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ThinkVision LT2423 24-inch FHD LED Backlit LCD Monitor - Overview and Service Parts

Features and specifications

Enjoy amazing value and uncompromising performance with ThinkVision LT2423 24-inch FHD LED Backlit LCD Monitor (60A8-KAR2-WW). This monitor offers a brilliant and responsive 24-inch Full HD display which can maximize your viewing experience whether for work or play.

Its minimalistic design along with Tiny PC mounting support allow for a cleaner and a more simplified workspace to increase productivity. LT2423 also sports a powerful stereo speaker which delivers incredible sound quality. In addition, it adopts the latest green standards, meeting Energy Star 6.0, TUV Green Mark, EPEAT Gold, TCO Display 6.0, TCO Certified Edge 1.2, and UL Environment Gold; on top of this, it boasts lower energy consumption and lesser environmental impact.

Features and Benefit:

  • 24-inch FHD LED backlit LCD panel
  • 1920 x 1080 resolution
  • Two 3W stereo speakers
  • VGA, HDMI1.4 connections
  • Supports Lenovo Tiny PC and 3rd party thin client via VESA mount
  • Arsenic free / Pb free / Mercury free
  • Energy Star 6.0, EPEAT Gold, ULE Gold, TCO Displays 6.0, TCO Edge 1.2, TUV Green Mark, RoHs, 85% PCC plastic resins, China Energy Label Tier 1


Panel Size 24" Wide
Screen Dimensions (W x H, mm) 531.36 x 298.89 mm
Panel Type (TN, IPS) TN
Backlight (WLED,CCFL) WLED
Aspect Ratio 16:9
Resolution 1920 x 1080
Viewable Area*(diagonally measured, inch/mm) 24-inch / 609.6 mm
Pixel Pitch (mm) 0.278 mm
Dot/Pixel Per Inch (DPI/PPI) 91.8
Viewing angle (H x V @ CR 10:1) 170 x 160
Response Time (Typical) 5 ms
Maximum Brightness (typical) 250cd/m2
Contrast Ratio (typical) 1000:1
Color Gamut (NTSC CIE 1931) 72%
Color Gamut (NTSC CIE 1976) 86%
Color Support (Typical) 16.7M
Processor LUT

8-bit / 6-bit

Preset / User Modes 24 / 20
Video Input Signals VGA + HDMI1.4
Video Cables Supplied VGA + Audio
Video Cable Length 1.8m/ 1.8m
Audio In Yes (3.5 mm)
Integrated Speakers Yes (2 x 3W)
Tilt Angle (front / back) -5° / 22°
Swivel Angle (left / right) No
Lift No
Pivot No
VESA Mount Yes (100 mm)
Kensington lock slot Yes
Bezel Width (Side) 17 mm
Bezel Width (top / bottom) 17 / 26 mm
Thin Client Support (Tiny)  Yes (by VESA mounting)

On- Screen Display (OSD) Menu Control:

OSD Controls

  • Brightness/Contrast/DCR
    • Brightness
    • Contrast
    • DCR
  • Image Position
    • Horizontal position
    • Vertical position
  • Image setup: -
    • Automatic Setup
    • Manual Setup
    • Image / Audio Properties
    • Color : Mode 1 (Preset –7200K , sRGB, 6500K,9300K), Mode 2 (Custom – R,G,B, Save)
    • (Reddish , sRGB, Neutral , Bluish )
    • Input Signal
    • Scaling
    • Volume
    • Audio input (-Line in -HDMI)
  • Image properties:
    • Color
      • Mode 1 (Preset –7200K , sRGB, 6500K,9300K)
      • Mode 2 (Custom – R,G,B, Save)
      • (Reddish , sRGB, Neutral , Bluish )
    • Input Signal
    • Scaling
  • Options:
    • Information
    • Language Selection
    • Menu Position – Default, Custom (H / V)
    • Reset – Cancel, O.K
    • Accessibility – Button Repeat Rate (Off, Default, Slow), Menu Timeout (5 to 60 sec)
  • Exit

The OSD menu supports the following languages: English, French, German, Spanish, Italian, Japanese, Simplified Chinese and Russian.



