Troubleshooting - Samsung LN46A630 User Manual

Appendix
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, call Samsung customer service at 1-800-SAMSUNG
Problem
Poor picture.
Poor sound quality.
No picture or sound.
No sound or sound is too low at
maximum volume.
Picture rolls vertically.
The picture quality is defective.
The sound is defective.
The TV operates erratically.
The TV won't turn on.
Remote control malfunctions.
'Check signal cable' message.
'Not Supported Mode' message.
Digital broadcasting screen problem.
The image is too light or too dark.
Black bars on the screen.
Picture has a Red/Green or Pink tint.
Closed Captioning not working.
Snowy picture.
Ghosting on picture.
Horizontal bars appear to flicker, jitter
or shimmer on the image.
Vertical bars appear to flicker, jitter or
shimmer on the image.
POssible Solution
Try another channel.
Adjust the antenna.
Check all wire connections.
Try another channel.
Adjust the antenna.
Try another channel.
Press the SOURCE button.
Make sure the TV is plugged in.
Check the antenna connections.
First, check the volume of units connected to your TV (digital broadcasting
receiver, DVD, cable broadcasting receiver, VCR, etc.). Then, adjust the TV
volume accordingly.
Check all wire connections.
Please perform the Picture test in the Self-Diagnostics.
Perform the Sound test of the Self-Diagnostics.
Unplug the TV for 30 seconds, then try operating it again.
Make sure the wall outlet is working.
Replace the remote control batteries.
Clean the upper edge of the remote control (transmission window).
Check the battery terminals.
Ensure that the signal cable is firmly connected to the PC source.
Check the maximum resolution and connected device's Video frequency.
Compare these values with the data in the Display Modes.
Please check the digital signal strength and input antenna.
Adjust the Brightness and Contrast.
Adjust the Fine tuning.
Make sure the broadcast you're receiving is High Definition (HD).
HD channels sometimes broadcast Standard Definition (SD) programming,
which can cause black bars.
Set your cable/satellite box to stretch or widescreen mode to eliminate the bars.
Make sure the Component cables are connected to the correct jacks.
If you are using a Cable/Satellite box, you must set Closed Captioning on the
box, not your TV.
Your cable box may need a firmware upgrade. Please contact your Cable
company.
This is sometimes caused by compatibility issues with your cable box.
Try connecting Component cables instead.
Adjust the Coarse tuning and then adjust the Fine tuning.
Adjust the Coarse tuning and then adjust the Fine tuning.