Troubleshooting: Before Contacting Service Personnel - Samsung LE22A455 User Manual

troubleshooting: Before Contacting Service Personnel

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, 'Mode Not
Supported' 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.
The TFT LCD panel uses a panel consisting of sub pixels (5 292 000) 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
 Check the picture contrast and brightness settings.
 Check the volume.
 Check the volume.
 Check whether the MUtE
 Check if "TV Speaker" is on.
 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 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.
If "Just Scan" 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.
English - 
button on your set.
button has been pressed on the remote control.