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LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
CAM_AVDD
DNI
C252
2.2u
C230
50
2
BF
00
6
CAM_IOVDD
600
FB202
10K
R242
VBAT
1V8_VDD
100K
R228
C246
1u
C243
DNI
L202
1.5n
L201
1.5n
VBUS_EXT
2.2K
R235
600
FB204
0.1u
C248
2.2u
C241
120
FB203
VBUS
1V8_VDD
1u
C231
0.1u
C247
2.2u
C242
1u
C240
CAM_DVDD
39p
C251
39p
C250
1u
C239
39p
C249
FM_LNA_EN
U202
RT8966AGQW
33
82
27
26
13
25
11
01
24
23
13
22
92
21
20
14
12
7
2
9
5
32
19
18
17
8
03
6
16
4
3
15
1
1T
U
O
AUD1
VIN
3T
U
O
AUD2
1
D
N
G
L
C
S
2
D
EL
MIC
CAP
RES
DSS
4T
U
O
3
D
EL
2T
U
O
1
D
EL
DP
U2
UID
D+
A
D
S
D-
\T
NI
VBUS1
VBUS2
4
D
EL
DN
VBAT1
U1
VBAT2
EXPDET
2
D
N
G
D
N
G
P
UART_RX
UART_TX
USB_DM
USB_DP
HS_MIC_P
HS_MIC_N
I2C_SDA
I2C_SCL
MINI_ABB_INT_N
2
D
E
L
M
3
D
E
L
M
1
D
EL
M
MUIC_IO_M
HS_OUT_R
MUIC_ID
MUIC_IO_P
HS_OUT_L
CIRCUIT
Figure 4.6.2
TP
TP1