LG -D175F Service Manual page 191

<5-1-1-4> BT/WiFi Combo_WCN3620
+1V8_VREG_L6
+1V8_VREG_L10
+1V3_VREG_L5
FB5100
240
+1V3_VREG_L5
Rev.1.0
+3V3_VREG_L16
R5100 0
If 2.4GHz WLAN spurs are observed around 2.6 to 2.7 GHz, Replace R20 with 20nH inductor.
P22 P24
C5116 C5115 C5100 C5101 C5103
100p
DNI 470n 470n DNI
Rev.1.0
QMC review_0717
Rev_1.0
0607 : QMC Ref.
ANT2 (GNSS)
0527 change : C-clip -> PAD (2X3)
ANT1103
0603 delete
C1128 100p
C1134
Rev.1.0
1005 -> 0603(DR)
LGE Internal Use Only
RF Filter
POWER/GND
22
VDD_IO_1P8
24
VDD_XO_1P8
29
VDD_DIG_1P2
56
VDD_FM_RXFE_1P3
57
VDD_FM_RXBB_1P3
52
VDD_FM_PLL_1P3
51
VDD_FM_VCO_1P3
3
VDD_BT_RF_1P3
13
VDD_BT_BB_1P3
16
VDD_BT_PLL_1P3
7
VDD_BT_VCO_1P3
23
VDD_BT_FM_DIG_1P3
60
VDD_WL_BB_1P3
37
VDD_WL_2GPA_1P3
43
VDD_WL_UPC_1P3
9
VDD_WL_2GLNA_1P3
58
VDD_WL_PLL_1P3
36
VDD_WL_LO_1P3
11
VDD_WL_2GPA_3P3
4
VDD_BT_DA_3P3
P56 P3 P9 P29
P7 P23
C5105 C5107 C5108 C5109 C5111 C5112 C5113 C5114 C5102
22n 10n 10n 10n 10n 100p 10u 100p 4.7u
EXT LNA + Filter
GNSS_ELNA_EN
L2
C1125 L3
100p 10n 10n
FL1103
C1129
3.3n 1 4 C1131 6.8n L1115 100p 1 4
C1130 100p
IN OUT RF_IN FL1102 RF_OUT
G1 G2 G3
SFMG1R0U201
2 3 5
L1
DNI
LNA+Post Filter
DNI
0622 change : EAN62581401->EAN62696801
REV.0.6
34
GND1
44
GND2
L5100 68n
45
GND3 FM_ANT
39
GND4
FM_SSBI
14
GND5 FM_DATA
12
GND6
2
GND7
19
GND8
10
GND9
1
GND10
17
GND11
U5100 42
GND12
WCN3620
35
GND13
25
GND14
20
GND15
21
GND16
32
GND17
27
GND18
Isolated GND
WL_BT_RFIO_2P4G
+2V85_VREG_L19
QMC review
place matchng components near WTR
C1135 DNI
L1123 3.3n
WTR_GNSS_RF_IN_1
L1114
5.6n
C1127
L1124
DNI
DNI
C1136
DNI
- 191 -
RF/CONTROL
C5126 33n
C5104 82p
WCN_TCXO_IN
Rev.D
C5127 C5128
3.9p 3.9p
30
TCXO_IN WL_PDET_IN
Rev.C
L5101 82n 50
FM_HS_RX WL_BB_IP
WL_BB_IN
41
R5101 0 FM_SSBI WL_BB_QN
Rev.1.0
46
R5102 0 FM_DATA WL_BB_QP
U5100
18
BT_CTL BT_CTL
WCN3620
33
BT_SSBI BT_SSBI WL_BT_RFIO
28
BT_DATA BT_DATA
WL_CMD_SET
8
GND WL_CMD_CLK
WL_CMD_DATA2
WL_CMD_DATA1
WL_CMD_DATA0
RF Filter
FL9202
C5118 3.6n
L5104 3.9n 0603 delete
L5103 2.7n
C5117 27p
1 3
IN OUT
C5120
C5124
0.5p
1p
GPS External LNA LDO
Rev.1.0 Deleted
Copyright © 2014 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
49
54
WLAN_I_P
59
WLAN_I_N
47
WLAN_Q_N
53
WLAN_Q_P
15
NC1
5
WL_BT_RFIO_2P4G
6
WLAN_SET
61
WLAN_CLK
55
WLAN_DATA_2
26
WLAN_DATA_1
48
WLAN_DATA_0
38
NC2
40
NC3
31
NC4
PAD 2X2.5
ANT5100
C5119 18p
C5123
C5122
DNI DNI
100n
0624_add 0527 insert
Only for training and service purposes