Read Sony KV-BT21N40 Service Manual online
21
Additional Information
Snowy picture
Noisy sound
Distorted picture
Noisy sound
No picture
No sound
Good picture
No sound
Possible cause
Symptom
Solutions
x
Troubleshooting
If you find any problem while viewing your TV, please check the following
guide. If any problem persists, contact your Sony dealer.
guide. If any problem persists, contact your Sony dealer.
Page
20
–
16
–
–
20
8, 9
8
9
9
• Check the antenna cable and connection
on the TV, VCR and at the wall.
• Check the antenna setup.
Contact a Sony dealer for advice.
• Preset the channel again.
• Try using a booster.
• Turn off or disconnect the booster if it is in
use.
• Check the power cord, antenna and VCR
connections.
• Press
POWER
.
• Press ! (main power) on the TV to turn
off the TV for about five seconds, then
turn it on again.
turn it on again.
• Press VOL + to increase the volume level.
• Press MUTING to cancel the muting.
• The connection is loose
or the cable is
damaged.
damaged.
• The antenna setup is
inappropriate.
• Channel presetting is
inappropriate or
incomplete.
incomplete.
• Signal transmission is
low.
• Broadcast signals are
too strong.
• The power cord,
antenna or VCR is not
connected.
connected.
• The TV is not turned
on.
• The volume level is too
low.
• The sound is muted.
Troubleshooting guide
continue
Click on the first or last page to see other KV-BT21N40 service manuals if exist.