LG -P715 Service Manual page 172

BT/WI-FI FRONT-END
C9025
100p
L9011 L9012
C9055 1.2n
DNI
100p
WLAN_SW_[0]
for contacting to GND
WLAN_SW_[1]
WLAN_SW_[2]
WLAN_PWR_DET_IN
LGE Internal Use Only
ANTENNA SWITCH MODULE LOGIC
SW0 SW1 SW2
WiFi RX-ANT HIGH LOW LOW
WiFi TX-ANT LOW HIGH LOW
BT-ANT LOW LOW HIGH
VREG_MSME_1.8V
NFC_WCN_HWI2C_SDA
NFC_WCN_HWI2C_SCL
L9002
FM_ANT
68n
BT_PCM_OUT
L9004
C9005
82n
47p
BT_UART_TX
BT_UART_RX
BT_UART_RTS
BT_UART_CTS
L9010
WLAN_RF_RX
3.9n
C9026
C9027
DNI
DNI
FL9003
3
WLAN_RX L9013
1
WLAN_RF_TX
WLAN_TX
4 5
BT_TRX 2.4n
TR_SW0
2
C9028 C9029
TR_SW1
6
12 GND1
TR_SW2 DNI DNI
8
GND2
9
7 GND3
ANT
10
11
GND4
CPL
13
PGND
C9031 C9032 C9033
C9034
DNI DNI DNI 2400MHz,2500MHz
BT_RF_QCT
22p
C9057
0.5p
Wi-Fi : WCN1314
18
SLEEP_CLK SLEEP_CLK
27
GND_D1
9
DNC1
25
GND_D2
26
GND_D3
19
WLAN_RST_N WLAN_RST_N
39
WLAN_ACTIVE WLAN_ACTIVE
20
BT_PRIORITY BT_PRIORITY
29
BT_ACTIVE BT_ACTIVE
C9051 1n 41
WLAN_CLK_WCN TCXO_IN
80
WLAN_RF_RX RF_RX
U9003
87
WLAN_PWR_DET_IN PDET_IN
22
PA_EN
17
WLAN_CLK_REQ_WCN WLAN_CLK_REQ
12
WLAN_SW_[0] TR_SW_EN_0
21
WLAN_SW_[1]
TR_SW_EN_1
11
WLAN_SW_[2] TR_SW_EN_2
23
WLAN_CMD SDIO_CMD
14
WLAN_CLK SDIO_CLK
15
WLAN_SDIO[3] SDIO_DATA3
6
WLAN_SDIO[2]
SDIO_DATA2
16
WLAN_SDIO[1] SDIO_DATA1
13
WLAN_SDIO[0] SDIO_DATA0
BT/FM Module : WCN2243
C9001
22p
31
VDD_IO
24
VDD_XO_BIAS
6
GND1
33 14
BT_RST_N SYS_RST_N VREG_DIG
28 4
I2C_SDA VREG_ANA
29 10
I2C_SCL VDD_LDO_IN
43 54
FM_HRX_IN VDD_FM_1P3_1
49 37
L9003 82n
FM_PRXTX_IO VDD_FM_1P3_2
50
VDD_FM_1P3_3
46 U9001 55
FM_I2S_SD VDD_FM_1P3_4
56
FM_I2S_WS
BT_PCM_SYNC
51 21
BT_PCM_CLK FM_I2S_SCK VDD_DIG_1P3
32
VDD_FM_DAC
58
BT_PCM_OUT BT_PCM_IN
42 19
BT_PCM_CLK
BT_PCM_CLK VDD_BT_PA
53
SLEEP_CLK SLEEP_CLK
13
VDD_BT_1P3_1
36 12
BT_UART_RXD VDD_BT_1P3_2
47 15
BT_UART_TXD VDD_BT_1P3_3
40 5
BT_UART_CTS VDD_BT_1P3_4
57
BT_UART_RTS
R9006 1M
C9012
+1V2_MSM_A2_WCN
+1V2_WLAN_WCN
VREG_MSME_1.8V
+1V3_MSM_A3_WCN
C9042
2.2u
+1V8_WLAN_TCXO
28
DNC2
FB9001
C9044
82
10n
PLL_EXT_LPF
75 C9045
GND_A
470p
84 C9056
RF_TX_DA
10u
71
WLAN_RF_TX
RF_TX_PA
45
GND_A1
56
GND_A2
53
GND_A3 +3V_WLAN_WCN
33
GND_A4
63
REXT
- 172 -
VREG_MSME_1.8V
R9004
+3V_WLAN_WCN
0
C9016 C9017 C9018 C9019 C9020 C9011 C9021
C9013 C9014 C9015
10n 10p 10n 10p 4.7u 4.7u 10n 10n 0.1u 1u 10n
WiFi : WCN 1314
79
GND_A21
C9030
10n
3
GND_D1
7
GND_D2
1
GND_D3
31 10
VDD_CORE1 GND_D4
46 30
VDD_CORE2 GND_A1
48 58
C9038 C9037
VDD_CORE3 GND_A22
4.7u
100n
5 24
VDD_CORE_AON1 GND_D5
36 32
VDD_CORE_AON2 GND_D6
38 37
VDD_CORE_AON3 GND_D7
47
C9039 GND_D8
8
100n VDD_IO
70
GND_A2
2 64
VDD_FEM GND_A23
U9003
86
C9040 GND_A3
C9041 4
C9043
VDD_SDIO
100n 100p 52
220n GND_A4
85 34
VDD_RFA10 GND_D9
77 60
VDD_RFA11 GND_A5
72
GND_A6
78 73
VDD_PA GND_A7
61
GND_A8
51 44
VDD_TCXO GND_A9
35 65
VDD_RFA1 GND_A10
240 74 83
VDD_RFA2 GND_A11
66 50
VDD_RFA3 GND_A12
81
VDD_RFA4
67 59
VDD_RFA5 GND_A13
54 68
VDD_RFA6 GND_A14
76 69
VDD_RFA7 GND_A15
62
VDD_RFA8
49 57
VDD_RFA9 GND_A16
55
C9047 C9048 GND_A17
C9046 C9049 C9050
42
10u GND_A18
DNI 10n 100p 100p
40
GND_A19
43
GND_A20
C9052 C9053
C9054
0.1u 100p
2.2u
colse to pin78
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7. CIRCUIT DIAGRAM
Only for training and service purposes