Physical specifications
Dimensions and weight of the monitor and stand
Parameter Unpacked Packed
Depth 2 inch (50 mm) (without stand & base)
5.57 inch (144 mm)

8.53 inch (216.7 mm) (include stand & base) 13.5 inch (343.7 mm) (without stand & base)

19.29 inch (490 mm)


22.3 inch (567.1 mm)

24.61 inch (625 mm)

Weight 8.3 lbs (3.76 kg)       12.11l bs (5.49 kg)


Operating environment
Conservation: Energy can be saved by switching monitors off overnight and whenever they are not in use for extended periods during the day. 


Power requirements
  • Power Voltage 90---264VAC
  • Voltage Dynamic Frequency 47-63Hz
  • Power Consumption(E2000) and Heat Dissipation


StatusTypical consumption
(OSD Default setting)
Max consumption
(Without USB hub)
On mode
<21W <31W Green
On mode
--Out of Range
<21W <31W Green Blinking
(0.5s interval)
Sleep < 0.5  W < 0.5  W Amber
Off mode < 0.5  W < 0.5  W Amber
Switch off mode < 0.5  W < 0.5  W Off

Actual power consumption depends on the chosen display mode, the images displayed, and user control settings.


Ambient temperature and relative humidity
ParameterTemperature HumidityAltitude
Operating 0 to 45 deg.C 10 to 80 % 0 to 5000 meters
Shipping -20 to 60 deg. C 5 to 95 % 0 to 40,000 ft
Storage -20 to 60 deg. C 5 to 95 % 0 to 8,000 ft


Declared acoustical noise emissions LWAU = 4.5 bels or less. The noise emission level stated is the declared (upper limit) A-weighted sound power level, in bels, for a random sample of monitors. All measurements are made in accordance with ANSI S12.10 and reported in conformance with ISO/DIS 7779.



Compliance to the ISO standard ISO 9241-307 provides that ergonomic requirements are met when the monitor forms part of an ISO-compliant system.



3 years - Customer Replacement Unit (CRU) Service

  • Announce date: 25 June 2013 (Worldwide)
  • Planned availability date: 15 July 2013 (Worldwide)


Hardware Compability
The LT2423 is intended to operate with system units or video adapters that generate a video output signal falling within the following specification:
Maximum resolution 1920 x 1080 pixels
Optimum resolution            1920 x 1080 pixels
Maximum pixel rate  VGA: 205MHz, HDMI: 205MHz


Preset Display Modes

Factory Mode: VGA, DVI, DP, HDMI

(H x V Pixels)
Incoming video refresh rate
640 x 350 70 Hz
640 x 480 60 Hz
640 x 480 72 Hz
640 x 480 75 Hz
720 x 400 70 Hz
800 x 600 56 Hz
800 x 600 60 Hz
800 x 600 72 Hz
800 x 600 75 Hz
832 x 624 75 Hz
1024 x 768 60 Hz
1024 x 768 70 Hz
1024 x 768 75 Hz
1152 x 864 75 Hz
1280 x 1024 60 Hz
1280 x 1024 70 Hz
1280 x 1024 75 Hz
1366 x 768 60 Hz
1440 x 900 60 Hz
1440 x 900      60 Hz (Reduced blanking)
1600 x 900 60 Hz
1600 x 900 75 Hz
1680 x 1050 60 Hz (Reduced blanking)
1680 x 1050 60 Hz
1920 x 1080 60 Hz


Software requirements
The monitor features preset display modes. The actual display modes used depend on the attaching system unit, the operating system, and application software.
  • Microsoft Windows 7
  • Microsoft Windows 8
  • Microsoft Windows 8.1


