Samsung LW20M21C, LW20M22C manual Troubleshooting Before Contacting Service Personnel, Power Saver

Page 49

Troubleshooting: Before Contacting Service Personnel

In PC mode, the image is not stable and may appear to vibrate.

Check that the display resolution and frequency from your computer or video board is an available mode for your set. On your computer check: Control Panel, Display, Settings.

If the setting is not correct, use your computer utility programme to change the display settings.

Your set supports multiscan display functions within the following frequency domain:

15”(LW15M23C)

17”(LW17M24C)/

20”(LW20M21C)

20”(LW20M22C)

17”(LW17M24CU)

 

 

 

Horizontal

30~69

30~80

28~33

28~47

frequency(kHz)

 

 

 

 

Vertical frequency(Hz)

50~75

50~75

50~70

50~75

 

 

 

 

 

Maximum refresh rate

1024X768

1280X1024

640X480

800X600

(at 75Hz)

In PC mode, the image is not centred on

Adjust the horizontal and vertical position.

the screen.

 

TFT LCD panel manufactured by using advanced semiconductor technology with precision of 1ppm(one millionth) above is used for this product. This is not from bad quality and you can use it without uneasiness.

For example, the number of TFT LCD sub pixels: LW15M23C - 2,359,296, LW17M24C/LW17M24CU - 3,932,160, LW20M21C - 921,600, LW20M22C - 1,440,000

Power Saver

This set has a built-in power management system called PowerSaver. This system saves energy by switching your set into a low-power mode when it has not been used for a certain period of time.

The available modes are “On”, “Standby”, “Sleep”, and “Deep Sleep”. PowerSaver operates with a VESA DPMS compliant video card installed in your computer. You use a software utility installed on your computer to set up this feature.

State

Normal Operation

Power-Saving Function mode

(EPA/NUTEK)

 

 

 

 

 

Horizontal Sync

Active

Inactive

 

 

 

Vertical Sync

Active

Inactive

 

 

 

Power Indicator

Off

Red, Blinking (1 sec interval)

 

 

 

Power Consumption

15” 40W, 17” 45W, 20” 55W

Less than 3W

 

 

 

This set automatically returns to normal operation when horizontal and vertical sync are restored.

This occurs when you move the computer’s mouse or press any key on the keyboard.

English-47

Image 49
Contents 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 Headphones Connecting External A/V DevicesKensington Slot Viewing Pictures From External Sources Inserting the Batteries in the Remote Control Viewing the Remote ControlAll Functions Except Teletext LIST/FLOF Viewing the Remote ControlTeletext FunctionsPlacing in Standby Mode Switching On and OffMains lead is attached to the rear of your set Button Viewing Function Becoming Familiar with the Remote ControlPlug & Play On the remote controlIf you want to reset this feature Selecting TV Mode or an Input Source Editing an Input Source Name Choosing Your Language Storing Channels Automatically BG DK I L Storing Channels ManuallyEnglish-21 Editing the Channels You can exchange the numbers of two channels, in order to Sorting the Stored ChannelsThen Giving Channels NamesDynamic Standard Movie Custom Changing the Picture StandardSelect the option Contrast , Brightness, Sharpness , Colour Adjusting the Custom PictureCool 2 Cool 1 Normal Warm 1 Warm Adjusting the Screen Background ColourStandard Speech Changing the Sound StandardReduces the differences in volume level between broadcasters Selecting Auto Volume ControlSetting the Clock Off, 30, 60, 90, 120, 150, 180 minutes Switching Off AutomaticallyVolume level You can set the On/Off timers so that the set willPress Set Hour, Minute, ChannelInfo button on the remote control Setting the Blue Screen ModeDisplaying Information This information is divided into numbered pages see diagram Teletext FeaturePress the TV Displaying the Teletext InformationSelecting a Page by Number Using the various display optionsTo display Press Storing Teletext Pages Using Flof to Select aRefer to page 47 Setting Up Your PC Software Based on Windows XPCoarse and Fine Tuning of the Image Changing the Image Position Result The message Image Reset has completed. is displayed Initializing the Image SettingsAdjusting the PC Screen Automatically Entertain Internet Text Custom Picture ModeCool Normal Warm Custom Customizing the Colour Troubleshooting Before Contacting Service Personnel Power Saver Troubleshooting Before Contacting Service PersonnelLW20M21C LW20M22C Panel Technical and Environmental SpecificationsClock Sync Polarity ModePC Display ModesFrequency KHz MHz Retractable Stand Using Your TV in Another CountryInstalling Vesa compliant mounting devices Using the Anti-Theft Kensington LockMounting pad How to assemble the Wall Mount Kit Installing the Wall Mount Kit LW15M23C/LW17M24C/LW17M24CUComponents How to adjust an angle Installing the Wall Mount Kit LW20M21C/LW20M22C How to hang monitor up on a hook Memo After Sales Service