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Troubleshooting - Samsung PC490-ZC User Manual

Series 4+ 490 plasma tv.
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Other Information
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 "," then click on Support, or call Samsung customer service at 1-800-SAMSUNG.
Poor picture
The TV image does not look as good as it
did in the store.
The picture is distorted: macro block error,
small block, dots, pixelization.
Color is wrong or missing.
There is poor color or brightness.
There is a dotted line on the edge of the
The picture is black and white.
When changing channels, the picture
freezes or is distorted or delayed.
The 3D Active Glasses may not work
properly if there is any other 3D product
or electronic devices turned on near the
glasses or TV.
You may notice a small amount of screen
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
times or more the height of the screen.
If you leave 3D glasses on, battery lifespan
is shortened.


Solutions and Explanations
First of all, please perform the Picture Test and confirm that your TV is properly displaying the test image.
(go to
- 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.
If you have an analog cable/satellite box, upgrade to an HD digital set top box. Use HDMI or
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.
Compression of video contents may cause picture distortion, especially in fast moving pictures such
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
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.
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
Energy Saving) (p. 15)
Try resetting the picture to view the default picture settings. (go to
(p. 20)
If the picture size is set to Screen Fit, change it to 16:9 (p. 16).
Change cable/satellite box resolution.
If you are using an AV composite input, connect the video cable (yellow) to the Green jack of
component input 1 on the TV.
If connected to a cable box, please try to reset it. (reconnect the AC cord and wait until the cable box
reboots. It may take up to 20 minutes)
Set the output resolution of the cable box to 1080i or 720p.
If there is a problem, keep other electronic devices as far away as possible from the 3D Active
If so, dim the light or turn the lamp off.
We recommend sitting with viewer's eyes on a level with the screen.
Turn off 3D glasses while not using them.
- Picture - Eco Solution -
- Picture - Picture Reset)



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