Samsung CL29A551GQ9XZD Service Manual page 20

3. Screen
Problem
The screen is black and there is no sound.
Only the screen is blank/it is dark or too bright.
The screen is blue/the external channel is not
displayed.
The screen overlaps (double/triple).
The screen is snowy or unclear. The picture quality
gets worse when it is windy
Dotted or semi-dotted lines are displayed on the
screen.
The screen is black and white.
The colors of the screen are odd/strange.
Unusual lines appear on the screen.
Unusual lines appear on the screen when watching
or recording to video.
4. Sound
Problem
There is no sound.
The sound is very low.
There is a lot of noise.
The selected language does not appear.
Samsung Electronics
■ Check if the power cord is properly connected.
■ Turn on the power.
■ Select an AV channel that corresponds to the external device.
Adjust the screen brightness.
■ Check if the connector is properly installed.
■ Select an AV channel that corresponds to the external device.
■ Check if the antenna is properly installed.
■ Adjust the position, angle or direction of the antenna.
■ Check if the antenna has been bent or moved by the wind.
■ Check the antenna for its lifetime.
(Normally 3 - 5 years, 1-2 years near the coast)
Install the antenna as far away from the road as possible.
■ Adjust the color density.
■ Check if the connector is properly installed.
Adjust the color tones.
Keep the antenna away from the power cord or connectors if possible.
Keep the video player as far away from the TV as possible.
■ Increase the volume.
■ Press the Mute button.
■ Increase the volume.
■ Set the auto volume control to ON.
Keep the antenna away from the power cord or connectors if possible.
Press the Multiplex button to select the TV.
Troubleshooting
Solution
Solution
4-3