4. TROUBLE SHOOTING
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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2.2K
R7012
DNI
R7025
U7000
9
4
6
3
5
2
7
1
8
10
J_DET
J_MIC
VIO
MIC
DET
VDD
EN
S/E
JPOLE
GN
D
VREG_MSME_1.8V
VBAT
C7026
470p
1u
C7023
0.1u
C7024
C7022
33p
TP7003
TP7002
TP7001
TP7000
HSED_BIAS1
EAR_SENSE
HS_MIC
HOOK_DET
EAR_MIC_EN
EAR_SENSE_3.5PI
EAR_POLE_DET
EAR_MIC_3.5PI
3.5PI EAR JACK DETECT
HOOK DETECT
3 /4 POLE
JACK DETECT
TP2
TP1
VA7006
FB7004
1800
CN7001
6
1
4
4D
5
M5-MIC
M4-DETECT
M4-L
M1-R
M6-GND
1800
FB7003
VA7007
FB7002
1800
ZD7000
VA7008
TP3
TP3