Acer D240H service manual Reliability, Output characteristics Items Condition Spec

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Acer

 

 

 

Acer –LCD-D240H

 

 

 

 

 

 

 

 

Item

Condition

Spec

 

 

 

 

Electrostatic

 

Contact discharge: 4KV

 

 

 

IEC61000-4-2(EN55024)

Contact discharge: 8KV

 

 

 

 

 

Discharge

Air discharge

: 8KV

 

 

 

 

 

 

 

 

 

Air discharge

: 15KV

 

Reliability

Items

Condition

Spec

Note

 

 

 

 

MTBF

T=25

>50,000 Hours

 

 

 

 

 

CCFL Life time

Luminance

50,000 Hours(Typ)

Note1

becomes 50%

 

 

 

 

 

 

 

Note1. Display an all WHITE field at mid Brightness and Contrast settings.

3.Electrical and Optical Characteristics and Performance

3.1Main Power Supply

3.1.1Input characteristics

 

Items

Condition

Spec

Note

 

 

 

 

 

 

 

 

AC Input Voltage range

Universal input full range

90~264Vac

 

 

 

AC Input Voltage rating

Universal input full range

100~240Vac

 

 

 

 

 

 

 

 

 

AC input frequency range

90~264Vac

47~63Hz

 

 

 

 

 

 

 

 

 

AC input frequency rating

100~240Vac

50~60Hz

 

 

 

 

 

 

 

 

 

AC Input Current

100Vac

2.0A(max)

 

 

 

 

 

 

 

 

 

 

240Vac

0.8A(max)

 

 

 

 

 

 

 

 

 

Inrush Current

115Vac,cold star,25°C

35A (max)

See Note2

 

 

 

 

 

 

 

 

 

230Vac,cold star,25°C

70A(max)

 

 

 

 

 

 

 

 

 

AC-DC power Efficiency

DC output full loading

≥79%

 

 

Note2. Before each test, the buck capacitor need to be discharged.

Before each test, it must be 10 minutes at least after the latest test.

Hot star not component be damaged.

3.1.2 Output characteristics

Items

Condition

Spec

Note

Ripple and Noise

+25V output

<800mv

With system See note 3

 

+5V output

 

<500mv

 

 

USB +5V output:

<150mv

 

 

Audio +5V output:

<500mv

 

 

+25V output

<480mv

With dummy Load

 

 

 

 

 

 

+5V output

 

<100mv

 

 

USB +5V output:

<100mv

 

 

Audio +5V output:

<100mv

 

 

25V loading:0.3A~1.4A

Vcc25V:23.2V~28V

For system active

 

 

 

5V loading:0.75A~1.5A

Vcc5V: 4.75V~5.25V

 

DC Output Voltage

Audio 5V:

0A~1.2A

Audio 5V: 4.95V~5.45V

 

USB 5V:

0A~1.5A

USB 5V: 4.75V~5.25V

 

 

 

 

 

 

 

 

25v loading:0.1A~1.5A

Vcc25V: 23.2V~30V

For power saving or DC

 

