Samsung LH48DHDPLGC/EN, LH55DHDPLGC/EN, LH40DHDPLGC/EN Troubleshooting Guide, Testing the Product

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Troubleshooting Guide

Before calling Samsung Customer Service Centre, test your product as follows. If the problem persists, contact Samsung Customer Service Centre.

If the screen remains blank, check the PC system, video controller and cable.

Requirements Before Contacting Samsung Customer Service Centre

Testing the Product

Check if your product is operating normally by using the product test function.

If the screen remains blank while the power LED blinks even when the product is correctly connected to a PC, perform product testing.

1	Power off both the PC and product.
2	Disconnect all the cables from the product.
3	Power on the product.
4	If No Signal is displayed, the product is operating normally.

Checking the Resolution and Frequency

Not Optimum Mode will briefly be displayed if a mode that exceeds a supported resolution is selected (refer to Supported Resolutions).

Image 155

Contents LFD Display Table of contents Support Copyright Before Using the ProductPower off the product and computer Safety PrecautionsCleaning SymbolsStorage Electricity and SafetyInstallation Samsung Operation Product failure, an electric shock or fire may result Output ports, etcPage Components Remote Control SUB cable RS232CIN adapterPreparations Checking the ComponentsBox Items sold separatelyButtons Description PartsControl Panel Panel KeyReturn Power offReturn Control menuRJ45 Reverse SidePort Description To lock an anti-theft locking device Anti-theft LockGo to Home Launch Button Remote ControlPower on the product Adjust the volume Change the input sourceQuickly select frequently used functions To place batteries in the remote controlUsing the remote control Used in Anynet+ mode and multimedia modeConnection Using an IR Stereo Cable sold separately Ventilation Installation on a Perpendicular WallTilting Angle and Rotation Model name DimensionsInstallation on an Indented Wall Plane viewUsing the COVER-JACK Wall Mount Kit Specifications Vesa Installing the Wall MountInstalling the Wall Mount 200 RS232C Cable Remote Control RS232CPin Signal Cable ConnectionFemale Pin No Standard Colour SignalRS232C cable Connector 9-Pin D-Sub to Stereo Cable LAN CableCross LAN cable PC to PC Connector RJ45Signal Direct LAN cable PC to HUBConnection ConnectionCommand type Value range Viewing control state Get control commandControlling Set control command CommandVolume control Power controlInput Source An input source code to be set on a product Setting the input source Set Input SourceInput source control Screen mode control PIP On/Off control Auto adjustment control PC and BNC onlyFull Natural Video Wall Mode ControlSafety Lock Set Video Wall Video Wall OnSet Video Wall On/Off WallOn Same as above NakOff 10x10 Video Wall ModelSet Number 10x10 Video Wall Model 1 ~Connection using the D-SUB cable Analogue type Connecting and Using a Source DeviceBefore Connecting Connecting to a PCConnection Using an HDMI-DVI Cable Connection using a DVI cable Digital typePrecautions for using DP Connection Using an Hdmi CableConnection Using an DP Cable Connection Using the component Cable Connecting to a Video DeviceConnection Using the AV Cable Using an Hdmi cable or Hdmi to DVI Cable up to 1080p Connecting the LAN Cable Connecting to an Audio SystemMagicInfo Connecting the network box Sold separatelyEntering MagicInfo mode Press Source on the remote control, and select MagicInfoBackB NextN Finish Cancel Apply Unfasten the highlighted screws, and then Plug In ModuleAttaching the PIM Sold separately Information Changing the Input sourceSource Edit NameUninstallation Using MDCMonitor Computer Connecting to MDCUsing MDC via RS-232C serial data communications standards Connection using a direct LAN cable Using MDC via EthernetConnection using a cross LAN cable Schedule Template Home featurePlayer PlayerApproving a connected device from the server To specify the group Setting the current timeMy Templates Network ChannelLocal Channel Deployed FoldersOption Name Operations Available features in the PlayerMenu items in the Player Set Aspect Ratio to either Original or Full Full / Original Player page Settings menuSettings SettingsCH Name Name of the channel currently playing When Content is RunningViewing the details of the content that is running Repeat Picture ModePlaylist MusicTemplate files and LFD.lfd files File Formats Compatible with PlayerNetwork Schedule Multiframe Contents Image Video AudioFunctions not supported Flash Power PointCharts Vertical text Masked Image, Tiled Image content not supportedCompatible document file formats -- Extension .lfd Template filesCreation/editing/playback are only available Template Supported in Network Channel and LocalVideo File Formats Compatible with Video WallNot available RestrictionsOnly one video Videos file can be played per client AvailableType Available features in the ScheduleSchedule Menu items in the ScheduleEditing a channel schedule Configuring channel schedulesMarket Available features in the TemplateTemplate Home → Template → Enter ESelect the Edit Text window to enter text Configuring the background image/background musicEntering text Preview Save CancelConfigure Template Name and Storage Message appears Clone ProductClone Product Home → Clone Product → Enter EPC Connection Cable ID SettingsID Settings Device IDHome → Video Wall → Enter E Video WallApply to Video WallFormat Video WallHorizontal x Vertical Screen PositionHome → Network Status → Enter E Network StatusNetwork Status Check the current network and Internet connectionPicture Mode Picture ModeHome → On/Off Timer → Enter E On/Off TimerOn Timer On/Off TimerHoliday Management Off TimerTicker More settingsMore settings Home → More settings → Enter EHome → URL Launcher → Enter E URL LauncherPicture Screen AdjustmentMenu m → Picture → Picture Mode → Enter E Menu m → Picture → Enter E Picture Mode Picture Mode settings Adjustable optionsMenu m → Picture → Colour Temperature → Enter E Colour TemperatureMenu m → Picture → White Balance → Enter E White BalancePoint Menu m → Picture → Calibrated value → Enter E ――If Picture Mode is set to