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Troubleshooting Guide
25
Before calling service personnel, please check the following chart for a possible
cause to the trouble you are experiencing.
Unevenness in colour in
some parts of the screen.
When the set is switched on, do not shift or move
the set around. Sometimes it may develop an
unevenness in colour in some parts of the screen.
This can be eliminated by switching off the set with
the POWER switch and wait for 10 minutes before
switching on again.
Snowy picture.
It is possible that the aerial "lead-in" is damaged or
comes off.
Check the antenna direction.
Remote controller does
not work.
The batteries may be worn out.
The batteries may be installed with their polarity
reversed.
Even if the picture or the sound is normal, changes
in room temperature sometimes makes the TV
cabinet expand or contract, making a noise. This
does not indicate a malfunction.
TV cabinet creaks.
Power is not turned on.
Poor colour, poor tint.
Be sure the power cord is plugged in.
Contrast, colour, tint are not correctly adjusted.
Spots appear on the screen.
Possible interferences of automobiles, motorcycle,
trolley bus, neon lamps, etc.
Stripes appear on the screen.
Double images or "ghosts".
Possible interference of electronic interference
from another TV set, a computer, an electronics
game machine, a broadcast station, etc.
This may be caused by reflections from nearby
mountains or buildings.
Check the antenna direction.
Check the following itemsSymptoms
No picture and most of the
buttons are useless.
It is possible that the TV set is in child lock mode.
Black screen but the sound
is normal.
It is possible that the TV set is in music TV mode.
AV playback interference.
It is possible that both of the DVD and S-Video
terminals are connected.