Troubleshooting - Sony TRINITRON KV-HW21M80 Service Manual

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Troubleshooting

If you find any problem while viewing your TV, please check the following
guide. If any problem persists, contact your Sony dealer.
Troubleshooting guide
Symptom
Snowy picture • The connection is loose
• The antenna setup is
Noisy sound
• Channel presetting is
• Signal transmission is
Distorted picture
• Broadcast signals are
Noisy sound
Good picture
• The TV system setting
Noisy sound
• The power cord,
No picture
• The TV is not turned
No sound
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Additional Information
Possible cause
or the cable is
damaged.
inappropriate.
inappropriate or
incomplete.
low.
too strong.
is inappropriate.
antenna or VCR is not
connected.
on.
Solutions
• Check the antenna cable and connection
on the TV, VCR and at the wall.
• Check the antenna setup.
Contact a Sony dealer for advice.
• Display the "Channel Setup" menu and
select "Manual Program" to preset the
channel again.
• Try using a booster.
• Turn off or disconnect the booster if it is in
use.
• Display the "Channel Setup" menu and
select the appropriate "TV System".
• Check the power cord, antenna and VCR
connections.
• Press (power).
?/1
• Press ! (main power) on the TV to turn
off the TV for about five seconds, then
turn it on again.
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