Acer eMachines eM250 Series Service Manual page 26

Item
Pixel Pitch (mm)
Typical White Luminance (cd/m
also called Brightness
Contrast Ratio
Response Time (Optical Rise
Time/Fall Time) msec
Typical Power Consumption
(watt)
Weight (without inverter)
Physical Size (mm)
Electrical Interface
Viewing Angle (degree)
Horizontal (Right) CR = 10 (Left)
Vertical (Upper) CR = 10 (Lower)
Audio Codec and Amplifier
Item
Audio REALTEK ALC272X-GR
Controller
Features •
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LAN Interface
Item
LAN Chipset
Features
Keyboard
Item
Type
Total number of keypads
Windows logo key
16
0.2175
2 200
)
500:1
10
2.5
180
235.5 x 143.5 x 5.2
LVDS
45/45
20/45
Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple
streaming)
Two stereo ADC supports 16/20/24-bit PCM format for two independent recording
All DACs support independent 44.1k/48k/96k/192kHz sample rate
All ADCs support independent 44.1k/48k/96k/192kHz sample rate
Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/
96k/192kHz rate
Supports line level mono output
Supports analog PCBEEP input, and features an integrated digital BEEP
generator
Support two stereo digital microphone input for microphone array AEC/BF
application
Supports legacy analog mixer architecture
Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital
microphone interface)
Supports EAPD (External Amplifier Power Down) control for external amplifier
Supports anti-pop mode when analog power AVDD is on and digital power is off
Supports 1.5V~3.3V scalable I/O for HD Audio link
48-pin LQFP 'Green' package
Atheros AR8114/AR8132
•
New Acer flat keyboard
84/88 with 101/102 key emulation
Yes
Specification
Specification
Specification
Supports 10/100
Specification
Chapter 1