disconnect the booster if it is
in use.
• Press SELECT until "COLOR" appears
on the screen, then press + or – to adjust
the color level. (page 15)
• Press SELECT until "COL SYS " appears
on the screen, then check the color
system setting (usually set this to
"AUTO"). (page 10).
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Locate the TV away from external
speakers or other equipment. 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.
Possible cause
• The volume level is too low.
• The sound is muted.
• There is local interference
from cars, neon signs, hair
dryers, power generators,
etc.
• Broadcast signals are
reflected by nearby
mountains or buildings.
• The antenna direction is
inapproprite.
• Use of a booster is
inappropriate.
• The color level setting is
too low.
• The color system setting is
inappropriate.
• The antenna direction is
inapproriate.
• The magnetic disturbance
from external speakers or
other equipment, or the
direction of the earth's
magnetic field may affect
the TV.