Agency approvals



  • BELLIS (Belarus)
  • BSMI (Taiwan)
  • CCC (China)
  • CE (Europe)
  • cTUVus
  • GOST (Russia)
  • IEC950 CB Report
  • INSM (Moldavia)
  • ISC (Cambodia)
  • JEITA (Japan)
  • KC (Korea)
  • KEBS (Kenya)
  • KONCAR (Croatia)
  • KUCAS (Kuwait)
  • KVALITET (Serbia)
  • NOM (Mexico)
  • OTAN (Kazakhstan)
  • PSB (Singapore)
  • SABS (South Africa)
  • SASO (Saudia Arabia)
  • SONCAP (Nigeria)
  • STZ (Uzbekistan)
  • Tanzania
  • TUV-S (Argentina)
  • Ukraine


  • BELLIS (Belarus)
  • BSMI (Taiwan)
  • CCC (China)
  • CE (Europe)
  • Croatia
  • C-Tick (Australia/New Zealand)
  • FCC B (USA)
  • IC (Canada)
  • Kazakhstan
  • KC (Korean )
  • KONCAR (Crotia)
  • KVALITET (Serbia)
  • SABS (South Africa)
  • VCCI (Japan)


  • CECP
  • CEL (Grade 1)
  • China National Monitor Energy Efficiency standard Tier 1
  • ECO declaration
  • EPA 6.0
  • EPEAT Gold
  • e-standby (Korea)
  • EU RoHS /China RoHS/Turkey RoHS/Ukraine RoHS
  • GHG (B2B)
  • ISO 9241-307
  • MPR2
  • TCO6.0, Edge 1.2
  • TUV-Green Mark
  • TUV-GS
  • ULE Gold
  • VOC (US)
  • WEEE


  • Microsoft Windows 7/ 8/ 8.1

Standard: COMMISSION REGULATION (EC) No 1275/2008 (ANNEX I point 2 for ITE product)


  • Supported display modes are a function of the attaching system unit and video subsystem. The full range of display modes available with these monitors may not be available or supported with all combinations of system units, their operating systems, video adapter cards and application software.
  • Horizontal- and vertical- synchronization signal timings are critical in order to achieve acceptable screen images. As a consequence, support for all possible variations in H- and V-sync timings for any display mode cannot be assumed
  • Adjustment of the user controls to enlarge the image to its maximum size requires that the signal timings of the display mode being used fall within the monitor-timing specifications.
  • The number of colors shown in any display mode (up to a maximum of 16.7 million) ) is not limited by the monitor, but depends on the capabilities of the video adapter in the system unit
  • Implementation of monitor power management follows the VESA DPMS standard. This standard must also be implemented in the attaching system unit hardware and software for monitor power management to be effective. The system implementation must provide user-adjustable, power-down delay periods. The monitor power management function is invoked only after appropriate signals are received from an attached system unit or video adapter.
  • Implementation of monitor Plug and Play follows the VESA DDC standard. This standard must also be implemented in the attaching system unit hardware and software for monitor Plug and Play to be effective.
  • Certain functions require the system unit to be similarly configured, so all monitor functions may not be enabled when attached to a particular system unit.


Service Parts
  • Description: A description of the product.
  • Geography: The geography where the product is available.
  • Marketing part number: The marketing part number is the part number used for purchasing the product.
  • Service part number (FRU): The service part number for the product or one of the product's components.
DescriptionGeographyFRU Number
ThinkVision LT2423 24-inch FHD LED Backlit LCD Monitor Worldwide


Additional Product information
Product Recycling Program Information
Lenovo Limited Warranty
Compliance Statement for ThinkVision LT2423 monitor
Configuration files - Downloads and drivers for your product
Publications - Instruction manuals for your product
Troubleshooting - Step-by-step instructions for solving common monitor issues
Lenovo ThinkVision Monitors ( - ThinkVision monitor information
Monitors - Reference Guide - A list of monitors
Monitor Accessories - Reference Guide - A list of monitor accessories (stands, arms, displayport cables, cable locks, soundbars)
DisplayPort Cables - Product and compatibilityinformation for DisplayPort monitor cables
Graphic Cards - Reference Guide - A list of graphic cards for desktop and workstation systems
Accessories - Reference Guide - A list of accessories for notebook, desktop, workstation, server accessories - Additional information on options and accessories, including the Option Compatibility Matrix (OCM)
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications on Lenovo products

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Documento de identidad : PD030021
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