LG D686 Service Manual page 149

HW Block Diagram : Audio
[LG-D686] HW Block Diagram : Audio
VMIC
VMIC
MIC_P
AU_VIN0_P
MIC_N
AU_VIN0_N
Main MIC
MIC2_P
AU_VIN2_P
MIC2_N
AU_VIN2_N
2 nd MIC
EARMIC_BIAS
EARBIAS
EARMIC_P
AU_VIN1_P
EARMIC_N
AU_VIN1_N
Headset
LGE Internal Use Only
MT6577
VIO18
SPK_AMP_R_EN
SPK_AMP_L_EN
HPH_L
HPLP
HPH_R
HPRP
Headset_AMP_EN
RCV_P
HSP
RCV_N
HSN
SPK amp
IN
TPA2015D1
EN
SPK amp
IN
TPA2015D1
EN
INL
Headphone amp
INR
TPA6136
EN
RCV
- 149 - Copyright © 2013 LG Electronics. Inc. All right reserved.
5. BLOCK DIAGRAM
SPK
SPK_RP
OUT+
SPK_RN
OUT-
SPK
SPK_LP
OUT+
SPK_LN
OUT-
EAR_L
EAR_R
Only for training and service purposes