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FB500
120
FB501
120
FB502
120
R503 15K
RX_BG
C530
10p
TX_WLBG
C531
1.5p
L505
SW_BT_TX
3.3n
SW_WL_BT_RX
SW_WL_TX
EXT_LNA_GAIN
C532
1u
FM_L
C533
1u
FM_R
FM_ANT
75
FB505
BT_UART_TXD
TP506
BT_UART_RXD
BT_UART_CTS
BT_UART_RTS
TP511
BT_PCM_CLK
TP512
BT_PCM_OUT
TP513
BT_PCM_IN
TP514
BT_PCM_SYNC
TP516
BT_WAKEUP
BT_HOST_WAKEUP
TP518
SW_BT_TX
TX_BT
L503
2.7n
C512
0.1u
LGE Internal Use Only
VDD_BT
VDD_FM
VDD_WRF
To be obsolete
C515
2.2u
C518
0.1u
C527
4.7u
E4
WRF_RES_EXT
A6
WRF_RFIN_2G
A5
WRF_RFOUT_2G
B3
WRF_A_TSSI_IN
D5
WRF_G_TSSI_IN
M3
RF_SW_CTRL_0
M2
RF_SW_CTRL_1
L3
RF_SW_CTRL_2
K5
RF_SW_CTRL_3
L4
RF_SW_CTRL_4
M1
RF_SW_CTRL_5
M4
RF_SW_CTRL_6
K3
RF_SW_CTRL_7
A11
FM_AOUT1
A12
FM_AOUT2
B12
FM_TX
E12
FM_RXP
D12
FM_RXN
TP505
E6
BT_UART_RXD
E7
BT_UART_TXD
F6
TP507
BT_UART_RTS_N
U501
D6
TP508
BT_UART_CTS_N
G9
BT_I2S_CLK
G10
BT_I2S_DI
H8
BT_I2S_WS
H9
BT_I2S_DO
E5
BT_PCM_CLK
F4
BT_PCM_IN
G5
BT_PCM_OUT
F5
BT_PCM_SYNC
F9
BT_GPIO_0
H11
BT_GPIO_1
G12
BT_GPIO_2
H12
BT_GPIO_3
G11
BT_GPIO_4
H10
BT_GPIO_5
10p
C506
10p
C507
9
1
TX_WLBG
C_BT
TX_IN
U500
8
2
BT
GND1
7
3
GND3
GND2
C514
0.1u
To be obsolete
C509
0.1u
C510
220p
C511
10u
C516
220n
C525
C526
0.1u
0.1u
C529
0.1u
J1
HSIC_AVDD12
K4
VDDIO_RF
K6
WL_VDDIO
J7
BT_VDDIO
K7
VDD_ISLAND
L7
TP500
SDIO_DATA_0
M5
SDIO_DATA_1
TP501
M8
TP502
SDIO_DATA_2
L8
SDIO_DATA_3
TP503
M6
SDIO_CLK
M7
SDIO_CMD
TP504
K1
HSIC_STROBE
L1
HSIC_DATA
L2
HSIC_RREF
F1
WRF_XTAL_OP
G1
WRF_XTAL_ON
F2
WRF_TCXO_IN
H7
LPO
D4
WRF_GPIO_OUT
H2
WL_GPIO_0
H1
WL_GPIO_1
H3
WL_GPIO_2
J3
WL_GPIO_3
G4
WL_GPIO_4
H5
WL_GPIO_5
H4
WL_GPIO_6
NC: SDIO,
L9
WL_REG_ON
K9
BT_REG_ON
F10
BT_RST_N
J9
EXT_SMPS_REQ
J10
EXT_PWM_REQ
A8
BT_RF
D7
BT_CLK_REQ_IN
D8
BT_CLK_REQ_POL
E8
BT_CLK_REQ_MODE
F12
BT_CLK_REQ_OUT
A1: WRF_RFIN_5G, A2:WRF_RFOUT_5G
FL500
LFB212G45CG7D227
1
3
IN
OUT
EAM62250401
L506
2.7n
- 114 -
Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C528
0.1u
VDD_3V3
VREG_MSME_1.8V
WLAN_SDIO[0]
WLAN_SDIO[1]
WLAN_SDIO[2]
R506
WLAN_SDIO[3]
WLAN_CLK
0
WLAN_CMD
SLEEP_CLK
TP509
WLAN_HOST_WAKEUP
37.4MHz
C535
18p
1: SPI
TP515
WLAN_RESET_N
TP517
BT_RESET_N
C537
10p
TX_BT
CN500
1
L507
2.7n
C505
L508
DNI
8.2n
Only for training and service purposes
X500
1ZZCAB37400AA0A
4
3
GND2
IN2
1
2
IN1
GND1
C536
18p
C503
100p
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Troubleshooting
