LG E475F Service Manual page 84

3.5pi Ear Jack Connector
EAR_MIC_BIAS CIRCUIT
FM_ANT
R7000 12
EAR_R_PMIC
EAR_SENSE_3.5PI
R7001 12
EAR_L_PMIC
EAR_MIC_3.5PI
EAR_GND
LGE Internal Use Only
Delete 11.03.24
C7007 C7008
C7010 C7011
DNI DNI
47p 10n
R7011
0
R7006 0
FB7002
FB7003
EAR_SENSE CIRCUIT
Delete 11.03.24
1800
TP1
1800
1800
C7009
L7002
DNI
100n
C7019
0
TP3
- 84 - Copyright © 2013 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
M6-GND
FB7002
6
M1-R
1
M4-DETECT
4D
FB7003
M4-L
4
FB7004
M5-MIC
5
ZD7000
C7027
DNI
Only for training and service purposes
CN7001