LG -E425 Service Manual page 96

3.5PI EAR JACK DETECT
EAR_SENSE
JACK DETECT
EAR_MIC_EN
EAR_POLE_DET
3 /4 POLE
HOOK_DET
HOOK DETECT
HSED_BIAS1
HS_MIC
LGE Internal Use Only
VREG_MSME_1.8V
VBAT
TP7000 TP7001 TP7002 TP7003
R7025
C7022 C7023 C7024
33p 1u 0.1u
DNI
TP1
1800
1800
1800
TP3
U7000
1
VIO
5
VDD
2 10
DET J_DET
3
EN
TP2 4
JPOLE
6
S/E
R7012 2.2K
7 8
MIC J_MIC
C7026
470p
FB7002
FB7003
FB7004
TP3
ZD7000
- 96 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
EAR_SENSE_3.5PI
EAR_MIC_3.5PI
M6-GND
6
M1-R
1
M4-DETECT
4D
M4-L
4
M5-MIC
5
CN7001
Only for training and service purposes