Hardware Specifications and Configurations
1-35
Audio Codec and Amplifier
Item
Specification
Audio
Controller
Realtek ALC271X
Features
Meets WLP (Windows Logo Program) requirements for Windows XP,
Vista and Windows 7
98dB Signal-to-Noise Ratio (A-weighting) for DAC output
90dB Signal-to-Noise Ratio (A-weighting) for ADC output
4-channel DAC supports 16/20/24-bit PCM format for indepent two
stereo channel or 2.1 audio playback
4-channel ADC supports 16/20/24-bit PCM format for indepent two
stereo channel audio inputs
All DACs support 44.1k/48k/96k/192kHz sample rate
All ADCs support 44.1k/48k/96k/192kHz sample rate
S/PDIF-OUT support 16/20/24-bit format and 44.1/48/88.2/96/192kHz
rate
Supports MONO line level output
Supports external PCBEEP input and built-in digital BEEP generator
Software selectable 2.5V/3.2V VREFOUT as bias voltage for analog
microphone input
Progra12/+24/+36dB boot gain for analog microphone input
Supports stereo digital microphone input
Programmable boost gain and volume control for digital microphone
input
Built-in headphone amplifiers for port-C (LINE1) and port-I(HP OUT)
Headphone amplifier for port-I does not require DC blocking
capacitors
Two jack detection pins each designed to detect up to 4 jacks, and
S/PDIF-OUT jack detection is supported
EAPD (External Amplifier Power Down) is supported
Supports Anti-pop mode when analog power AVDD is on and digital
power is off
Power support: 3.3V digital core power: 1.5V~3.3V digital IO power for
HDA link; 3.0V~5.5V analog power; 4.5V~5.5V power stage voltage
Enhanced power management features for normal operation and
standby mode
Stereo Bridge-Tied Load Class-D amplifier at port-D has 2Watt (rms)/4
Ohms per channel output
Short circuit and thermal overload protection for Class-D amplifier
Class D amplifier has high pass filter with programmable Cut-Off
frequency (10Hz~900Hz) to prevent low frequency signal damage
speaker
Class D amplifier output with slew rate and spread spectrum control to
improve EMI performance
Independent left and right channel of output power limiter
(25%~100% power range) to protect speaker
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Summary of Contents for Aspire One D270
Page 1: ...Aspire One D270 SERVICEGUIDE Downloaded from www Manualslib com manuals search engine ...
Page 10: ...x Downloaded from www Manualslib com manuals search engine ...
Page 11: ...CHAPTER 1 Hardware Specifications Downloaded from www Manualslib com manuals search engine ...
Page 14: ...1 4 Downloaded from www Manualslib com manuals search engine ...
Page 53: ...CHAPTER 2 System Utilities Downloaded from www Manualslib com manuals search engine ...
Page 81: ...3 3 Camera Module Installation 3 41 Downloaded from www Manualslib com manuals search engine ...
Page 82: ...3 4 Downloaded from www Manualslib com manuals search engine ...
Page 120: ...3 42 Machine Maintenance Procedures Downloaded from www Manualslib com manuals search engine ...
Page 121: ...CHAPTER 4 Troubleshooting Downloaded from www Manualslib com manuals search engine ...
Page 144: ...4 24 Troubleshooting Downloaded from www Manualslib com manuals search engine ...
Page 208: ...6 58 FRU Field Replaceable Unit List Downloaded from www Manualslib com manuals search engine ...
Page 210: ...7 2 Aspire One D270 7 3 Downloaded from www Manualslib com manuals search engine ...
Page 393: ...CHAPTER 8 Test Compatible Components Downloaded from www Manualslib com manuals search engine ...
Page 403: ...CHAPTER 9 Online Support Information Downloaded from www Manualslib com manuals search engine ...
Page 404: ...9 2 Introduction 9 3 Downloaded from www Manualslib com manuals search engine ...