LG -E405 Service Manual page 126

MEMS MIC
MIC_BIAS
C7000
33p
FB7000 1800
MIC_1N
FB7001
1800
MIC_1P
C7004 C7005
27p 27p
VA7004
VA7005
3.5pi Ear Jack Connector
EAR_MIC_BIAS CIRCUIT
Delete 11.03.24
FM_ANT
R7000 12
EAR_R_PMIC
EAR_SENSE_3.5PI
R7001 12
EAR_L_PMIC
HS_MIC
C7007 C7008
C7010 C7011
47p 47p 33p 15p
EAR_GND
R7006
DNI
LGE Internal Use Only
G4
6
G3
5
VDD
4
G2
3
G1
2
OUT
1
MIC7001
EAR_SENSE CIRCUIT
Delete 11.03.24
M6-GND
FB7002 6
1800
M1-R
1
M4-DETECT
4D
1800 FB7003
M4-L
1800 4
FB7004
M5-MIC
5
CN7001
L7002
ZD7000
8.2p
C7009
270n
SPEAKER
CN7000
1
SPK_RCV_P
2
SPK_RCV_N
HIR-02A57-0000AA
VA7000 VA7001
- 126 -
7. CIRCUIT DIAGRAM
VIBRATOR
VBAT
VB7000
C7001
D7000 L7000
1u 82n 1
L7001
82n 2
VIB_DRV_N
VA7003
C7013
1u
DNI
HEADSET_DETECT
VREG_MSME_1.8V
VREG_P3_2.85V
C7006
1u
5
CAP
2 1 R7004
MIC_MODE MODE RES
2.2K
3 U7000 8
3.5PI_KEY_POLE_DET SWD MIC HS_MIC
MAX14579E
4 7 R7005
EAR_SENSE EAR_SENSE_3.5PI
DET DET_IN
10K
EAN62065901
C7012
220n
DET
3 Pole
L
4 Pole
L
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SWD
L
H
Only for training and service purposes