- 116 -
LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
L804
4.3n
L805
1n
TP804
U801
EAT61493101
XM2400LU-DL1201
11
21
01
9
5
4
6
3
7
2
8
1
VCTL1
RX
ANT
GND1
VCTL3
NI
_
A
NL
2
XT
T
U
O_
W
S
GND2
D
D
V
1
XT
2L
T
C
V
R802
30K
27p
C821
20
8L
n9.
3
C808
DNI
0
R806
TP807
TP805
TP803
TP802
TP806
R807
DNI
TP809
TP811
U803
5
3
2
4
1
VOUT
VIN
GND
STBY
D
N
G
P
C820
220n
100p
C825
C817
DNI
3
P3
_
D
D
V
0.1u
C804
3
P3
_
D
D
V
3
P3
_
D
D
V
TP801
L803
3.3n
TP808
C826
220n
20
8
C
u7.
4
C809
220n
C822
0.5p
10
8
R
0
VBAT
C829
1u
C828
1u
2.2u
C827
VBAT
VDD_TCXO
26MHz
TG-5010LH-87N
X801
4
2
3
1
NC
OUT
GND
VCC
C824
10p
15p
C816
VDD_TCXO
2450MHz
FL801
IN
OUT
GND1 GND2
100p
C815
1.2p
C818
DNI
C819
10p
C803
C801 10p
O
DL
NL
_T
U
O
V
U802
EUSY0434401
BCM43362KUBG
2
B
1
J
4
B
3
A
7
F
5
A
1
G
3
D
1
D
4
L
3
L
3
K
1
H
1
L
2
J
1
K
J5
D7
D6
F6
A7
E5
J7
J6
H5
J4
E4
K4
J3
K5
H4
H3
H2
C7
B7
G7
H7
H6
G5
G6
K7
K6
L7
L5
L6
F5
F2
G2
F1
E1
D5
B1
A1
5
C
4
C
2
L
2
K
4
G
3
G
4
F
3
F
3
E
4
A
6
E
2
E
6
C
2
D
6
A
4
D
D
N
G
_
A
N
A
_
F
R
W
D
N
G
_
O
C
V
_
F
R
W
2
D
N
G
_
A
P
_
F
R
W
D
N
G
_
L
A
T
X
_
F
R
W
D
N
G
_
V
R
D
A
P
_
F
R
W
D
N
G
_
E
F
A
_
F
R
W
D
N
G
_
A
N
L
_
F
R
W
1
D
N
G
2
D
N
G
3
D
N
G
4
D
N
G
5
D
N
G
S
S
V
A
_
U
M
P
S
S
V
P
_
R
S
T
U
O
_
O
I
P
G
_
F
R
W
2
P
1
D
D
V
_
T
U
O
_
O
D
L
_
O
C
V
_
F
R
W
WRF_RFIN
WRF_RFOUT
WRF_RES_EXT
RF_SW_CTRL0
RF_SW_CTRL1
RF_SW_CTRL2
RF_SW_CTRL3
SDIO_DATA_2
SDIO_DATA_0/SPI_MISO
SDIO_DATA_1/SPI_IRQ
SDIO_CLK/SPI_CLK
SDIO_DATA_3/SPI_CSX
SDIO_CMD/SPI_MOSI
JTAG_TMS
JTAG_TDO
JTAG_TDI
JTAG_TCK
JTAG_TRST_L
WRF_TCXO_VDD3P3
WRF_XTAL_VDD1P2
VDD1
VDD2
VDDIO
VDDIO_SD
EXT_SMPS_REQ
EXT_PWM_REQ
GPIO_0
WL_RST_N
GPIO_3/BTCX_TXCONF
GPIO_4/BTCX_STATUS
GPIO_5/BTCX_RF_ACTIVE
GPIO_1/BTCX_FREQ
WRF_TCXO_IN
XTAL_PU
OSCOUT
OSCIN
EXT_SLEEP_CLK
2
_
1
T
A
B
D
D
V
_
R
S
2
T
A
B
D
D
V
_
R
S
X
L
V
_
R
S
3
P
3
_
T
U
O
V
1
O
D
L
N
L
_
T
U
O
V
O
D
L
_
D
D
V
O
D
L
C
_
T
U
O
V
D
D
V
_
A
P
_
F
R
W
D
D
V
_
V
R
D
A
P
_
F
R
W
F
R
_
O
I
D
D
V
8
P
1
D
D
V
_
N
I
_
O
D
L
_
O
C
V
_
F
R
W
2
P
1
D
D
V
_
E
F
A
_
F
R
W
2
P
1
D
D
V
_
A
N
L
_
F
R
W
2
P
1
D
D
V
_
A
N
A
_
F
R
W
1
_
1
T
A
B
D
D
V
_
R
S
1
D
N
G
_
A
P
_
F
R
W
VDD_IO_1V8
01
8
C
18p
60
8
C
u7.
4
K
C
U
B
C_
T
U
O
V
VDD_CORE
0
R805
1u
03
8
C
FB801
FB802
600
VOUT_LNLDO
K
C
U
B
C_
T
U
O
V
E
R
O
C_
D
D
V
C823
0.1u
10
8L
u5.
1
VDD_IO_1V8
u2.
2
31
8
C
21
8
C
u2.
2
70
8
C
1u
O
DL
NL
_T
U
O
V
O
DL
NL
_T
U
O
V
41
8
C
u7.
4
R804
15K
GND
RTC_32K
BT_RF
CON_ANT_FEED
XTALP
XTALP
WLAN_CLK_REQ
WLAN_CLK_REQ
BTCX_STATUS
BTCX_TXCONF
SPI_CLK
X
R_
L
RT
C_
W
S_
F
R
RF_SW_CTRL_RX
SPI_MISO
SPI_INT
SPI_CS
SPI_MOSI
WLAN_REG_ON
BTCX_RF_ACTIVE
RF_SW_CTRL_TX
RF_SW_CTRL_TX
WRF_TX
X
T
_
F
R
W
RF_SW_CTRL_BT
RF_SW_CTRL_BT
TCXO LDO
WiFi TCXO
TP1
TEST POINT
TP