Samsung LE40R73BD - Manual (Page 34)

English-32
troubleshooting: Before Contacting Service Personnel
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.
On PC mode, "Not Supported
Mode." message is displayed.
The TFT LCD panel uses a panel consisting of sub pixels (3,33,440) 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.
 Check that the mains lead has been connected to a wall socket.
 Check that you have pressed the buttons on the front of the set.
 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.
 Check if "Internal Mute" is off
 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 or video sources.
 Check that the PC or video sources are turned on.
 Check the maximum resolution and the frequency of the video adaptor.
 Compare these values with the data in the Display Modes.
using the anti-theft Kensington lock
The Kensington lock is a device used to physically fix the system when using it in a public place.
The locking device has to be purchased separately. The appearance and locking method may differ from the illustration
depending on the manufacturer. Please refer to the manual provided with the Kensington lock for proper use.
1. Insert the locking device into the
Kensington slot on the LCD TV
(Figure ), and turn it in the locking
direction (Figure 2).
2. Connect the Kensington lock cable.
3. Fix the Kensington lock to a desk
or a heavy stationary object.
Cable
Figure 
Figure 2
<Optional>
The place of the Kensington Lock may be different depending on its model.
BN68-01007B-00Eng.indd 32 2006-03-21 ¿АИД 4:36:50