4. TROUBLE SHOOTING
- 103 -
LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
MIC501
2
1
VA511
VA510
K2.
2
22
5
R
82
5
C
u1.
0
C529
39pF
0
R523
71
5
R
K1
100
R520
100
R521
39p
C534
03
5
C
u1.
0
VMIC_BIAS_P
C533
39p
81
5
R
K2.
2
C526
10u
C527
39p
91
5
R
I
N
D
MAIN_MIC_P
MAIN_MIC_N
MAIN_MIC_GND
MAIN_MIC_GND
TP06
CIRCUIT
1n
C232
C235
47p
47p
C237 C236
47p
47p
C234
C228
47p
47p
C227
C226
DNI
C225
DNI
1n
C233
VMIC_BIAS_P
C239
220n
2.2K
R218
R217
2.2K
VDD_IO_1V8
VAUD_HS_BIAS
TP204
T12
P13
R12
P15
P14
T15
R15
T14
R14
N17
N18
T16
R16
M18
M17
K17
P11
P4
J4
T2
J5
G1
L4
J3
1
1
F
1
T
8
1
T
8
1
A
1
A
1
1
R
7
A
7
B
0
1
C
0
1
B
0
1
A
0
1
D
0
K
L
C
_
1
S
2
I
X
R
_
1
S
2
I
X
T
_
1
S
2
I
0
A
W
_
1
S
2
I
L
C
S
_
C
2
I
A
D
S
_
C
2
I
F
F
O
N
O
1
C
N
2
C
N
3
C
N
4
C
N
S
F
D
D
V
BC1_n
BC2_n
BC3_n
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_N
PWRON
HS_MIC_P
MAIN_MIC_P
DDR_DQS[1]
DDR_DQS[0]
DDR_DQM[1]
ST
R_
T
R
A
U_
T
B
ST
C_
T
R
A
U_
T
B
T
U
O_
M
C
P_
T
B
NI
_
M
C
P_
T
B
BT_CLK_REQ
I2C_SDA
I2C_SCL
HS_JACK_DET
SPK_HS_L
SPK_HS_R
DDR_CLK_P
DDR_CKE
DDR_CLK_N
MAIN_MIC_N
RCV_HS_N
RCV_HS_P
1T
NI
E
6T
NI
E
0T
NI
E
U201
TP01
TP03 TP04
TP0
TP05