21
Troubleshooting
Most problems you encounter with your TV you can correct by consulting the Troubleshooting list that
fol
lows.
If the trouble still persists, contact the service center.
For TV
Troubleshooting
Problems Check
No picture or sound.
Check if the power supply is plugged in.
Check if the power switch is in "on'" position.
Picture is OK, no sound.
Check if the volume control is set to the minimum or mute position.
Remote control doesn't
work.
Check if the power switch is in "on" position.
Check if the batteries are out of use or not connected well.
To make sure that there is no strong light strikes the sensor window of remote
control unit.
Check there are no obstacles before the sensor window of remote control unit.
No TV signal.
Check if the TV/AV button is not set to TV status.
Check if the antenna is well connected.
Check if you operated in right way.
No external video signal.
Check if you operated in right way.
Check if the TV/AV button is set to AV position.
Picture lacks color or picture
too dark.
Check color, bright and contrast controls are correctly adjusted.
All channels lose color
intermittently.
Check if the antenna is broken.
Check if the antenna is disconnected.
Check if the antenna is damaged.
Poor reception, loss of color
with certain channels.
Check if channels are correctly tuned (see "Fine tuning") .
Diagonal stripes appear on
picture.
The receiver may be affected by interference (e.g. from nearby radio
broadcasting transmitter or from another TV receiver).
Picture has "snow".
Check if the antenna is broken.
Check if the antenna is disconnected.
Check if the antenna is damaged.
Ghost images appear.
Check if the antenna direction has been changed by storm or strong wind, etc.
(because ghost images are caused by the arrival at the antenna of both the
signal which has traveled directly from the transmitter and the signal which has
been reflected from a hill or a large building. So that the direction of the
antenna should be chosen for minimized ghost.)
Summary of Contents for TDM-1311
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