3. TROUBLE SHOOTING
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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
C5106
DNI
C5104
82p
82n
L5101
U5100
WCN3620
31
40
38
15
30
18
8
48
26
55
61
6
5
47
53
59
54
49
28
33
46
41
50
FM_HS_RX
FM_SSBI
FM_DATA
BT_SSBI
BT_DATA
WL_PDET_IN
WL_BB_IP
WL_BB_IN
WL_BB_QP
WL_BB_QN
WL_BT_RFIO
WL_CMD_SET
WL_CMD_CLK
WL_CMD_DATA2
WL_CMD_DATA1
WL_CMD_DATA0
GND
BT_CTL
TCXO_IN
NC1
NC2
NC3
NC4
DNI
L5102
82n
R5126
0
0
R5127
WLAN_Q_N
WLAN_Q_P
WLAN_I_N
WLAN_I_P
WLAN_CLK
WLAN_SET
BT_SSBI
BT_DATA
BT_CTL
FM_DATA
FM_SSBI
FM_ANT
XO_G_TCXO
WLAN_DATA_0
WLAN_DATA_2
WLAN_DATA_1
WL_BT_RFIO_2P4G
TP3
C5125
1p
C5115
100p
C5102
4.7u
C5101
0.47u
C5111
10n
C5109
10n
10n
C5108
C5112
100p
C5105
22n
C5100
470n
10
u
C5116
C5114
100p
VREG_L10_1V8
VREG_L6_1V8
WCN3620
U5100
4
36
3
34
11
27
32
21
20
25
35
42
17
1
10
19
2
12
14
39
45
44
9
43
58
37
60
23
7
16
13
51
52
57
56
29
24
22
VDD_IO_1P8
VDD_XO_1P8
VDD_DIG_1P2
VDD_FM_RXFE_1P3
VDD_FM_RXBB_1P3
VDD_FM_PLL_1P3
VDD_FM_VCO_1P3
VDD_BT_BB_1P3
VDD_BT_PLL_1P3
VDD_BT_VCO_1P3
VDD_BT_FM_DIG_1P3
VDD_WL_BB_1P3
VDD_WL_2GPA_1P3
VDD_WL_PLL_1P3
VDD_WL_UPC_1P3
VDD_WL_2GLNA_1P3
GND2
GND3
GND4
GND5
GND6
GND7
GND8
GND9
GND10
GND11
GND12
GND13
GND14
GND15
GND16
GND17
GND18
VDD_WL_2GPA_3P3
GND1
VDD_BT_RF_1P3
VDD_WL_LO_1P3
VDD_BT_DA_3P3
FB5100
240
VREG_L24_1V3
10u
C5113
22u
C5103
VREG_L24_1V3
VREG_L16_3V3
C5107
10n
Isolated GND
TP2