Troubleshooting - Sony TRINITRON KV-SZ252M50 Service Manual

x Troubleshooting
If you find any problem while viewing your TV, you can either use the
"Factory Settings" function (see page 16) or check the Troubleshooting guide
below. If the problem persists, contact your Sony dealer.
Snowy picture, noisy sound
• Check the antenna setup and other connections.
• Preset the channel manually again (see page 15).
• Set the "Signal Booster" to "Auto" (see page 15) or try using an external booster.
Distorted picture, noisy sound
• Set the "Signal Booster" to "Off" (see page 15), or turn off or disconnect any external
booster in use.
Good picture, noisy sound
• Select the appropriate "TV System" (see page 15).
No picture, no sound
• Check the power cord, antenna setup and other connections.
• Press 4/1 (power) to turn on the TV.
• Press 1 (main power) on the TV to turn off the TV for about five seconds, then turn it on
again.
Good picture, no sound
• Press 2 + to increase the volume level or press
Dotted lines or stripes
• Do not use a hair dryer or other equipment near the TV.
• Check the antenna setup.
Double images or "ghosts"
• Use the fine tuning ("Fine") function (see page 15).
• Check the antenna setup or use a highly directional antenna.
• Turn off or disconnect any external booster in use.
No color
• Adjust the "Color" level from "Picture Adjustment" (see page 12).
• Select the appropriate "Color System" (see page 16).
• Check the antenna setup.
Picture slant
• Keep external speakers or other electrical equipment away from the TV.
• Adjust the "Picture Rotation" or "Picture V-Position" (see page 16).
Abnormal color patches
• Keep external speakers or other equipment away from the TV. Do not move the TV while
the TV is turned on. Press 1 (main power) on the TV to turn off the TV for about 15
minutes, then turn it on again to demagnetize the TV.
Teletext display is incomplete (snowy picture or double images) (KV-SZ292M81/SZ252M81 only).
• Check the antenna setup and other connections.
• Set the "Signal Booster" to "Auto" (see page 15) or try using an external booster.
• Use the fine tuning ("Fine") function (see page 15).
to cancel the muting.
continue
17 GB