Troubleshooting - Samsung LN46C750 User Manual

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 samsung,com, then click on Support, or call Samsung customer service at 1-800-SAMSUNG.
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.
• If you have an analog cabb/satellite box, upgrade to a digital set top box. Use HDMI or
Component cables to deB!er HD (high definition) picture quality.
• Cabb/Satellite subscribers: Try HD stations from the channel line up.
• Air/Cabb Antenna connection: Try HD stations after performing Auto program.
'_bs Many HD channels are upscabd from SD(Standard Definition) contents.
• Adjust the Cabb/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.
,, If you're using a 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) (R 15)
,, Adjust Energy Saving option in the TV menu (go to MENU - Picture- ECO Solution - Energy
Saving) (R 15)
,, Try resetting the picture to view the default picture setting.
(go to MENU - Picture - Picture Reset) (R 20)
,, If the picture size is set to Screen Fit, change it to 16:9.
,, Change cabb/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 T_
,, 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 cable box to 1080i or 720p.
There is no sound or the sound is too • Please check the volume the of device (CabldSat Box, DVD, Blu-ray etc) connected to your TV.
low at maximum volume.
The picture is good but there is no
sound.
The speakers are making an
inappropriate noise.
,, Set the Speaker Select option to rv speaker in the sound menu. (R 21)
,, 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. Los! signal level may cause
sound distortion.
,, Perform the Sound Test as explained above.
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