LG -E405 Service Manual page 117

LGE405 Audio Block Diagram
GPIO28
GPIO41
GPIO127
MIC_BIAS
MIC1P
MIC1N
MIC2N
MIC2P
FM_L
LINE_L_IP
FM_R
LINE_R_IP
MSM7225A
LINE_OP
LINE_ON
HPH_L
HPH_R
EAR1_ON
EAR1_OP
LGE Internal Use Only
3.5PI_KEY_POLE_DET
EAR_SENSE
MIC_MODE
MIC_BIAS
MIC_1P
MIC_1N
HS_MIC
FM_LO_L
WCN 2243
FM_LO_R
LINE_OP
HPA_IN_LP
LINE_ON
HPA_IN_RM
PM8029
HPH_L
SPKR_IN_M
HPH_R
SPKR_IN_P
RCV_N
SPKR_BYP_M
RCV _P
SPKR_BYP_P
SWD
DET
MODE
MAX14579E
FM_ANT
FM_HRX_IN
EAR_R_PMIC
HPA_OUT_R
EAR_L_PMIC
HPA_OUT_L
SPK_RCV_P
SPKR_OUT_P
SPK_RCV_N
SPKR_OUT_M
LGE405f Audio Block Diagram
- 117 - Copyright © 2012 LG Electronics. Inc. All right reserved.
6. BLOCK DIAGRAM
DET_IN EAR_SENSE_3.5PI
MIC HS_MIC
FM_ANT
3.5PI CON
EAR_R
EAR_L
Only for training and service purposes