Sony Trinitron KV-BT21M80 Service Manual page 78

Symptom
• The volume level is too
Good picture
low.
• The sound is muted.
No sound
Dotted lines or
• There is local
stripes
interference from cars,
neon signs, hair dryers,
power generators, etc.
Double images or
• Broadcast signals are
"ghosts"
reflected by nearby
mountains or
buildings.
• The antenna setup is
inappropriate.
• Use of a booster is
inappropriate.
No color
• The color level setting
is too low.
• The color system
setting is
inappropriate.
• The antenna setup is
inappropriate.
• The magnetic
Picture slant
disturbance from
external speakers or
other equipment, or
the direction of the
earth's magnetic field
may affect the TV.
Possible cause
• Press 2 + to increase the volume level.
• Press
• Do not use a hair dryer or other
• Check the antenna setup. Contact a Sony
• Use a highly directional antenna.
• Use the fine tuning ("Fine") function.
• Check the antenna setup. Contact a Sony
• Turn off or disconnect the booster if it is in
• Display the "Picture" menu and select
• Display the "Setup" menu and check the
• Check the antenna setup. Contact a Sony
• Keep external speakers or other electrical
• Display the "Setup" menu and adjust
Solutions
to cancel the muting.
equipment near the TV.
dealer for advice.
dealer for advice.
use.
"Personal" of "Mode", then adjust the
"Color" level in "Picture Adjustment".
"Color System" setting (usually set this to
"Auto").
dealer for advice.
equipment away from the TV.
"Picture Rotation" so that the picture
position is optimal (KV-BT21M81 only).
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Additional Information
23