LG -E425 Service Manual page 130

BT/WI-FI FRONT-END
ANT9001
C9000 100p
BT_WLAN_RF
L9007
L9000
C9003
L9001
100p 0.5p DNI
100n
FL9000
3
WLAN_RX
1
WLAN_TX
5
4
BT_TRX
WLAN_SW_[0] TR_SW0
2
WLAN_SW_[1] TR_SW1
6
12
GND1
WLAN_SW_[2] TR_SW2
8
GND2
9
7
GND3
BT_WLAN_RF ANT
10
11
WLAN_PWR_DET_IN GND4
CPL
13
PGND
C9009 C9010 C9011
2400MHz,2500MHz
DNI DNI DNI
ANTENNA SWITCH MODULE LOGIC
SW0
WiFi RX-ANT HIGH
WiFi TX-ANT LOW
BT-ANT LOW
Wi-Fi : WCN1314
SLEEP_CLK
WLAN_RST_N
WLAN_ACTIVE
BT_PRIORITY
BT_ACTIVE
C9035
WLAN_CLK_WCN
WLAN_RF_RX
WLAN_PWR_DET_IN
WLAN_CLK_REQ_WCN
WLAN_SW_[0]
WLAN_SW_[1]
WLAN_SW_[2]
WLAN_CMD
WLAN_CLK
WLAN_SDIO[3]
WLAN_SDIO[2]
WLAN_SDIO[1]
WLAN_SDIO[0]
LGE Internal Use Only
L9002
WLAN_RF_RX
3.9n
C9004
C9005
DNI
DNI
L9005
L9003 68n
WLAN_RF_TX
FM_ANT
2.4n
C9006 C9007
DNI DNI
C9008
47p
C9012 22p
BT_RF_QCT
C9013
C9014
DNI
DNI
SW1 SW2
LOW LOW
HIGH LOW
LOW HIGH
18 28
SLEEP_CLK DNC2
27
GND_D1
9
DNC1
25 82
GND_D2 PLL_EXT_LPF
26
GND_D3
19
WLAN_RST_N
C9030
39 75
WLAN_ACTIVE GND_A
470p
20
BT_PRIORITY
29 84
BT_ACTIVE RF_TX_DA
71
RF_TX_PA WLAN_RF_TX
1n 41
TCXO_IN
80
RF_RX
87 U9001
PDET_IN
45
GND_A1
22 56
PA_EN GND_A2
17 53
WLAN_CLK_REQ GND_A3
33
GND_A4
12
TR_SW_EN_0
21
TR_SW_EN_1
11
TR_SW_EN_2
23
SDIO_CMD
14 63
SDIO_CLK REXT
15
SDIO_DATA3
6
SDIO_DATA2
16
SDIO_DATA1
13
SDIO_DATA0
C9002
22p
VREG_MSME_1.8V
R9001 R9002
2.2K
2.2K
6
GND1
33
BT_RST_N SYS_RST_N
28
I2C_COMMON_SDA_WCN I2C_SDA
29
I2C_COMMON_SCL_WCN I2C_SCL
43
L9004 82n
FM_HRX_IN
49
FM_PRXTX_IO
BT_PCM_OUT
R9003 DNI 46 U9000
BT_PCM_IN FM_I2S_SD
L9006 56
BT_PCM_SYNC
FM_I2S_WS
82n 51
BT_PCM_CLK
FM_I2S_SCK
58
BT_PCM_OUT
BT_PCM_IN
42
BT_PCM_CLK
BT_PCM_CLK
53
SLEEP_CLK SLEEP_CLK
36
BT_UART_TX BT_UART_RXD
47
BT_UART_RX BT_UART_TXD
40
BT_UART_RTS BT_UART_CTS
57
BT_UART_CTS
BT_UART_RTS
R9004
1M
WiFi : WCN 1314
+1V2_WLAN_WCN
C9027
C9028
4.7u
0.1u
+1V2_MSM_A2_WCN
C9026
10n
VREG_MSME_1.8V
C9029
0.1u
C9034
220n
colse to pin77
+1V8_WLAN_TCXO
FB9000
C9036
10n
R9007
+1V3_MSM_A3_WCN
0
C9033
2.2u
+3V_WLAN_WCN
C9041
2.2u
- 130 -
BT/FM Module : WCN2243
31
VDD_IO
24
VDD_XO_BIAS
14
VREG_DIG
4
VREG_ANA
10
VDD_LDO_IN
54
VDD_FM_1P3_1
37
VDD_FM_1P3_2
50
VDD_FM_1P3_3
55
VDD_FM_1P3_4
21
VDD_DIG_1P3
32
VDD_FM_DAC
19
VDD_BT_PA
13
VDD_BT_1P3_1
12
VDD_BT_1P3_2
15
VDD_BT_1P3_3
5
VDD_BT_1P3_4
C9015 C9016 C9017 C9018 C9019 C9020 C9021 C9022 C9023 C9024 C9025
4.7u 4.7u 10n
10n 10n 10n 10p 10n 1u
0.1u 10p
79
GND_A21
3
GND_D1
7
GND_D2
1
GND_D3
31 10
VDD_CORE1 GND_D4
46 30
VDD_CORE2 GND_A1
48 58
VDD_CORE3 GND_A22
5 24
VDD_CORE_AON1 GND_D5
36 32
VDD_CORE_AON2 GND_D6
38 37
VDD_CORE_AON3 GND_D7
47
GND_D8
8
VDD_IO
70
GND_A2
2 64
VDD_FEM GND_A23
U9001
86
GND_A3
4
VDD_SDIO
52
GND_A4
85 34
VDD_RFA10 GND_D9
77 60
VDD_RFA11 GND_A5
72
C9032 C9031 GND_A6
78 73
VDD_PA GND_A7
0.1u 100p
colse to pin85 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
C9038 C9039 C9040
C9037 GND_A17
42
22u GND_A18
10n 100p 100p
40
GND_A19
43
GND_A20
FB9001
60
C9042 C9043
0.1u 100p
colse to pin78
Copyright © 2013 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
VREG_MSME_1.8V
+3V_WLAN_WCN
Only for training and service purposes