LG -P715 Service Manual page 83

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