Hardware Specifications and Configurations
1-31
Audio Codec and Amplifier
Audio Interface
Item
Specification
Audio Controller
Realtek ALC271X-VB3-GR
Features
Four channels stereo ADC support 16/20/24-bit PCM format
All DAC/ ADC support independent 44.1k/ 48k/ 96k/ 192 kHz
sample rate
All analog jack ports except MONO, BEEP-IN and HP-OUT
are stereo input and output re-tasking
Supports analog PCBEEP input, and a digital BEEP
generator is integrated
Headphone amplifier on port-I (HP-OUT) is designed to drive
output without external DC blocking capacitors
Software selectable 2.5V and 3.2V reference output for
microphone bias
Software selectable boost gain (+10/+20/+30dB) for analog
microphone input
Two jack detection pins: each supports detection of up to 4
jacks
Supports two GPIO pins
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
Support 1.5V~3.3V scalable I/O for HD Audio link
48-pin LQFP ‘Green’ package
Jack detection function is supported when device is in power
down mode (D3)
Amplifier
Realtek ALC271X-VB3-GR embedded
Item
Specification
Audio Controller
Realtek ALC271X-VB3-GR
Audio onboard or optional
On board
Mono or Stereo
Stereo
Resolution
Support 16/20/24bit PCM
Compatibility
HD audio Interface
Sampling rate
Sample rate up to 192Khz resolution VSR (Variable Sampling
Rate)
Summary of Contents for Aspire 3750
Page 1: ...Acer AS3750 AS3750G SERVICEGUIDE ...
Page 4: ...iv ...
Page 40: ...1 36 Hardware Specifications and Configurations ...
Page 57: ...System Utilities 2 17 Figure 2 19 Unlock Password ...
Page 75: ...3 15 Figure 3 24 Memory Module Figure 3 25 Memory Module ...
Page 79: ...3 19 ...
Page 83: ...3 23 Top case disassembly M2 5 3 5L 3 Table 3 1 Step Screw Quantity Screw Type ...
Page 87: ...3 27 2 Disconnect the RTC BATTERY cable then take the battery away Figure 3 45 RTC BATTERY ...
Page 94: ...3 34 Figure 3 58 LCD Module ...
Page 98: ...3 38 Figure 3 65 LCD Panel ...
Page 101: ...3 41 Figure 3 70 Hinge ...
Page 103: ...3 43 Figure 3 73 CPU Module Figure 3 74 CPU Module ...
Page 105: ...3 45 Figure 3 77 Main board Figure 3 78 Main board ...
Page 108: ...3 48 Figure 3 83 Blue tooth Module Figure 3 84 Blue tooth Module ...
Page 112: ...3 52 Figure 3 91 Top case Figure 3 92 Top case ...
Page 115: ...3 55 Figure 3 97 Memory Figure 3 98 Memory ...
Page 163: ...FRU Field Replaceable Unit List 6 9 ...
Page 192: ...6 38 FRU Field Replaceable Unit List ...
Page 268: ...7 76 Model Definition and Configuration ...
Page 272: ...8 4 Test Compatible Components ...