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