Troubleshooting – Daewoo DSL-15D3 User Manual
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Troubleshooting
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Please check the following items before calling for the repair services.
Problem
Check item
Reference page
TV set
Control/System lock up
· The TV may have malfunctioned.
-
· Switch your TV off and on again with the main
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button on the TV set.
Remote control does
· Perform control/system lock up reset (as above)
not work.
· Replace the batteries in the remote controller.
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· Make sure the Remote sensor window is not
-
understrong light e.g. a fluorescent lamps.
Local buttons do not work.
· Has the Child lock been switched on?
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No picture and no sound.
· Check that the TV set is switched on at the main
switch.
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No picture.
· Make sure the brightness and contrast are not set to minimum.
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No colour
· Make sure the Colour is not set to minimum.
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· Check the System settings.
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Picture is too light or too dark. · Adjust the Brightness, Contrast.
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The picture is improperly tinted. · Adjust the Colour temperature.
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· Check the Tint adjustment (NTSC signal)
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No sound.
· Check that the volume is not set to minimum.
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· Check sound is not muted.
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· Make sure headphones are not connected.
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Aerial
The picture is not sharp.
· Reception may be weak.
The picture shakes.
· The quality of the broadcast may also be poor.
· Make sure the aerial is facing the correct direction.
· Chcek that the outside aerial is not disconnected.
The picture is ghosted.
· Mountains or high buildings can cause double pictures.
· Try changing the direction of the aerial.
The picture is spotted(snow).
· There may be interference from automobiles, trains, high voltage lines,
neon lights, etc.
· There may be interference between the aerial cable and power cable.
· Try positioning cables further apart.
Picture has lines and faded
· Transmission aerial of amateur radios and cellular phones may cause
colours.
interference.
· Position the TV set as far away as possible from devices that may cause
interference.
PC
Poor image
· Adjust the Phase and Frequency.
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Image is not centered on screen · Adjust the Horizontal and vertical position.
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