Acer Aspire 4820T laptop Service Guide manual - PDF DOWNLOAD

Page 32

Item Features

Specification •

98dB Signal-to-Noise Ratio (A-weighting) for DAC output

90dB Signal-to-Noise Ratio (A-weighting) for ADC input Internal Digital

Power support: 3.3V digital core power; 1.5V~3.3V digital IO power for HDA link; 3.0V~5.0V analog power; 3.0V~5.0V power stage voltage

Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam Forming (BF) technology for voice application

Stereo Bridge-Tied Load Class-D amplifier at port-D has 2Watt (rms)/ 4amps per channel output

Analog Microphone

Headphone with SPDIF jack

48-pin QFN ‘Green’ package

Power and Keyboard Controller Item

Specification

Controller

ACPI 2.0

Total number of keypads

99-/100-/103-key keyboard

Windows logo key

Yes

Hotkeys

See “Hot Keys” on page 16.

Battery Specification

Item

6 Cell

Vendor & model name

SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A

Battery Type

Li-ion

Pack capacity

4400 mAh

Normal Voltage

2.2 Ah

Package configuration

3S2P

LCD Item

Specification

Vendor/model name

AUO/CPT/CMO/Samsung/LCD/INL

Screen Diagonal (in)

14”

Display resolution (pixels)

1366 x 768 WXGA Clare

Pixel Pitch

0.204 x 0.204

Display Mode

Normal

Typical White Luminance (cd/m (also called Brightness)

220

Contrast Ratio

500 typical

Response Time (Optical Rise Time/Fall Time) msec

8

Luminance Uniformity

1.25 max

2)

22

Electrical Interface

LVDS

Support Color

262K

Viewing Angle (up/down/right/ left)

15/35/45/45

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