5. BLOCK DIAGRAM
- 214 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[D802] Audio Codec I/F
WCD9320
MSM8974
MAIN MIC(1
st
)
RCV
MAIN_MIC_P/M
MAIN_BIAS1
SPK
SPK_DRVP
MCLK
SLIMBUS_CLK
SLIMBUS_DATA
SLIMBUS_SCK
NLAST9431
INTR_1/2
WCD_INT1/2_N
SLIMbus
UART
EARO_P
EARO_M
RCV_P
RCV_M
SPK_DRVM
SLIMBUS_DATA
SUB MIC2(3
rd
)
SUB_MIC2_P/N
MBHC_HSDET
SPK_VSNSP
SPK_VSNSM
SUB_MIC3_P/N
Tx NC/Zooming
PM8941
BT/WIFI/FM MODULE
(BCM4335)
MBHC_HSDET
MIC_IN5_P/M
EJ_MIC
HPH_R_OUT
EAR_L_OUT
HPH_RM
HPH_LP
HPH_REF
VREG_S3
GPIO_0
GPIO_1
UART_TX
UART_RX
+1V8_VREG_S3A
EJ_MIC
HPH_REF
HPH_AUD_SW_INT
HPH_AUD_SW
(GPIO_79~82) PCM
4
MIC_BIAS_1
MIC_IN1_P/M
MIC_BIAS_4
MIC_IN4_P/M
MIC_IN5_P/M
SUB_MIC23_BIAS
T-Coil for HAC
GPIO_01
9. Audio Codec I/F
EARJACK_DETECT
HPH_AUD_SW
Tx, Zooming,
Recording
Inductor
MPP_06
EJ_MIC
MIC_BIAS_3
EJ_MIC
MIC_BIAS
MIC_BIAS
To EAR_KEY_INT
To EAR_SENSE_N
BT PCM
FMR I2S
4
4
(GPIO_74~77) PCM
4
SUB MIC3(4
rd
)
Zooming
FM_ANT
MAX
14628
FM_RFIN
FM_ANT