Sony Trinitron KV-AR21M81 Service Manual page 84

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Symptom
• The volume level is too
Good picture
• The sound is muted.
No sound
No sound or • The Portable Audio
inappropriate
sound
Dotted lines or • There is local
stripes
Double images or
• Broadcast signals are
"ghosts"
• The antenna setup is
• Use of a booster is
• The color level setting
No color
• The color system
• The antenna setup is
26
Additional Information
Possible cause
low.
Mode is functioning.
interference from cars,
neon signs, hair dryers,
power generators, etc.
reflected by nearby
mountains or
buildings.
inappropriate.
inappropriate.
is too low.
setting is
inappropriate.
inappropriate.
Solutions
• Press 2 + to increase the volume level.
• Press to cancel the muting.
• Display the "Setup" menu and set the
"Portable Audio Mode" to "Off".
• Do not use a hair dryer or other
equipment near the TV.
• Check the antenna setup. Contact a Sony
dealer for advice.
• Use a highly directional antenna.
• Use the fine tuning ("Fine") function.
• Check the antenna setup. Contact a Sony
dealer for advice.
• Turn off or disconnect the booster if it is in
use.
• Display the "Picture" menu and select
"Personal" of "Mode", then adjust the
"Color" level in "Picture Adjustment".
• Display the "Setup" menu and check the
"Color System" setting (usually set this to
"Auto").
• Check the antenna setup. Contact a Sony
dealer for advice.
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