Samsung 4900 Serie Manual Del Usuario página 15

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
samsung.com, then click on Support, or call Samsung customer service.
Issues
Poor picture
The TV image does not look as
good as it did in the store.
The picture is distorted: macroblock
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 screen.
The picture is black and white.
When changing channels, the
picture freezes or is distorted or
delayed.
Sound Problem
There is no sound or the sound is
too low at maximum volume.
The picture is good but there is no
sound.
The speakers are making an
inappropriate noise.
[PF4900-ZL]BN68-04838B-03L02.indb 15
Troubleshooting
Solutions and Explanations
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
If the test image is properly displayed, the poor picture may be caused by the source or
signal.
• If you have an analog Cable/Set top box, upgrade to a 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.
• Air/Cable Antenna connection: Try HD stations after performing Auto program.
✎
Many HD channels are up scaled from SD(Standard Definition) contents.
• Adjust the Cable/Set top 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 (up to 3.3 ft) may cause noise in picture on analog and digital TV.
• 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)
• Adjust Energy Saving option in the TV menu (go to
• Try resetting the picture to view the default picture setting. (go to
• If the picture size is set to Screen Fit, change it to 16:9.
• Change cable/Set top 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 output resolution of the cable box to 1080i or 720p.
• First of all, please perform the Sound Test to confirm that your TV audio is properly operating.
• go to - Support - Self Diagnosis - Sound Test
MENU
• If the audio is OK, the sound problem may be caused by the source or signal.
• Please check the volume of the device (Cable/Sat Box, DVD, Blu-ray etc) connected to your TV.
• Set the Speaker Select option to TV Speaker in the Sound menu.
• If you are using an external device, check the device's audio output option (ex. you may need to change
your cable box's audio option to HDMI when you have a HDMI connected to your TV).
• If you are using a DVI to HDMI cable, a separate audio cable is required.
• Reboot the connected device by reconnecting the device's power cable.
• Check the cable connections. Make sure a video cable is not connected to an audio input.
• For Antenna or Cable connections, check the signal information. Low signal level may cause sound
distortion.
• Perform the Sound Test as explained above.
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MENU - System - Eco Solution - Energy Saving)
- Picture - Reset Picture)
MENU
2013-08-05 5:03:31