Samsung LH85QMFPLGC/CH, LH85QMFPLGC/EN, LH85QMFPLGC/UE Troubleshooting Guide, Testing the Product

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Chapter 11

Troubleshooting Guide

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

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

Requirements Before Contacting Samsung Customer Service Center

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).

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Contents QM85F Table of contents Screen Adjustment Sound Adjustment Symbol Name Meaning Before Using the ProductSafety Precautions Safety symbolsInsert the power plug all the way in so it is not loose Electricity and SafetyDo not touch the power plug with wet hands Do not connect multiple products to a single power socketDamage to the cable may cause a fire or electric shock InstallationAn increased internal temperature may cause a fire Product may become damaged by an electric shockDo not lay down the product on its front Have a technician install the wall-mount hangerProduct may fall, causing personal injury or product damage Edible oil or oil vapor can damage or deform the productDo not apply an impact to the product OperationUse can result in an electric shock or a fire Ensure the vents are not blocked by tablecloths or curtainsDo not use humidifiers or stoves around the product Insert each battery so that its polarity +, is correctUse the product at the recommended resolution and frequency Do not hang on or climb on the productDamage to your hearing may result Precautions when handling the panelPrecautions Storage and MaintenanceCleaning Cleaning the exterior and displayChecking the Components PreparationsDescription Buttons PartsControl Panel Panel KeyButtons Description ReturnControl menu Port Description Reverse SideTo lock an anti-theft locking device Anti-theft LockMagicInfo Player I Launch Button Remote ControlNumber buttons CH List Not Available Mute the soundReturn to the previous menu To place batteries in the remote controlProduct ID using the number buttons Quickly select frequently used functionsTilting Angle and Rotation Before Installing the Product Installation GuideInstallation on a Perpendicular Wall Installation on an Indented WallWall Mount Kit Specifications Vesa Installing the Wall MountInstalling the Wall Mount RS232C Cable Remote Control RS232CPin Signal Cable ConnectionGnd Pin No Standard Color SignalLAN Cable RS232C 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 Data 10x10 Video Wall Model 1 ~Connection using the D-SUB cable Analog 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 Connecting to a Video Device Using an Hdmi cable or Hdmi to DVI Cable up to 1080p Connecting to an Audio SystemConnecting the LAN Cable Source Changing the Input sourceSource Edit NameUninstallation Using MDCComputer Connecting to MDCUsing MDC via RS-232C serial data communications standards MonitorConnection using a direct LAN cable Using MDC via EthernetConnection using a cross LAN cable Home → Multi Screen → Enter E Home featureMulti Screen Multi ScreenPicture Mode Picture ModeOn/Off Timer On/Off TimerOn Timer Off TimerHoliday Management View the network settings Network SettingsNetwork Settings Home → Network Settings → Enter EHome → MagicInfo Player I → Enter E MagicInfo PlayerMagicInfo Player PC Connection Cable ID SettingsID Settings Device IDVideo Wall Video WallVideo Wall Horizontal x VerticalFormat Screen PositionHome → More settings → Enter E More settingsMore settings Picture settings menu appearsBacklight 100 Brightness Contrast Sharpness Color Tint G/R Screen AdjustmentMenu m → Picture → Picture Mode → Enter E PictureMenu m → Picture → Enter E Picture Mode Picture Mode settings Adjustable optionsMenu m → Picture → White Balance → Enter E Color TemperatureMenu m → Picture → Color Temperature → Enter E White BalanceMenu m → Picture → Calibrated Value → Enter E ――If Picture Mode is set to Calibration, Gamma is disabledGamma Calibrated ValueDigital NR Off Hdmi Black Level Film Mode Off Auto Motion PlusPicture Options Picture OptionsHdmi Black Level Film ModeColor Tone Digital NRDynamic Backlight ResetColor Tone Off Digital NR Hdmi Black Level Low Film Mode Auto Motion PlusPicture Size · Zoom/Position ResolutionPicture Size Picture SizePicture Size ResolutionZoom/Position PC Screen Adjustment Auto AdjustmentPicture Off Reset PictureMenu m → Picture → Reset Picture → Enter E Resets your current picture mode to its default settingsOnScreen Display Reset OnScreen DisplayOnScreen Display Multi ScreenPIP Portrait PIP LandscapePC, HDMI1, HDMI2, DisplayPort1, DisplayPort2, DisplayPort3 RestrictionsMain picture Sub picture Triple Screen Portrait Triple Screen LandscapeFour Screen Portrait Four Screen LandscapeAspect Ratio Source Content OrientationDisplay Orientation Onscreen Menu OrientationScreen Protection Available Settings Optimum SettingsScreen Protection Pixel ShiftTimer Off / Repeat / Interval TimerMessage Display Set the menu language Reset OnScreen DisplayMenu Language Menu m → OnScreen Display → Menu Language → Enter ESystem SetupInitial settings System SystemClock Set Sleep TimerPower On Delay TimeMagicInfo I Source Primary Source Auto Source SwitchingAuto Source Switching Primary Source RecoveryPower Control Power ControlAuto Power On PC Module PowerStandby Control Power ButtonAuto Power On Off PC Module Power Network Standby Off Power ButtonEco Sensor Eco SolutionEco Solution Energy SavingEnergy Saving Off Eco Sensor Screen Lamp Schedule Temperature ControlNo Signal Power Off Auto Power OffMenu m → System → Change PIN → Enter E Change PINGeneral GeneralSecurity Hdmi Hot PlugMenu m → System → Reset System → Enter E Reset SystemSound Sound AdjustmentHdmi Sound Speaker Selection Sound on Video CallMenu m → Sound → Reset Sound → Enter E Reset SoundContact Samsung Software UpdateMenu m → Support → Software Update → Enter E SupportGo to Home Picture ModeOn/Off Timer Network SettingsMore settings ID SettingsSupport Reset AllMenu m → Support → Reset All → Enter E Checking the Resolution and Frequency Troubleshooting GuideTesting the Product Check the followings Installation issue PC modeScreen issue Not Optimum Mode is displayedAdjust Brightness and Contrast Display looks unstable and then freezes Screen display does not look normalBrightness and color do not look normal SharpnessVideo is available but there is no sound Sound issueVolume is too low There is no soundRemote control does not work Remote control issueSource device issue There is audible sound when the volume is mutedMulti Screen menu is not available Other issueThere is no sound in Hdmi mode IR sensor is not functioning This product does not support the HDMI-CEC featureHDMI-CEC does not work Question Answer Model Name Specifications105 Preset Timing Modes Pixel Clock Sync Polarity KHz MHz Resolution108 Not a product defect Responsibility for the Pay Service Cost to CustomersProduct damage caused by customers fault AppendixPrevention of Afterimage Burn-in What is afterimage burn-in? Recommended prevention practicesLicense

