4. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
TP1
C2005
10u
C2017
0.1u
C2018
0.1u
0.1u
C2019
C2002
33p
0.1u
C2020
C2001
33p
0.1u
C2016
0.1u
C2011
0.1u
C2010
MIC_BIAS1_1.8
V
B4
E5
E1
1
D8
E9
A1
3
B1
2
A7
B6
C5
A5
D6
E7
C13
C1
1
D14
B8
A9
C9
C7
AF
4
AE5
Q_OUT_
N
Q_OUT_
P
LINE_L_I
N
LINE_L_I
P
LINE_R_I
N
LINE_R_I
P
HPH_VREF
HPH_
L
HPH_
R
AUXI
N
AUXI
P
MIC1N MIC1P MIC2N MIC2P
EAR1_ON EAR1_OP LINE_O
N
LINE_O
P
AUX_OU
T
CCOMP
MIC_BIA
S
C2003
47p
C2004
0.1u
R2027
2.2K
0.1u
C2032
R2028
C2033
1u
1u
C2035
C2034
0.1u
FM_L
FM_R
TX_Q_P
TX_Q_M
LINE_O
P
RCV_P
RCV_N
LINE_O
N
MIC_1
N
MIC_2
N
HPH_L
HPH_R
EAR_MIC_3.5P
I
MIC_2
P
MIC_1
P
CHANGE 1109
TP3
R2001
0
R2002
0
MIC_1N
MIC_2N
TP2
C2019,C2018 (TP3)
C2005 (TP1)
R2001,R2002(TP2)