Samsung LN46B500, LN40B500 user manual Appendix, Troubleshooting

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, visit samsung.com, then click on Support or call Samsung customer service at 1-800-SAMSUNG.

Problem	Solution
	First of all, please perform the Picture Test to confirm that your TV is properly displaying
Poor picture	test image.
	● Go to MENU - Support - Self Diagnosis - Picture Test
	If the test image is properly displayed, the poor picture may caused by the source or signal.
TV image does not look as good	● If you have an analog Cable/Satellite Box, upgrade to an HD Box Use HDMI or
as it did in the store.	Component cables to deliver HD picture quality.
	● Cable/Satellite subscriber : Try HD(High Definition) stations from channel line up.
	● Air/Cable Antenna connection : Try HD stations after performing Auto program.
	N Many HD channels are upscaled from SD(Standard Definition) contents.
	● Adjust Cable/Sat box video output resolution to 1080i or 720p.
Picture is distorted: macroblock,	● Compression of video contents may cause picture distortion especially on fast moving
small block, dots, pixelization.	pictures such as sports and action movies.
	● Low signal level can cause picture distortion. This is not a TV problem.
Wrong or missing color with	● Make sure the Component cables are connected to the correct jacks. Incorrect or loose
Component connection.	connections may cause color problems or the screen will be blank.
Poor color or brightness.	● Adjust Picture options in the TV menu. (Picture mode, Color, Brightness,
	Sharpness)
	● Adjust Energy Saving option in Setup menu.
	● Try picture reset to view the default picture setting. (Go to MENU - Picture - Picture
	Reset)
Dotted line on the edge of screen.	● If picture size is set to Screen Fit, change to 16:9.
	● Change cable/satellite box resolution.
Picture is black and white with AV	● Connect video cable(Yellow) to Green jack of COMPONENT IN / AV INput 1 of the TV.
(Composite) input only.
Picture freezes or is distorted	● If connected with cable box, please try to reset cable box. (reconnect AC cord and wait
when changing channels or	until cable box reboots. It may take up to 20 minutes)
picture is delayed.	● Set output resolution of cable box to 1080i or 720p.
	First of all, please perform the Sound Test to confirm that your TV audio is properly
Sound Problem	operating.
	● Go to MENU - Support - Self Diagnosis - Sound Test
	If the audio is OK, the sound problem may caused by the source or signal.
No sound or sound is too low at	● Please check the volume of device (Cable/Sat Box, DVD, Blu-ray etc) connected to
maximum volume.	your TV. Then, adjust the TV volume accordingly.
Picture is good but no sound.	● Set the Speaker Select option to TV speaker in the sound menu.
	● Make sure audio cables from an external device are connected to correct audio input
	jacks on the TV.
	● Check connected device’s audio output option. (ex: You may need to change your
	cable box’ audio option to HDMI when you have HDMI connected to your TV.)
	● If you are using a DVI to HDMI cable, a separate audio cable is required.
	● Remove plug from headphone jack. (if available on your TV)
	● Reboot the connected device by reconnecting the device’s power cable.
Noise from speaker.	● Check cable connections. Make sure a video cable is not connected to an audio input.
	● For Antenna/Cable connection, check signal strength. Low signal level may cause
	sound distortion.
	● Perform the Sound Test as explained above.

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