LG LG-P715 - About This User Guide; Manual Content and Disclaimers; Trademarks and Copyrights

4. TROUBLE SHOOTING
- 83 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[Figure] Schematic of WiFi/BT module
U9003
63
33
53
56
45
71
84
75
82
28
13
16
6
15
14
23
11
21
12
17
22
87
80
41
29
20
39
19
26
25
9
27
18
SLEEP_CLK
GND_D1
DNC1
GND_D2
GND_D3
WLAN_RST_N
WLAN_ACTIVE
BT_PRIORITY
BT_ACTIVE
TCXO_IN
RF_RX
PDET_IN
PA_EN
WLAN_CLK_REQ
TR_SW_EN_0
TR_SW_EN_1
TR_SW_EN_2
SDIO_CMD
SDIO_CLK
SDIO_DATA3
SDIO_DATA2
SDIO_DATA1
SDIO_DATA0
DNC2
PLL_EXT_LPF
GND_A
RF_TX_DA
RF_TX_PA
GND_A1
GND_A2
GND_A3
GND_A4
REXT
C9045
470p
C9051 1n
10K
R9009
SLEEP_CLK
WLAN_CLK
WLAN_CMD
WLAN_SDIO[3]
WLAN_SDIO[2]
WLAN_SDIO[1]
WLAN_SDIO[0]
WLAN_RST_N
WLAN_CLK_WCN
WLAN_CLK_REQ_WCN
BT_ACTIVE
BT_PRIORITY
WLAN_ACTIVE
WLAN_SW_[0]
WLAN_SW_[1]
WLAN_SW_[2]
WLAN_PWR_DET_IN
WLAN_RF_RX
WLAN_RF_TX
Wi-Fi : WCN1314
C9046
10u
10u
C9056
FB9002 60
2.2u
C9042
C9054
2.2u
DNI
C9047
C9043
220n
C9037
100n
0.1u
C9052
100p
C9040
100n
C9041
100n
C9039
C9044
10n
10n
C9048
100p
C9049
C9050
100p
100p
C9053
+1V2_WLAN_WCN
C9030
10n
+1V8_WLAN_TCXO
C9038
4.7u
+3V_WLAN_WCN
VREG_MSME_1.8V
+1V3_MSM_A3_WCN
+1V2_MSM_A2_WCN
240
FB9001
U9003
77
85
64
58
30
43
40
42
55
57
69
68
59
50
83
65
44
61
73
72
60
34
52
86
47
37
32
24
70
10
1
7
3
79
49
62
76
54
67
81
66
51
78
74
35
4
2
8
38
36
5
48
46
31
VDD_CORE1
VDD_CORE2
VDD_CORE3
VDD_CORE_AON1
VDD_CORE_AON2
VDD_CORE_AON3
VDD_IO
VDD_FEM
VDD_SDIO
VDD_RFA1
VDD_RFA2
VDD_PA
VDD_TCXO
VDD_RFA3
VDD_RFA4
VDD_RFA5
VDD_RFA6
VDD_RFA7
VDD_RFA8
VDD_RFA9
GND_A21
GND_D1
GND_D2
GND_D3
GND_D4
GND_A2
GND_D5
GND_D6
GND_D7
GND_D8
GND_A3
GND_A4
GND_D9
GND_A5
GND_A6
GND_A7
GND_A8
GND_A9
GND_A10
GND_A11
GND_A12
GND_A13
GND_A14
GND_A15
GND_A16
GND_A17
GND_A18
GND_A19
GND_A20
GND_A1
GND_A22
GND_A23
VDD_RFA10
VDD_RFA11
colse to pin78
WiFi : WCN 1314
Wi-Fi : WCN1314
Wi-Fi : WCN1314