Calibration, Gamma is disabledGamma Calibrated valueAdvanced Settings Advanced SettingsFlesh Tone RGB Only ModeDynamic Contrast Black TonePicture Options Digital Clean View Off Mpeg Noise Filter Hdmi Black LevelFilm Mode Off Dynamic Backlight Picture OptionsOff / Cool / Standard / Warm Digital Clean ViewColour Tone Mpeg Noise FilterDynamic Backlight Film ModeColour Tone Off Digital Clean View Mpeg Noise Filter Hdmi Black LevelPicture Size · Position ResolutionPicture Size Picture SizePicture Size PositionZoom/Position Available resolutions Off / 1024x768 / 1280x768 / 1360x768 ResolutionPC Screen Adjustment Auto AdjustmentPicture Off Reset PictureMenu m → Picture → Reset Picture → Enter E Resets your current picture mode to its default settingsMain picture Sub picture PIP SettingsOnScreen Display OnScreen Display――In double , , , mode, you cannot select Position Aspect Ratio Rotate ContentRotation Rotate menuScreen Protection Screen ProtectionAuto Protection Time Screen Burn ProtectionImmediate display TimerScreen Burn Protection Pixel ShiftMDC Message No Signal MessageMessage Display Source InfoMenu m → OnScreen Display → Menu Transparency → Enter E Menu LanguageOnScreen Display High / Medium / LowMenu m → OnScreen Display → Reset OnScreen Display → Enter E Reset OnScreen DisplaySound Sound AdjustmentSound Mode Equaliser Sound EffectVirtual Surround Dialog ClarityMenu m → Sound → Sound on Video Call → Enter E Hdmi SoundSound on Video Call Menu m → Sound → Hdmi Sound → Enter ETV Sound Output Speaker SettingsAuto Volume Menu m → Sound → Reset Sound → Enter E Reset SoundNetwork Type Network SettingsNetwork Settings NetworkConnecting to a Wired Network Network Settings WiredSet Network Type to Wired from the Network Settings Automatic Network Settings WiredManual Network Settings Wired Set Network Type to Wireless from the Network Settings Network Setting WirelessConnecting to a Wireless Network Automatic Network Setup WirelessManual Network Setup Wireless Select WPSPBC, press E, and then press E again How to set up using WpspbcIf your router has a Wpspbc button, follow these steps MENUm → Network → Multimedia Device Settings → Entere Wi-Fi DirectMultimedia Device Settings MENUm → Network → Wi-Fi Direct → EntereScreen Mirroring Server Network SettingsMENUm → Network → Device Name → Entere Device NameSystem SetupInitial settings System SystemMenu m → System → Touch Control → Enter E Admin Menu LockConfigure touch control related features Touch ControlClock Set Sleep TimerPower On Delay TimePrimary Source Auto Source SwitchingAuto Source Switching Primary Source RecoveryMax. Power Saving Power ControlAuto Power On PC module powerNetwork Standby Power ButtonAuto Power On Off PC module power Max. Power Saving Standby ControlEco Sensor Eco SolutionEco Solution Energy SavingEnergy Saving Off Eco Sensor Screen Lamp Schedule Temperature ControlNo Signal Power Off Auto Power OffSelect Keyboard Keyboard SettingsDevice Manager Device ManagerMouse Options Mouse SettingsKeyboard Settings Select MousePointer Speed Pointer SettingsKeyboard Settings Mouse Settings Pointer SizeMenu m → System → Change PIN → Enter E Play viaChange PIN Menu m → System → Play via → Enter EGeneral GeneralSecurity BD WiseAnynet+ Menu Description Hdmi Hot Plug DivX Video On Demand Game ModeAnynet+ HDMI-CEC Anynet+ HDMI-CECSearch for Devices Anynet+ HDMI-CECAuto Turn Off Search for DevicesAnynet+ device ... appears on Troubleshooting for Anynet+Problem Possible Solution Off and on againPossible Solution ProblemDivX Video On Demand Game ModeDivX Video On Demand Game Mode Hdmi Hot PlugMenu m → System → Reset System → Enter E Reset SystemSupport Software UpdateUpdate now Auto updateGo to Home Network Status Picture ModeOn/Off Timer More settingsSupport Reset AllMenu m→ Support → Reset All → Enter E USB HDD greater than 2TB is not supported Playing photos, videos and music Media PlayFile system and formats Compatible devices with media playTurn on your product Using a USB deviceConnecting a USB device Removing a USB deviceApproving a PC/mobile device connection Playing media content from a PC/mobile deviceFilter Features provided in the media content listWhen connected to a home network Dlna Source → Source → USBOption Name Operations Photos Videos Music Menu items in the media content listAvailable buttons and features during photo playback Audio Language Rewind / Fast ForwardSelect Scene Picture SizeShuffle Available buttons and features during music playbackEnable or disable shuffle playback mode Change the Sound ModeSubtitle Supported image resolutionsFile Extension Type Resolution Supported Subtitle and Media play file formatsVideo Decoder Supported music file formatsSupported Video Formats File Extension Type Codec CommentsAsf AviDivX 3.11 / 4.x / 5.x 1920 x ~30 MkvChecking the Resolution and Frequency Troubleshooting GuideTesting the Product Check the followings Installation issue PC modeScreen issue Not Optimum Mode is displayedAdjust Brightness and Contrast Sharpness Sound issueVideo is available but there is no sound Volume is too lowGo to Sound and change Speaker Settings to Internal There is audible sound when the volume is mutedThere is an echo sound coming from the speakers Remote control issueSource device issue Remote control does not workPIP menu is not available Other issueThere is no sound in Hdmi mode IR sensor is not functioning PC display settings cannot be savedDisplay output settings again. Ensure the set is turned on When booting the PC with the input source set toHow can I change the frequency? Monitor SettingsHow can I change the resolution? Question AnswerQuestion How do I set powersaving mode?Specifications Page Without PIM PowerSaverNormal Operation Power saving mode Power off PowerSaverPixel Clock Sync Polarity KHz MHz Preset Timing ModesModel Name DH40D / DH48D / DH55D Resolution Others Product damage caused by customers faultAppendix Not a product defectApplicable in countries with separate collection systems Correct disposal of batteries in this productPrevention of Afterimage Burn-in What is afterimage burn-in?Optimum Picture Quality and Afterimage Burn-in Prevention Optimum Picture QualityOn instruction guide Preventing afterimage burn-inLicence 480i / 480p / 720p Terminology

