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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R517
2.2K
19
2
3
4
5
6
CN501
1
C539
10u
FB500
VREG_MSMP_2.7V
R518
100K
C540
47p
L504
2.2uH
EAR_MIC_P
MIC_PWR
MIDI_EAR_R
MIDI_EAR_L
FM_ANT
TV_OUT
CN501 Earjack
NO
2
VCC
U405
NLAST4599DFT2G
5
COM
3
GND
1
IN
NC
4
6
C459
10p
MID_MICP
EAR_MIC_P
EAR_SENSE_N
CAM_MIC_RIGHT
U405 Cam/ Ear mic Switch
EUSY0343501
0603
FB400
DNI
C426
1u
C421
1u
DNI
C424
C425
DNI
0
R408
FB401
DNI
RIN1
D4
RIN2
D6
D2
RON
ROP
E1
F1
SCLK
SDIN
E3
C1
SPKN
SPKP
A1
E2
MODE
CSB_ADDR
F2
R409
0
MIC2P
CODEC_I2C_SCL
MID_MICP
SPK_OUT-
CODEC_I2C_SDA
U400 WM8990
10%
AF20
MIC1P
AE20
AF21
MIC2N
AF22
MIC2P
AC20
LINE_R_IN
LINE_R_IP
MIC1N
CCOMP
AA20
AUXIP
AF19
AUXIN
AE19
C202
0.1u
DNI
C203
C205
DNI
C200
10p
C204
DNI
100nH
L200
0.1u
C206
C201
0.1u
MIC1P
MIC1N
MIC2P
U200 MSM6280
FB500
C459
C421
C426
C201 L200