Troubleshooting - Sony TRINITRON KV-SZ25M61 Service Manual

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Troubleshooting

If you find any problem while viewing your TV, you can either use the "Factory
Settings" function or check the Troubleshooting guide below. If the problem
persists, contact your Sony dealer.
"Factory Settings" function
Press the WEGA GATE button. Choose "Settings" and go to "Setup" (
From "Setup" menu, select "Factory Settings". Then select "Yes" and press
Your TV will go blank for a few seconds, then the "Initial Setup" menu will
appear. Your TV will be set to factory settings, but certain problems may be
solved.
Symptom
Snowy picture, • Check the antenna cable and connection on the TV, VCR and at the wall
noisy sound
(see page 21).
• Check the antenna setup. Contact a Sony dealer for advice.
• Preset the channel again (see page 19).
• Try using an external booster.
Distorted picture,
• Turn off or disconnect the external booster if it is in use.
noisy sound
No picture,
• Check the power cord, antenna and VCR connections (see page 21).
no sound
• Press
• Press ! (main power) on the TV to turn off the TV for about five seconds,
then turn it on again (see page 8).
Good picture, • Press 2 + to increase the volume level (see page 9).
no sound
• Press
• Press A/B until "Stereo" or "Mono" appears on the screen (see page 13).
Dotted lines or
• Do not use a hair dryer or other equipment near the TV.
stripes
• Check the antenna setup. Contact a Sony dealer for advice.
Double images or
• Use a highly directional antenna.
"ghosts"
• Check the antenna setup. Contact a Sony dealer for advice.
• Turn off or disconnect the external booster if it is in use.
• Display the "Picture" menu and select "Custom" from "Picture Mode",
No color
then adjust the "Color" level from "Picture Adjustment" (see page 17).
• Display the "Setup" menu and check the "Color System" setting
(usually set this to "Auto") (for video input only) (see page 20).
• Check the antenna setup. Contact a Sony dealer for advice.
Picture slant
• Keep external speakers or other electrical equipment away from the TV.
• Display the "Picture Position" under "Setup" menu, then adjust "Picture
Rotation" and "Picture V-Position" so that the picture is aligned to the TV
screen (see page 20).
• Keep external speakers or other equipment away from the TV. Do not
Abnormal color
patches
move the TV while the TV is turned on. Press ! (main power) on the TV
to turn off the TV for about 15 minutes, then turn it on again to
demagnetize the TV.
(power) to turn on the TV (see page 9).
?/1
to cancel the muting (see page 9).
Solutions
Additional Information
) menu.
.
continue
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