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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
C409 1n
L429
DNI
TP400
8
V1
_
OI
_
D
D
V
6.8n
L417
L422
3n
TP422
12
4
PT
02
4
PT
91
4
PT
81
4
PT
L409
2.2n
1n
C467
15Kohms
R425
1n
C466
U403
F4
D5
1
A
6
B
7
D
6
E
3F
6F
A2
3
A
B3
E3
C3
F2
D2
E5
C2
F5
A4
B4
C4
E4
E2
D4
C1
C6
D1
B2
E1
B5
C5
C7
D6
6
A
7
B
1
B
7
E
7F
7
A
1F
3
D
5
A
T
A
B
V
O
D
D
V
2
C
D
D
V
G
E
R
V
X
P
D
D
V
F
R
D
D
V
B
S
U_
D
D
V
FT
D
D
V
V
H
G
E
R
V
RES
RFP
RST_N
REG_EN
SCL
HUSB_DN
SDA
TM2
SPIM_CLK
PCM_IN
SPIM_CS_N
PCM_OUT
PCM_CLK
LPO_IN
PCM_SYNC
XIN
UART_TXD
XOUT
UART_RXD
UART_RTS_N
GPIO_0
UART_CTS_N
GPIO_1
1
C
D
D
V
HUSB_DP
6
S
S
V
5
S
S
V
4
S
S
V
3
S
S
V
2
S
S
V
1
S
S
V
GPIO_6
GPIO_5
n0
1
85
4
C
VDD_IO_1V8
p0
1
65
4
C
u2.
2
75
4
C
FB400
600
p0
1
55
4
C
n0
1
45
4
C
35
4
C
u2.
2
VDD_IO_1V8
95
4
C
n0
1
C431
1u
3.3n
L426
ANT400
L406
270n
L408
100n
L428
5.6n
18p
C446
u2.
2
83
4
C
0
R423
C440
DNI
O
DL
NL
_T
U
O
V
O
DL
NL
_T
U
O
V
DNI
C484
L419
82n
8
V1
_
OI
_
D
D
V
C465
100p
E
R
O
C_
D
D
V
FM_LNA_PWR
U404
5
3
2
4
1
VOUT
VDD
GND
CE
D
N
G
P
0
R427
ZD400
TP405
TP403
TP402
TP401
O
DL
NL
_T
U
O
V
K
C
U
B
C_
T
U
O
V
10
4
BF
02
1
C442
220n
C427
3.9p
VBAT
DNI
C485
E
R
O
C_
D
D
V
O
DL
NL
_T
U
O
V
K
C
U
B
C_
T
U
O
V
L430
1.5n
L407 3.9n
4.7u
C434
53
4
C
u7.
4
DNI
C494
51
4L
u5.
1
DNI
C493
FL400
10
5
3
2
6
4
7
8
9
1 I1
O1-1
O1-2
O2-1
I2
O2-2
1
G
2
G
3
G
4
G
L420
47n
47n
L421
C430
4.7u
C443 18p
C403
1u
Q401
2
1
3
3.9p
C428
Q400
2
1
3
DNI
C490
C478
18p
C479
1.8p
C477
47p
C492
DNI
C419
15n
L425
3.3n
73
4
C
u2.
