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Samsung LW22N23N Manual

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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.
Normal picture but no sound.
No picture or black and white picture.
Sound and picture interference.
Blurred or snowy picture,
distorted sound.
Remote control malfunctions.
“Check Signal Cable” message is
displayed.
In PC mode, “Not Supported Mode”
message is displayed.
In PC mode, horizontal or vertical bars
appear to flicker, jitter or shimmer
on the image.
In PC mode, the screen is black and the
power indicator light is steady amber or
blinks every 0.5 or 1 seconds.
◆ Check that the mains lead has been connected to a wall socket.
◆ Check that you have pressed the POWER button.
◆ Check the picture contrast and brightness settings.
◆ Check the volume.
◆ Check the volume.
◆ Check whether the MUTE button has been pressed on the
remote control.
◆ Adjust the colour settings.
◆ Check that the broadcast system selected is correct.
◆ Try to identify the electrical appliance that is affecting the set
and move it further away.
◆ Plug your set into a different mains socket.
◆ Check the direction, location and connections of your aerial.
This interference is often due to the use of an indoor aerial.
◆ Replace the remote control batteries.
◆ Clean the upper edge of the remote control (transmission window).
◆ Check the battery terminals.
◆ Check that the signal cable is firmly connected to the PC.
◆ Check that the PC is turned on.
◆ Check the maximum resolution and the frequency of the
video Adapter.
◆ Compare these values with the data in the Display Modes Timing
Chart.
◆ Adjust the Coarse or Fine function.
◆ The TV is using its power management system.
◆ Move the computer’s mouse or press a key on the keyboard.
04-BN68-00574C-00Eng.qxd 2/23/04 10:46 PM Page 58
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