LG D337 - Page 138

5. BLOCK DIAGRAM
- 138 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
L80+ Block Diagram - Audio
RCV
RCV_P
RCV N
10.L80+ Block Diagram - Audio
MT6323
Audio Subsystem
TPA2058D3
SPVDD
1V8 MTK VIO
VBAT
SPK
SPK AMP P
Battery
RCV
RCV
_
N
MT6582
IN2+
SDA
SCL
OUT+
OUT-
I2C_SENSOR_SDA
I2C_SENSOR_SCL
VIO18
HPVDD
+
1V8
_
MTK
_
VIO
AU VIN0 P
AU_MICBIAS0
MIC_BIAS_1
SPK
_
AMP
_
P
SPK_AMP_N
AU_HSP
RCV_SPK_P
MIC_IN1_P
Audio
S/W
+2V8_MTK_VA
SPK_P
SPK N
VA
SDA0
SCL0
HPH_L
AU_HPL
AU_HPR
IN2-
IN1+
IN1-
HPL
HPH_R
AU
_
VIN0
_
P
AU_VIN0_N
HPH AMP L
AU_HSN
RCV_SPK_N
Main MIC
FSA2259UMX
SPK
_
N
MIC_IN1_N
MIC IN3 P
SCL0
EAR_SENSE_JA
C
GPIO_4
AUDIO SEL
+1V8_MTK_VI
O
HPL
HPR
AU_VIN1_P
_ _
HPH_AMP_R
AU_VIN2_P
AU_VIN2_N
2
nd
MIC
MIC
_
IN3
_
P
MIC_IN3_N
EAR_MIC_JACK
HOOK_DETECT
ACCDET
C
K
MT6582
AUDIO
_
SEL
O
AU_VIN1_N
MT6627
FM_LANT_P
MIC_IN2_N
MIC_BIAS_2
ACCDET
AU_MICBIAS1
FM_ANT
MT6582
MT6166
_ _
FM_LANT_N
FM_RX_IN_N
MT6582
AUDIO_DATA_MOSI
AUDIO_CLK
AUDIO_DATA_MISO
AUD_MOSI
AUD_CLK
AUD_MISO
GPIO_28
GPIO_26
GPIO_27
CLK26M
26M_AUDIO_CLK
XO4