Samsung LW26A33W manual Troubleshooting Before Contacting Service Personnel

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Troubleshooting: Before Contacting Service Personnel

Before contacting Samsung after-sales service, perform the following simple checks.

If you cannot solve the problem using the instructions below, note the model and serial number of your set and contact your local dealer.

No sound or picture	Check that the mains lead has been connected to a wall socket.
	Check that you have pressed the POWER ( ) button on the
	right-side of the TV.
	Check the picture contrast and brightness settings.
	Check the volume.
Normal picture but no sound	Check the volume.
	Check whether the MUTE (	) button has been pressed on the
	remote control.
No picture or black and white picture	Adjust the colour settings.
	Check that the broadcast system selected is correct.
Sound and picture interference	Try to identify the electrical appliance that is affecting the set and
	move it further away.
	Plug your set into a different mains socket.
Blurred or snowy picture,	Check the direction, location and connections of your aerial.
distorted sound	This interference is often due to the use of an indoor aerial.
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 is	Check that the signal cable is firmly connected to the PC or video
displayed.	sources.
	Check that the PC or video sources are turned on.
On PC mode, “Not Supported Mode”	Check the maximum resolution and the frequency of the video
message is displayed.	adapter.
	Compare these values with the data in the Display Modes Timing
	Chart.
The image is too light or too dark.	Adjust the Brightness and Contrast.
On PC mode, horizontal bars appear to	Adjust the Fine function.
flicker, jitter or shimmer on the image.
On PC mode, vertical bars appear to	Adjust the Coarse function and then adjust the Fine function.
flicker, jitter or shimmer on the image.
On PC mode, screen is black and	The TV is using its power management system.
power indicator light blinks every 1
	Move the computer’s mouse or press a key on the keyboard.
seconds
On PC mode, image is not stable and	Check that the display resolution and frequency from your
may appear to vibrate.	Computer or video board is an available mode for your set. On your
	Computer check: Control Panel, Display, Settings.
	If the setting is not correct, use your computer utility programme to
	change the display settings.
	Your set supports multiscan display functions within the
	following frequency domain:
	◆Horizontal frequency: 30 ~ 68 kHz
	◆Vertical frequency: 56 ~ 85 Hz
	◆Maximum refresh rate: 1280 X 768@60Hz
On PC mode, image is not centered	Adjust the horizontal and vertical position.
on the screen.

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