LG -P940 Service Manual page 170

Wi-Fi & BT
2G_WLAN_RF
Antenna & Diplexer
FL302
8 1
NC2 P1 5G_WLAN_RF
CN301 7 2
GND3 GND1
C328 100p C329 18p 6 3
1
P3 P2 2G_WLAN_RF
5 4
GND2 NC1
R303
L305
R304
C330
DNI
1n
DNI DNI
5G_WLAN_RF
LGE Internal Use Only
2.4GHz Wi-Fi & BT RF
FL301
L306 3p
C315 10p
3 1
OUT IN
WLAN_SW_[0]
L301
C316 WLAN_SW_[1]
2.7n 2.4n
WLAN_SW_[2]
9 1
WLAN_RF_TX
C322 10p C_BT U301 TX_IN
8 2
BT_RF_TX
BT GND1
7 3
GND3 GND2
+3V3_VOUT
WLAN_SW_[3]
L304 2.2n
C325 10p
C326
100n
5GHz Wi-Fi RF
+VPWR_WL
C340
5G_A_TSSI
100n
L307 1.8n
C344
0.5p
C345 4.7p
ANT TX
13 8
U303
GND3 GND5
14 7
VC2 GND4
C346
15 6 C347 4.7p
VC1 RX
DNI
16 5
GND1
17
C348 C352
DNI DNI
WLAN_SW_[6]
C349
WLAN_SW_[7]
100n
WLAN_SW_[5]
WLAN_SW_[4]
R301 0
VBAT +VPWR_WL
FB304 600
VDD_LN VDD_BT
FB305 120
VDD_FM
R302 15K
WLAN_RF_RX
C323 1.5p
WLAN_RF_TX
WLAN_RF_RX
L303
5G_WLAN_RX
3.9n
5G_WLAN_TX
5G_A_TSSI
WLAN_SW_[0]
WLAN_SW_[1]
WLAN_SW_[2]
WLAN_SW_[3]
WLAN_SW_[4]
WLAN_SW_[5]
WLAN_SW_[6]
WLAN_SW_[7]
FM_AUDIO_L
FM_AUDIO_R
FM_ANT
75
FB306 75
BT_UART_TXD TP307
BT_UART_RXD TP308
TP309
BT_UART_CTS/
5G_WLAN_TX TP310
BT_UART_RTS/
FM_I2S_CLK
FM_I2S_FSYNC
FM_I2S_DI
TP312
BT_PCM_CLK
5G_WLAN_RX TP313
BT_PCM_DOUT
TP315
BT_PCM_DIN
TP317
BT_PCM_SYNC
TP318
BT_WAKEUP
BT_HOST_WAKEUP TP319
+VPWR_WL
- 170 -
Wi-Fi & Bluetooth BB
FB302
600
E4
WRF_RES_EXT
A6
WRF_RFIN_2G
A5
WRF_RFOUT_2G
D5
WRF_G_TSSI_IN
A1
WRF_RFIN_5G
A2
WRF_RFOUT_5G
B3
WRF_A_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
U302
E6
BT_UART_RXD
E7
BT_UART_TXD
F6
BT_UART_RTS_N
D6
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
XO_OUT
Copyright © 2011 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
C324 100n
J1
HSIC_AVDD12
K4
VDDIO_RF +3V3_VOUT
K6
WL_VDDIO VSEL_1.8V
J7
BT_VDDIO
C327 100n
K7
VDD_ISLAND
K1
HSIC_STROBE
L1
HSIC_DATA
L2
HSIC_RREF
L7
SDIO_DATA_0 TP301 WLAN_SDIO[0]
M5
SDIO_DATA_1 TP302 WLAN_SDIO[1]
M8
SDIO_DATA_2 TP303 WLAN_SDIO[2]
L8
SDIO_DATA_3 TP304 WLAN_SDIO[3]
M6
SDIO_CLK TP305 WLAN_CLK
M7
SDIO_CMD TP306 WLAN_CMD
F1
WRF_XTAL_OP XO_IN
G1
WRF_XTAL_ON XO_OUT
F2
WRF_TCXO_IN
H7
LPO CLK32K_GATE
D4
WRF_GPIO_OUT
H2
TP311
WL_GPIO_0
WLAN_HOST_WAKEUP
H1
WL_GPIO_1
H3
WL_GPIO_2
J3
WL_GPIO_3
G4
WL_GPIO_4
H5
WL_GPIO_5
H4
WL_GPIO_6
L9
TP314
WL_REG_ON WLAN_EN
K9
TP316
BT_REG_ON BT_EN
F10
BT_RST_N
J9
EXT_SMPS_REQ
J10
EXT_PWM_REQ
A8
BT_RF BT_RF_TX
D7
BT_CLK_REQ_IN
D8
BT_CLK_REQ_POL
E8
BT_CLK_REQ_MODE
F12
BT_CLK_REQ_OUT
X301 Q22FA1280013000
XO_IN
4 3
1 2
R307 220
37.4MHz
C350 C351
18p 15p
Only for training and service purposes