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LH40DHDPLGC/XY, LH55DHDPLGC/UE, LH48DHDPLGC/NG, LH48DHDPLGC/UE, LH55DHDPLGC/NG specifications

The Samsung LH series displays, including the LH40DHDPLGC/UE, LH55DHDPLGC/NG, LH48DHDPLGC/UE, LH48DHDPLGC/NG, and LH55DHDPLGC/UE, exemplify cutting-edge technology tailored for various commercial applications. Designed for digital signage and corporate environments, these models are equipped with impressive display features, connectivity options, and robustness that cater to diverse operational requirements.

These Samsung displays utilize advanced LED technology, ensuring high brightness levels and excellent color reproduction. The vibrant visuals deliver sharp images and clear text, making them ideal for engaging audiences in retail, transportation, and educational settings. The impressive resolution across these models guarantees detailed content presentation, captivating viewers from different angles.

Key features of the LH series include a slim profile and sleek design, allowing for seamless integration into various setups without occupying much space. Their adaptability is further enhanced by the ability to be mounted in multiple orientations, whether landscape or portrait, providing flexibility in placement and ensuring optimal visibility in different environments.

Equipped with Samsung's proprietary MagicINFO software, these displays offer robust content management capabilities. Users can easily create, schedule, and manage content remotely, facilitating hassle-free updates and engaging multimedia displays. This feature is particularly beneficial for businesses needing to display dynamic advertising content, announcements, or information.

In terms of connectivity, these models come with multiple input options, including HDMI, USB, and DisplayPort, promoting compatibility with a wide range of devices. Additionally, the displays support daisy chaining of signals, simplifying multi-display setups and enhancing workflows where several screens are used in tandem.

The reliability of the Samsung LH series is underscored by their built-in heat management technology, ensuring optimal performance even in demanding environments. They are designed for 24/7 operation, making them well-suited for continuous usage in scenarios such as control rooms or digital signage in busy public venues.

Overall, the Samsung LH40DHDPLGC/UE, LH55DHDPLGC/NG, LH48DHDPLGC/UE, LH48DHDPLGC/NG, and LH55DHDPLGC/UE displays stand out due to their exceptional visual quality, versatile functionality, and robust reliability, making them invaluable assets in enhancing communication and engagement across various industries.