LG H990ds Service Manual page 104

4.11. Audio
BT_UART
BT_PCM
FM_EAR_ANT
MSM8996
GPIO[57~60]
GPIO_64
SLIMbus
GPIO_70/72
GPIO_53/54
GPIO_27/28
COMMON2_I2C_SCL/SDA
I2S
GPIO[80~82]
HIFI_RESET_N
Ear Jack
Connector
PMI8996
GPIO_2
GPIO_3
HAP_PWN_IN
LGE Internal Use Only
4
BT/WIFI/FM MODULE
4
AMP
SPKR_AMP_EN2
WSA8815
CODEC_RESET_N
SLIMBUS_CDC_CLK
SLIMBUS_CDC_DATA0/1
CODEC_INT1/2
XO
Hi-Fi
DAC
EAR_SENSE_JACK_OUT
Comp.
EAR_SENSE_JACK
EAR_MIC_JACK
PM8996
GPIO_15
HAPTIC_CDC_LOUT
+1V8_VREG_S4A
SPK_P
+VREG_BOOST_BYPASS
SPK
SPK_N
+VPWR
AMP_PDM_CLK/AMP_PDM_DATA
HPH_R/L_OUT
MBHC_HSDET_OUT
Analog
EAR_MIC_JACK_OUT
S/W
CODEC_MCLK
104
4. BLOCK DIAGRAM
WCD9335
VDD_SIO/IO/VDD_TX/RX
VDD_MIC_BIAS
VBAT_ADC_IN
PDM_CLK/PDM_DARA
RESET_N
SLIMBUS_CLK
SLIMBUS_DATA1/2
INTR_1/2
RCV_P
EARO_P
RCV_N
EARO_M DMIC_BIAS_1
HPH_R/L
DMIC_DATA_1
DMIC_CLK_1
MBHC_HSDET_L
DMIC_BIAS_3
AMIC2_INP
DMIC_DATA_2
DMIC_CLK_2
MCLK
DMIC_BIAS_4
DMIC_DATA_3
LINE_OUT3
DMIC_CLK_3
Copyright ⓒ 2016 LG Electronics. Inc. All right
reserved. Only training and service purposes
Main MIC
DMIC_BIAS_1
DMIC_DATA_1
DMIC_CLK_1
Sub MIC1
DMIC_BIAS_3
DMIC_DATA_2
DMIC_CLK_2
Sub MIC2
DMIC_BIAS_4
DMIC_DATA_3
DMIC_CLK_3