Samsung PC490-ZC user manual Troubleshooting, Issues Solutions and Explanations

Other Information

Troubleshooting

If the TV seems to have a problem, first try this list of possible problems and solutions. If none of these troubleshooting tips apply, visit “www.samsung.com,” then click on Support, or call Samsung customer service at 1-800-SAMSUNG.

Issues	Solutions and Explanations
Poor picture	First of all, please perform the Picture Test and confirm that your TV is properly displaying the test image.
	(go to MENU - Support - Self Diagnosis - Picture Test) (p. 25)
	If the test image is properly displayed, the poor picture may be caused by the source or signal.
The TV image does not look as good as it	• If you have an analog cable/satellite box, upgrade to an HD digital set top box. Use HDMI or
did in the store.	Component cables to deliver HD (high definition) picture quality.
	• Cable/Satellite subscribers: Try HD stations from the channel line up.
	• Antenna connection: Try HD stations after performing Auto program.
	✎✎ Many HD channels are up scaled from SD (Standard Definition) contents.
	• Adjust the Cable/Sat box video output resolution to 1080i or 720p.
The picture is distorted: macro block error,	• Compression of video contents may cause picture distortion, especially in fast moving pictures such
small block, dots, pixelization.	as sports and action movies.
	• Low signal level can cause picture distortion. This is not a TV problem.
	• Mobile phones used close to the TV (cca up to 1m) may cause noise in picture on analog and digital
	TV.
Color is wrong or missing.	• If you’re using Component connection, make sure the component cables are connected to the
	correct jacks. Incorrect or loose connections may cause color problems or a blank screen.
There is poor color or brightness.	• Adjust the Picture options in the TV menu. (go to Picture mode / Color / Brightness / Sharpness)
	(p. 15)
	• Adjust Energy Saving option in the Setup menu. (go to MENU - Picture - Eco Solution -
	Energy Saving) (p. 15)
	• Try resetting the picture to view the default picture settings. (go to MENU - Picture - Picture Reset)
	(p. 20)
There is a dotted line on the edge of the	• If the picture size is set to Screen Fit, change it to 16:9 (p. 16).
screen.	• Change cable/satellite box resolution.
The picture is black and white.	• If you are using an AV composite input, connect the video cable (yellow) to the Green jack of
	component input 1 on the TV.
When changing channels, the picture	• If connected to a cable box, please try to reset it. (reconnect the AC cord and wait until the cable box
freezes or is distorted or delayed.	reboots. It may take up to 20 minutes)
	• Set the output resolution of the cable box to 1080i or 720p.
3D
The 3D Active Glasses may not work	• If there is a problem, keep other electronic devices as far away as possible from the 3D Active
properly if there is any other 3D product	Glasses.
or electronic devices turned on near the
glasses or TV.
You may notice a small amount of screen	• If so, dim the light or turn the lamp off.
flickering when watching 3D images in
poor light conditions (from a strobe light,
etc.), or under a fluorescent lamp (50Hz ~
60Hz) or 3 wavelength lamp.
The ideal viewing distance should be three	• We recommend sitting with viewer's eyes on a level with the screen.
times or more the height of the screen.
If you leave 3D glasses on, battery lifespan	• Turn off 3D glasses while not using them.
is shortened.

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