Samsung 350 user manual Appendix, Troubleshooting, Problem Possible Solution

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 your nearest Samsung service center.

Problem	Possible Solution
Poor picture.	Try another channel. / Adjust the antenna. / Check all wire connections.
Poor sound quality.	Try another channel. / Adjust the antenna.
No picture or sound.	Try another channel. / Press the SOURCE button.
	Make sure the TV is plugged in. / Check the antenna connections.
Picture rolls vertically.	Check all wire connections.
There is a problem with the picture	Run the Picture test in the Self diagnostic menu.
There is a problem with the sound	Run the Sound test in the Self diagnostic menu.
The TV operates erratically.	Unplug the TV for 30 seconds, then try operating it again.
The TV won’t turn on.	Make sure the wall outlet is working.
Remote control malfunctions.	Replace the remote control batteries.
	Clean the upper edge of the remote control (transmission window).
	Check the battery terminals.
‘Check signal cable’ message.	Ensure that the signal cable is firmly connected to the PC source.
‘Not Supported Mode’ message.	Check the maximum resolution and connected device’s Video frequency.
	Compare these values with the data in the Display Modes.
The image is too light or too dark.	Adjust the Brightness and Contrast. / Adjust the Fine tuning.
Black bars on the screen.	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.
Picture has a Red/Green or Pink	Make sure the Component cables are connected to the correct jacks.
tint.
Closed Captioning not working.	If you are using a Cable/Satellite box, you must set Closed Captioning on the box, not
	your TV.
Snowy picture.	Your cable box may need a firmware upgrade. Please contact your Cable company.
Ghosting on picture.	This is sometimes caused by compatibility issues with your cable box.
	Try connecting Component cables instead.
Horizontal bars appear to flicker,	Adjust the Coarse tuning and then adjust the Fine tuning.
jitter or shimmer on the image.
Vertical bars appear to flicker, jitter	Adjust the Coarse tuning and then adjust the Fine tuning.
or shimmer on the image.
Screen is black and power indicator	On your computer check: Power, Signal Cable.
light blinks steadily.	The TV is using its power management system.
	Move the computer's mouse or press any key on the keyboard.
The picture appears distorted in the	If Screen Fit is selected with some external devices, the picture may appear distorted in
corner of the screen.	the corner of the screen. This symptom is caused by the external devices, not TV.
The ‘Resets all settings to the	This appears when you press and hold the EXIT button for a while. The product settings
default values.’ message appears.	are reset to the factory defaults.

NThis TFT LCD panel uses a panel consisting of sub pixels (3 133 440) which require sophisticated technology to produce. However, there may be few bright or dark pixels on the screen. These pixels will have no impact on the performance of the product.

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