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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
10u
C220
0.1u
C257
FB201
10
R248
TS5A32402RTER
EUSY0398301
U203
71
14
15
7
16
8
9
10
11
12
2
13
1
5
4
6
3
AUD_L
DM
D
N
G
VBUS
YL
P
P
U
S
V
INTB
AUD_R
R2_2K
MIC
UART_RX
UART_TX
ID
CLDO
DP
SDA
SCL
D
N
G
P
1n
C205
10u
C219
2.2K
R203
10K
R204
2.2uF
C208
27pF
C253
0.022uF
C212
VBUS_USB
C214
39pF
1n
C207
FB202
27pF
C209
FB203
120ohm
C251
10n
10K
R241
R242
100Kohms
1V8_VDD
27pF
C252
VAUX
C254
27pF
0.1uF
C255
VBAT
R245
2.2K
C256
0.022uF
10Kohms
R247
MUIC_INT
I2C_SDA
I2C_SCL
HS_MIC_P
HS_MIC_N
HP_ROUT
HP_LOUT
UART_TX
UART_RX
MUIC_DM
MUIC_ID
MUIC_DP
ECCH0000198
(2.2uF,6.3V,10%,1005)
ECCH0006501
(10 uF,6.3V ,M ,X5R ,TC ,2125 ,R/TP)
ECCH0000155
(10nF,16V,X7R,1005)
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ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
CIRCUIT
2. TROUBLE SHOOTING
VMIC
41
C
31
D
21
A
11
A
01
D
01
B
7
A
7
B
01
A
9
B
21
C
11
B
N
SL
P
SL
1
N
CI
M
1
P
CI
M
2
N
CI
M
2
P
CI
M
CI
M
U
V
CI
M
V
N
P
E
P
P
E
L
S
H
R
SL
P_
CI
M
N_
CI
M
N_
C
E
R
P_
C
E
R
P_
CI
M_
S
H
N_
CI
M_
S
H
T
U
O
R_
P
H
T
U
OL
_
P
H
N_
K
P
S
P_
K
P
S
ENRY0008801
CN201
GU073-5P-SD-E1500
15
13
11
9
7
5
4
3
2
1
14
12
10
8
6
180n
L202
VBUS_USB
0.001uF
C244
6.8pF
C245
VA205
MUIC_DM
MUIC_ID
FM_ANT_1
MUIC_DP
( USB & EAR MIC & TA &UART )
C219
C220