2
63
4
C
u1
0
R430
DNI
C486
FL401
2450MHz
IN
OUT
GND1 GND2
C489
DNI
DNI
C422
C468 220n
C429
10u
SW400
G2
ANT
RF
G1
L423
15n
5.1ohms
R401
R402
24K
22n
L402
1n
C406
C414
470n
R409
4.7K
270ohms
R404
C408 1n
FM_LNA_PWR
270ohms
R405
10p
C483
4.7K
R408
C413
470n
5.1ohms
R400
22n
L405
24K
R403
C404
1u
15p
C412
DNI
C449
C451
100p
C444
47p
2450MHz,100MHz
U401
11
21
01
9
5
4
6
3
7
2
8
1
VCTL1
PORT2
ANT
GND3
VCTL3
2
D
N
G
3T
R
O
P
1
D
N
G
GND4
5
D
N
G
1T
R
O
P
2L
T
C
V
1n
C415
R410
110
1p
C426
DNI
C491
L414
1.5n
VBAT
L411
2.2nH
2.2nH
L410
L413
1.5n
C425
1.2p
1K
R407
L412
2.2nH
C410
39p
15n
L424
1n
C420
R412
110
C424
33p
R406 110
C407
1n
ANT401
GND400 GND401
C417
100p
L427 3.9n
C416
DNI
C418
100p
C421
DNI
1p
C423
U400
29
23
24
25
26
27
28
5
1
6
1
7
1
8
1
9
1
0
2
1
2
2
2
8
7
6
5
4
3
2
1
14
13
12
11
10
9
Tx_LB_IN
Tx_HB_IN
VSW_EN
BS
RSVD1
RSVD2
1
D
N
G
2
D
N
G
1
T
T
A
B
V
2
T
T
A
B
V
3
D
N
G
4
D
N
G
5
D
N
G
6
D
N
G
7
D
N
G
2
x
R
3
D
V
S
R
1
x
R
D
V
S
R
N
E
x
T
P
M
A
R
V
8
D
N
G
GND9
GND10
ANT
GND11
GND12
GND13
PGND
R426 1K
DNI
C447
58
V2
_
X
U
A
V
C469
1u
26MHz
TG-5010LH-87N
X400
4
2
3
1
NC
OUT
GND
VCC
VDD_TCXO
VDD_TCXO
VBAT
DNI
R428
C471
1u
2.2u
C470
C474
0.1u
C445
18p
C452
10p
U402
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
FB402
600
R418
15K
10p
C433
C432
10p
L418
6.8n
BT_UART_CTS
BT_UART_RTS
RF_TX_RAMP
RF_HB_TX
RF_LB_TX
RF_HB_RXN
RF_LB_RXN
RF_LB_RXP
RF_TX_EN
RF_BS
BT_PCM_OUT
BT_PCM_IN
RF_VLOGIC
BT_UART_RX
BT_UART_TX
BT_RST_N
BT_PCM_CLK
BT_PCM_SYNC
RF_HB_RXP
BT_CLK_26M
BT_CLK_REQ
RTC_32K
RTC_32K
BT_WAKEUP
BT_DBB_WAKEUP
STS_FM_ANT
STS_FM_ANT
XTALP
XTALP
WLAN_CLK_REQ
WLAN_CLK_REQ
RF_SW_CTRL_BT
RF_SW_CTRL_BT
BTCX_STATUS
BTCX_STATUS
BTCX_TXCONF
BTCX_TXCONF
SPI_CLK
RF_SW_CTRL_TX
RF_SW_CTRL_TX
RF_SW_CTRL_RX
RF_SW_CTRL_RX
SPI_MISO
SPI_INT
SPI_CS
SPI_MOSI
WLAN_REG_ON
FM_ANT
BTCX_RF_ACTIVE
BTCX_RF_ACTIVE
BT_RF_ONLY
Y
L
N
O
_
F
R
_
T
B
BT_RF
BT_RF
STS_BT_WIFI_ANT
STS_BT_WIFI_ANT
WIFI
BT only
Class 2 or 1.5
BLUETOOTH
(1%)
1
must have 1% tolerance
When power class 1.5 is used,
Y-Splitter
(Vice versa for power class 2)
R307 is populated and R308 is depopulated.
RF PART
WiFi TCXO
TCXO LDO
1
1
1
MODE CONTROL LOGIC
CHECK DNI (SMT)
VSW_EN
0
1
0
1
MODE
STANDBY
RX2
RX1
Low Pass Filter
From 300 to 450 ohm
Tx_LB
Tx_HB
TxEN
0
0
0
1
1
From 300 to 450 ohm
FM Radio(LNA)
.
.
FM band stop filter
BS
0
0
(NOT MOUNTED)