LG -E450 Service Manual page 199

[LG-E450] HW Block Diagram : Audio Sub System
4-4. HW Block Diagram : Audio Sub System
MT6575
VMIC
AVDD25_VMIC
MIC_P
AU_VIN0_P
MIC_N
AU_VIN0_N
Main MIC
MIC2_P
AU_VIN2_P
MIC2_N
AU_VIN2_N
2 MIC
nd
EARMIC_BIAS
EARBIAS
EARMIC_P
AU_VIN1_P
EARMIC_N
AU_VIN1_N
Headset
LGE Internal Use Only
Battery
+VBAT
+1V8_VIO_MTK
VIO18
+2V5_AVDD1_MTK
Audio
SPK_P
RCV_SPK_P
S/W
HSP
FSA2259UMX SPK_N
RCV_SPK_N
HSN
HPH_L
HPLP
HPH_R
HPRP
I2C_SENSOR_SDA
SDA0
I2C_SENSOR_SCL
SCL0
FM_AUOUT_R
FMINR
FM_AUOUT_L
FMINL
For recording
I2S_CLK
I2S1_CK
I2S_WS
I2S1_WS
I2S_DATA_IN
I2S1_DAT
- 199 -
RCV_P
RCV_N
Audio Subsystem
TPA2058D3
SPVDD
SPK_OUT_P
OUT+
HPVDD
SPK_OUT_N
OUT-
IN2+
IN2-
EAR_L
HPL
IN1+ EAR_R
Headset
HPR
IN1-
SDA
SCL
MT6620
FM_AUOUT_R
FM_RX_IN_P
FM_AUOUT_L
I2S_CLK
I2S_WS
I2S_DATA_IN
Copyright © 2013 LG Electronics. Inc. All right reserved.
6. BLOCK DIAGRAM
RCV
SPK
Only for training and service purposes