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12 Trouble Shooting
Before arranging for service, firstly know the status and then check simply as follows:
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
No TV signal.
No external video signal.
Picture lacks colour or
picture too dark.
All channels lose colour
intermittently.
Poor reception, loss of
colour with certain channels.
Diagonal stripes
appear on picture.
Picture has snow
Ghost images appear.
Check if the power switch is in on position.
Check if the batteries are out of use or not connected well.
Make sure that there is no strong light striking the sensor
window of remote control unit.
Check there are no obstacles between the sensor window
and remote control unit.
Check if the TV/AV button is not set to TV status.
Check if the antenna is well connected.
Check if you installed the TV correctly.
Check if you installed the TV correctly.
Check if the TV/AV button is set to AV position.
Check colour, brightness and contrast
controls are correctly adjusted.
Check if the antenna is broken.
Check if the antenna is disconnected.
Check if the antenna is damaged.
Check if channels are correctly tuned (see
Fine tuning ).
The receiver may be affected by interference
(e.g. from nearby radio broadcasting transmitter
or from another TV receiver).
Check if the antenna is broken.
Check if the antenna is disconnected.
Check if the antenna is damaged.
Check if the antenna direction has been changed
by a 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.
The direction of the antenna should be chosen
for minimized ghosting.)
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