LG GT540 - Audio and Sound

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LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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3.13. Audio and sound
3.13.1. Overview of Audio path
Figure. Block diagram of Audio & Sound path
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ͽ͸ͶͺΟΥΖΣΟΒΝΆΤΖ΀ΟΝΪ
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3.13. Audio and sound
3.13.1. Overview of Audio path
Figure. Block diagram of Audio & Sound path
LGE Internal Use Only
Challenge 123
Swift Audio Interface
MSM7227
Audio
Sub System
WM9093
HPH_L
HPH_R
RCV_N
RCV_P
LINE_ON
LINE_OP
AUDIO_I2C_SDA
AUDIO_I2C_SCL
SPK_RCV+
SPK_RCV-
Receiver/
Speaker
18x12
MIC
MIC_1P
VMIC_BIAS
3
.
5
pi
Ear-Jack
connector
KJA-PH-2-0171
HS_MIC
EAR_SENSE
EAR_L
EAR_R
GPIO29
MIC2P
MIC_1P
MIC_1N
MIC_BIAS
GPIO17
GPIO27
HPH_L
HPH_R
EAR1_ON
EAR1_OP
LINE_OP
LINE_ON