LCD 14.1” inch

Item

 

 

 

 

Specification

 

 

 

 

 

 

 

 

 

 

 

 

Support Color

262K colors

 

262,144

 

262,144

 

262,144

 

 

(RGB 6-bit data

 

 

 

 

 

 

 

 

driver)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Viewing Angle (degree)

 

 

 

 

 

 

 

 

 

Horizontal: Right/Left

40/40

 

 

45/45

 

40/40

 

40/40

 

Vertical: Upper/Lower

10/30

 

 

15/35

 

20/40

 

20/40

 

 

 

 

 

 

 

 

 

 

 

Temperature Range( ° C)

0 to +50

 

0 to +50

 

0 to +50

 

0 to +50

 

Operating

 

 

 

 

-20 to +60

 

-25 to +60

 

-20 to +60

 

-20 to +60

 

Storage (shipping)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LCD Inverter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

 

 

 

Specification

 

 

 

 

 

 

 

 

 

 

Vendor & model name

 

Darfon/V189-301GP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Brightness conditions

 

N/A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input voltage (V)

 

9~21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input current (mA)

 

2.56 (max)

 

 

 

 

 

 

 

 

 

 

 

Output voltage (V, rms)

 

780V (2000V for kick off)

 

 

 

 

 

 

 

 

 

 

 

Output current (mA, rms)

 

6.5 (max)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output voltage frequency (k Hz)

 

65K Hz (max)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC Adaptor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

 

 

 

Specification

 

 

 

 

 

 

 

Input rating

 

Inlet 3p, 19V/3.42A, 65W, w LED, w/o PFC, universal

 

 

 

 

Inlet 3p, 19V/4.74A, 90W, w LED, w PFC, universal

 

 

 

 

 

 

 

 

 

 

Maximum input AC current

 

3.42A / 4.74A

 

 

 

 

 

 

 

 

 

 

 

 

 

Inrush current

 

220A@115VAC

 

 

 

 

 

 

 

220A@230VAC

 

 

 

 

 

 

 

 

 

 

Efficiency

 

82% min. @115VAC input full load

 

 

 

 

 

 

 

 

 

 

 

 

System Power Management

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACPI mode

 

 

 

Power Management

 

 

 

 

 

 

 

Mech. Off (G3)

 

All devices in the system are turned off completely.

 

 

 

 

 

 

Soft Off (G2/S5)

 

OS initiated shutdown. All devices in the system are turned off

 

 

 

completely.

 

 

 

 

 

 

 

 

 

 

Working (G0/S0)

 

Individual devices such as the CPU and hard disc may be power

 

 

 

managed in this state.

 

 

 

 

 

 

 

 

 

 

 

 

 

Suspend to RAM (S3)

 

CPU set power down

 

 

 

 

 

 

 

VGA Suspend

 

 

 

 

 

 

 

PCMCIA Suspend

 

 

 

 

 

 

 

Audio Power Down

 

 

 

 

 

 

 

Hard Disk Power Down

 

 

 

 

 

 

 

CD-ROM Power Down

 

 

 

 

 

 

 

Super I/O Low Power mode

 

 

 

 

 

 

Save to Disk (S4)

 

Also called Hibernation Mode. System saves all system states and

 

 

 

data onto the disc prior to power off the whole system.

 

 

 

 

 

 

 

 

 

 

 

Chapter 1

37

Page 43
Image 43
Acer 4220G, 4520G manual LCD Inverter, AC Adaptor, System Power Management

4220G, 4520G specifications

The Acer 4520G, 4220, and 4220G laptops are part of Acer’s previously popular Aspire series, known for delivering dependable performance and a range of features suitable for both casual users and professionals. Despite being older models, they still possess characteristics that can meet the demands of various computing needs.

First and foremost, these laptops are powered by AMD Turion 64 X2 processors, which provide a dual-core architecture, enabling them to handle multitasking effectively. This feature is particularly beneficial for users who engage in simultaneous applications, such as web browsing while streaming videos or editing documents. The efficient CPU performance ensures that the laptops maintain responsiveness during operation.

A notable advancement in the 4520G variant is the inclusion of a dedicated NVIDIA GeForce 8400M GS graphics card. This feature significantly enhances the graphical performance, making it suitable for light gaming and graphic-intensive applications. The integrated graphics in the 4220 and 4220G models, while adequate for everyday tasks, do not support demanding graphics as effectively.

Memory configurations for these models typically offer up to 4GB of RAM, which allows for smooth operation of everyday software and moderate gaming. Also, the inclusion of a 15.4-inch screen with a resolution of 1280x800 pixels provides a decent viewing experience suitable for both work and media consumption.

Storage options generally include a 120GB to 250GB hard drive, providing ample space for documents, applications, and media files. The laptops feature DVD-RW drives, enabling users to read and write CDs and DVDs, which is advantageous for data backup and media creation.

Connectivity options are also well-equipped, including several USB ports, HDMI output, and an Ethernet port for reliable internet connections. Wireless connectivity options, like Wi-Fi and Bluetooth, ensure that users can connect easily to networks and devices.

In terms of build, these laptops feature a sturdy design that, although bulkier than contemporary models, offers durability. The keyboard layout is comfortable for typing, and the touchpad provides decent responsiveness.

Overall, the Acer 4520G, 4220, and 4220G laptops present a blend of performance, reliability, and essential features. While they may not compete with the latest technology, they can still serve users who need a functional laptop for basic computing tasks.