Troubleshooting - Sony TRINITRON KV-BT212M80 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
22
Additional Information
Possible cause
or the cable is
damaged.
inappropriate.
inappropriate or
incomplete.
low.
too strong.
is inappropriate
(KV-BT212M50/
BT212M40/BM142M40
only).
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.
• Display the "Channel Setup" menu and set
the "Signal Booster" to "Auto" from
"Manual Program".
• Try using an external booster.
• Turn off or disconnect the external booster
if it is in use.
• Display the "Channel Setup" menu and set
the "Signal Booster" to "Off" from
"Manual Program".
• Display the "Channel Setup" menu and
select the appropriate "TV System" from
"Manual Program".
• 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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