Samsung LTM 225W manual Problem Possible Solution

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10.CHAPTER6_EN 2/5/03 12:35 AM Page 2

T R O U B L E S H O O T I N G

Problem	Possible Solution
“Not Supported Mode!”	Check the maximum resolution and the frequency of
message.	the video Adapter.
	Compare these values with the data in the Display
	Modes Timing Chart.

The image is too light or too	Adjust the Brightness and Contrast.
dark.	Adjust the Fine function.

Horizontal bars appear to	Adjust the Coarse function and then adjust the Fine
flicker, jitter or shimmer on the function.
image.

Vertical bars appear to flicker,	The TV is using its power management system.

jitter or shimmer on the image. Move the computer’s mouse or press a key on the

	keyboard.
Screen is black and power	Check that the display resolution and frequency from
indicator light blinks steadily.	your PC or video board is an available mode for your
	TV. On your computer check: Control Panel, Display,
	Settings.

Image is not stable and may	If the setting is not correct, use your computer utility
appear to vibrate.	program to change the display settings.
	NOTE: Your TV supports multiscan display functions
	within the following frequency domain:
	• Horizontal frequency:	30 kHz ~ 61 kHz
	• Vertical frequency:	60 Hz ~ 75 Hz
	• Maximum refresh rate:	1280 x 720 @ 60 Hz

Image is not centered on the	Adjust the horizontal and vertical position.
screen.

6.2 CHAPTER SIX: TROUBLESHOOTING

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Contents Owner’s Instructions Inside Front Coveren 2/4/03 1144 PM Thank You for Choosing Samsung Prefaceen 2/4/03 1144 PM Prefaceen 2/4/03 1144 PM FCC Information Installation Your New TVOperation Special Features TroubleshootingPC Display List of Features List of PartsFamiliarizing Yourself with The TV Super Video in jack Rear Panel JacksVIDEO/AUDIO in jack Headphone jackVOL +, VOL Remote ControlFrequently Used Buttons Number buttonsPIP controls Menu adjustment and Video or DVD adjustment buttonConvenient Buttons +100 Multichannel Television StereoConnecting VHF and UHF Antennas Antennas with 300-ohm Flat Twin LeadsSeparate VHF and UHF Antennas Connecting Cable TVAntennas with 75-ohm Round Leads Cable without a Cable BoxConnecting to a Cable Box that Descrambles All Channels Connecting to a Cable Box that Descrambles Some ChannelsS TA L L AT I O N Connecting a VCR Connecting an S-VHS VCR Connecting a DVD Player Connecting a Digital TV Set-Top BoxConnecting a PC SUBConnecting to a Sub-woofer Installing Batteries in the Remote ControlPlug & Play Feature Turning the TV On and OffIf you want to reset this feature Viewing the Menus and On-Screen Displays Viewing the MenusViewing the Display Selecting a Menu Language Selecting the Video Signal-source Memorizing the ChannelsStoring Channels in Memory Automatic Method Using the Pre-CH Button to select the Previous Channel Using the Channel ButtonsDirectly Accessing Channels Changing ChannelsAdjusting the Volume Using MuteSetting the Clock UP/DOWNCustomizing the Picture Using Automatic Picture Settings Alternate methodCustomizing the Sound Using Automatic Sound Settings Viewing a VCR or Camcorder Tape Setting Up Your Remote Control Chapter FourSetting Up the Remote to Operate Your Cable Box Setting Up the Remote to Operate Your DVD Remote Control Codes Fine Tuning Channels LNA Low Noise Amplifier Setting the Blue Screen Mode Changing the Screen Size Freezing the PictureSpecial Sound Options Choosing a Multi-Channel Sound MTS SoundtrackAuto Volume Virtual Dolby Adjusting the Headphone Sound You can select either Main or Sub when PIP is On Selecting the SoundSetting the On/Off Timer What is Absent Power Off? Viewing Closed Captions LEFT/RIGHT buttons to select Caption or TextPIP Settings Viewing Picture-in-PictureActivating Picture-in-Picture Changing the PIP Channel Selecting a Signal Source External A/V for PIPSwapping the Contents of the PIP image and Main image Changing the Location of the PIP WindowUsing the V-Chip Setting Up Your Personal ID Number PINHow to Enable/Disable the V-Chip How to Set up Restrictions Using the TV guidelinesTV-Y E C I a L F E AT U R E S NC-17No children under age Adults only NR Not rated Using Your TV as a Computer PC Display How to Set up Your PC Software Windows onlyAdjusting the Screen Quality Adjusting CoarseChanging the Screen Position Changing the Screen Color Standard To Return the Custom settings back to the default position Adjusting the Screen Color SettingsIdentifying Problems Chapter SixProblem Possible Solution Clock Sync Polarity Mode Resolution Frequency KHz MHz Display ModesInstalling Vesa compliant mounting devices Refer to page A.3 to remove the baseMaintenance of Your LCD TV Attaching a Wall or Arm mounting deviceUsing the Anti-Theft Kensington Lock OptionalCleaning and Maintaining Your TV Using Your TV in Another CountryPin Assignments Specifications LTM225W