Samsung LA52B750U1R, LA46B750U1R Troubleshooting Before Contacting Service Personnel, Problem

¦Troubleshooting: Before Contacting Service Personnel

NBefore contacting service personnel

Problem

No sound or picture

Normal picture but no sound

Screen is black and power indicator light blinks steadily

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 damaged picture appears in the corner of the screen

The ‘Resets all settings to the default values.’ message appears.

You may see small particles if you look closely at the edge of the bezel surrounding the TV screen.

Possible Solution

Check that the mains lead has been connected to a wall socket. Check that you have pressed the button on your set.

Check the picture contrast and brightness settings. Check the volume.

Check the volume.

Check whether the MUTEMbutton has been pressed on the remote control. Check the Speaker Select settings.

On your computer check; Power, Signal Cable. The TV is using its power management system.

Move the computer’s mouse or press any key on the keyboard.

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 fi rmly 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.

If Screen Fit is selected in some external devices, the damaged picture may appear in the corner of the screen. This symptom is caused by external devices, not TV.

This appears when you press and hold the EXIT button for a while. The product settings are reset to the factory defaults.

This is part of the product’s design and is not a defect.

NThis TFT LCD panel uses a panel consisting of sub pixels (6 220 800) 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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