Samsung LA22N21B manual Troubleshooting Before Contacting Service Personnel

Page 57

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.
	◆ 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 displayed.◆ Check that the signal cable is firmly connected to the PC.

◆Check that the PC is turned on.

In PC mode, “Not supported Mode” message is displayed.

◆Check the maximum resolution and the frequency of the video Adapter.

◆Compare these values with the data in the Display Modes. (Refer to page 57)

In PC mode, horizontal or vertical bars	◆ Adjust the Coarse or Fine function. (Refer to page 41)
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 second.

◆The TV is using its power management system.

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

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Image 57

Contents LCD TV LCD TV Still image may cause permanent damage to the TV screen Precautions When Displaying a Still ImagePage Contents Symbols Source Viewing the Control PanelViewing the Connection Panel Connecting a Computer Connecting a Set-Top Box, VCR or DVDConnecting External A/V Devices Connecting HeadphonesUsing the Anti-Theft Kensington Lock Viewing Pictures From External Sources If remote control doesn’t work Inserting the Batteries in the Remote ControlAll Functions Except Teletext Viewing the Remote ControlTeletext Functions Switching On and Off Placing in Standby ModeMains lead is attached to the rear of your set Button Viewing Function Becoming Familiar with the Remote ControlCheck antenna input. menu is displayed with the OK selected Plug & PlayIf you want to reset this feature Selecting TV Mode or an Input SourceEditing an Input Source Name Choosing Your LanguageAV S-Video Component 1 Component 2 PC/DVI Storing Channels Automatically Storing Channels Manually Auto PAL Secam NT 4.43 NTBG DK I M Channel mode Editing the Channels Sorting the Stored Channels You can exchange the numbers of two channels, in order toResult The current Prog. No, Channel and Name are displayed Then Giving Channels NamesFine Tuning Channel Reception Dynamic Standard Movie Custom Changing the Picture StandardAdjusting the Custom Picture DNIe Digital Natural Image engine Adjusting the Screen Background ColourCool 2 Cool 1 Normal Warm 1 Warm DNIe On DNIe Off DNIe DemoSelecting the Picture Size Freezing the Current PictureWide Panorama Zoom 1 Zoom 2 Viewing the Picture In Picture PIP MAINComponent 1/Component 2/PC/DVI, Piptv Size button PIP SettingsDirectly Button after changing the sub pictureStandard Music Movie Speech Custom Changing the Sound StandardAdjusting the Custom Sound Selecting WOW Surround Select On/Off with SRS button on the remote control as wellSelecting the Sound Mode Selecting Auto Volume ControlAudio Type Dual 1/2 Default ChangeAdjusting Your Headphone Preferences Selecting a Sound Mode for the Sub-Screen Setting the Clock Switching Off Automatically Volume Set Hour, min, am/pm, Prog. No PressMove to Hour, min, am/pm, Prog. No Displaying Information Setting the Blue Screen Mode1280 X 720 pixels Setting Up Your PC Software Based on Windows XPCoarse and Fine Tuning of the Image Changing the Image Position Initializing the Image Settings Button to select DVI-Analog or DVI-Digital Selecting the DVI modeAdjusting the PC Screen Automatically Picture Mode Custom Mode1 Mode2 Mode3 Customizing the colour This information is divided into numbered pages see diagram Teletext FeatureYou can display Teletext information at any time on your set Displaying the Teletext InformationUsing the various display options Selecting a Page by NumberTo display Press Using Flof to Select a Storing Teletext Pages Troubleshooting Before Contacting Service Personnel Power Saver Troubleshooting Before Contacting Service PersonnelHorizontal frequency Vertical frequencyTechnical and Environmental Specifications Vesa Display ModesRetractable Stand Using the Anti-Theft Kensington LockHow to connect the cables and stand base Setting Up Your Remote Control Setting Up the Remote to Operate Your Cable Box Setting Up the Remote to Operate Your DVD VCR Codes Cable Box CodesDVD Codes Memo Electronics