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LH85QMFPLGC/XV, LH85QMFPLGC/UE, LH85QMFPLGC/CH, LH85QMFPLGC/EN specifications

The Samsung LH85QMFPLGC/EN is a cutting-edge display solution that redefines visual excellence and meets the needs of modern commercial environments. This impressive 85-inch QLED digital signage display is designed for both indoor and outdoor applications, making it an ideal fit for retail spaces, airports, and corporate environments that require high visibility and reliability.

One of the standout features of the LH85QMFPLGC/EN is its stunning 4K resolution, providing four times the detail of Full HD displays. This ensures that images and videos are presented with crystal-clear clarity and vibrant colors, enhancing the viewer's experience. The display utilizes Quantum Dot technology, which delivers a wider color spectrum and greater brightness levels, resulting in more realistic and immersive visuals.

Another significant aspect of this display is its high brightness capability. With a brightness level of up to 2,500 nits, the LH85QMFPLGC/EN is engineered to perform exceptionally well in brightly lit environments. This level of brightness is particularly beneficial for outdoor applications where sunlight can impact visibility, ensuring that content is always legible and engaging.

The Samsung LH85QMFPLGC/EN is equipped with HDR10+ support, enabling it to dynamically adjust brightness and color based on the content being displayed. This technology enhances the contrast ratio, allowing for deeper blacks and more vibrant highlights, which improves the overall viewing experience.

Furthermore, this display comes with a robust design that adheres to IP56 standards, making it resistant to dust and water. This durability is crucial for outdoor installations where weather conditions can be unpredictable. The display is also built with a cooling system that ensures it operates effectively in varying temperatures, enhancing its reliability over extended periods.

The LH85QMFPLGC/EN is powered by Samsung's MagicINFO software, which allows users to create and manage content seamlessly. This software facilitates easy scheduling, playback, and remote management, making it an efficient tool for businesses looking to deliver dynamic messages to their audience.

With versatile installation options, including wall mounting and the possibility for video wall configurations, the Samsung LH85QMFPLGC/EN adapts to diverse display setups. This flexibility, combined with its advanced features and robust performance, positions the LH85QMFPLGC/EN as a top choice for those seeking a premium digital signage solution. Whether used for advertising, information dissemination, or entertainment, this display undoubtedly elevates any viewing environment.