5V loading: 0A

Vcc5V: 4.75V~5.25V

off

Image 6
Contents LCD Monitor Acer D240H Table of Contents Important Safety Notice Main Features AccessoriesGeneral Safety, EMC, Ergonomics and Compatibility Requirements Operation SpecificationsEnvironmental conditions Operating Specification StorageOutput characteristics Items Condition Spec Condition SpecReliability Backlight Power Supply Protection characteristics Condition SpecStatus Sync Video Power Items SpecificationWhite balance Mode Chromaticity Coordinate CoolBrightness output WarmUSB in Option Input / Output Signal SpecificationsAudio HdmiDVI-D VGAItems Condition Specification Timing tableHorizontal Vertical Other Modes Audio output Spec Mode Resolution Pixel Clock MHz Sync KHz Sync Hz RatioItems Specification DDC dataDPF function DPF function introduceNand play photo function Card reader functionMemory card test DPF function test 11.4.1 DPF select photo mode flow DPF setting menu flow Acer Setting menu layer-1 Setting menu layer-2 Setting menu layer-3 Acer Acer DPF System Profile Function Specifications Panel general specificationsFirst Second Third Fourth Control Range Default Value OSD StructureEmea NO-EMEA Depend on timing & S/N Deutsch Français Español OSD TranslationMain menu Noemea English Italiano 意大利语Deutsch Français Español Italiano 简体中文 日本語 西班牙语意大利语 荷兰语 芬兰语 Color management OSD scenario OSD language Nonemea EnglishDimension Dimension Spec3Mechanical Specification 2Cabinet Material4Base Mechanical Interface Unit Packing Vibration Unit Package SpecificationUnits package Items Spec Random VibrationCarton label Gross Weightkg1S/N Label Drop HeightcmPage Flat Panel Specification Product Specification Handling Precautions Display Characteristics General DescriptionOptical Characteristics Unit Conditions Min Typ MaxProduct Specification Tr F Tr R B R G B Functional Block Diagram PCB InterfaceMating Type Absolute Maximum Ratings TFT LCD ModuleBacklight Unit Symbol Min Typ Max Unit ConditionsSignal Electrical Characteristics Symbol Parameter Min Typ Max Units ConditionParameter Min Typ Max Unit Product Specification Signal Characteristic Pixel Format Image Input data format= Odd Pixel Data E = Even Pixel Data Signal Description PIN # Signal Name DescriptionTiming Characteristics Symbol Min Typ Max UnitTiming diagram CLKPower ON/OFF Sequence Parameter Value Unit Min Typ MaxConnector & Pin Assignment Pin AssignmentSignal for Lamp connector Reliability Test Items Required ConditionShipping Label Mechanical Characteristics Ver Ver Exploded Diagram Troubleshooting Bad Screen White Sreen Spare parts List Assy Bezel ,LP2441 Schematics and Layouts If BD LayoutPower BD Layout Acer Keypad BD Layout Touchpad BD Layout Card BD Layout 5Switching Mode Power Supply circuit CF 16 Bit I/F Assembly and Disassembly Main Board S11 Set up the speaker Page S17 Assemble the base with the stand

D240H specifications

The Acer D240H is a remarkable monitor that embodies modern technology and design, appealing to both casual users and professionals alike. Boasting a sleek and minimalist aesthetic, the D240H features an ultra-slim profile, making it a stylish addition to any workspace or home setup. One of the standout aspects of this monitor is its vibrant 24-inch Full HD display, delivering crisp and clear visuals with a resolution of 1920 x 1080 pixels. This level of clarity is perfect for tasks ranging from everyday office work to gaming and multimedia consumption.

The monitor incorporates IPS technology, which provides broader viewing angles and enhanced color reproduction. With an impressive 178-degree viewing angle, users can enjoy consistent color and picture quality from virtually any position. This feature is particularly beneficial for collaborative environments where multiple viewers need to see the screen simultaneously.

Additionally, the Acer D240H is designed with the user’s comfort in mind. The monitor incorporates Acer's EyeProtect technology, which reduces eye strain during extended use. This includes features such as Flicker-less technology to eliminate flickering on the display and Blue Light Filter to minimize harmful blue light emissions. These enhancements allow users to work or play for longer periods without discomfort.

In terms of connectivity, the D240H is versatile, featuring HDMI and VGA ports, making it compatible with a wide range of devices, from laptops to gaming consoles. The inclusion of these ports ensures that users can easily connect and switch between different devices.

Another notable characteristic of the Acer D240H is its energy efficiency. It is designed to consume less power without compromising performance, which not only reduces energy costs but also contributes to a greener environment. Furthermore, it meets various environmental standards, making it an eco-friendly choice.

In conclusion, the Acer D240H is a feature-rich monitor that combines superior display technology, user comfort, and energy efficiency. Whether for work or leisure, it delivers a visually appealing experience that meets the needs of various users, making it a smart choice in today’s competitive monitor market.