
- 94 -
LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
C140
1n
47p
C143
C142
47p
47p
C139
C138
47p
DNI
C137
DNI
C136
VMAIN_MIC
C141
1n
VHS_MIC
220n
C146
T12
P13
R12
P15
P14
T15
R15
T14
R14
N17
N18
T16
R16
M18
M17
K17
P11
P4
J4
T2
J5
1
1
F
1
T
8
1
T
8
1
A
1
A
1
C
N
2
C
N
3
C
N
4
C
N
S
F
D
D
V
SDCLKO
BFCLKO_0
BFCLKO_1
CKE
ANAMON
FSYS_EN
EPN
EPP
HSL
HSR
LSN
LSP
MICN1
MICP1
MICN2
MICP2
VMIC
VUMIC
ACD
AGND
VREF
HS_MIC_P
DDR_CKE
DDR_CLK_P
DDR_CLK_N
MAIN_MIC_N
MAIN_MIC_P
HS_L
BT_CLK_REQ
HS_MIC_N
HS_R
RCV_SPK_N
RCV_SPK_P
1
GI
D_
P
D
D
V
CIRCUIT
C246
10u
L201
100n
VA203 VA204
100
R230
100n
L202
100
R231
0.033uF
C243
K2.
2
23
2
R
R229
2.2K
VMAIN_MIC
p9
3
44
2
C
R228
1K
p9
3
74
2
C
p9
3
54
2
C
39pF
C242
0.033uF
C241
MIC200
SUMY0003816
OBM-410L44-RC1882
2
1
MAIN_MIC_N
MAIN_MIC_P
MAIN GND
MIC guide line check
TP4
TP
TP3
TP1
TP6
TP5