LG -L25 Service Manual page 113

< 1-3-5-1_RFIC_CA_nCA_WTR1625 >
CAUTION: YOU MUST CHECK & MODIFY RF PORT AND GPIO ON YOUR SCHEMATICS.
NOTE1
CCDS CARD Information
Add a L1500_22nH Inductor and DNI C1510
Release Date 2013.11.21 Reason for change :
22nH inductor helps reduce XO harmonics spur in TX+n*XO.
Rev.C
Based on Reference Schematic
It also helps reduce XO harmonics riding on TX and RX LO.
80-NA805-46
It is recommended to add the inductor and DNI the cap for all designs.
DOCUMENT NO: 80-VT310-56A Rev.B
+1V8_WTR_RF3_IO
+1V8_VREG_L10
+2V05_WTR_RF2
+2V05_VREG_L9
162
153
TX_LB2_GSM_LB
163
154
TX_LB4_BC0_B26_B5
146
TX_MB1_B11
138
TX_MB2_GSM_HB
139
Rev.B TX_MB3_BC6_B1_B3
155
130
121
R1500
C1539 33p
WTR0_PDET_IN
22
117
102
PRX_LB1_BC0_B26_B5_G850
92
PRX_LB2_G900
73
65
51
PRX_MB1_B3
43
PRX_MB2_GSM_HB
27
PRX_MB3_B11
9
17
18
19
PRX_HMB4_BC6_B1
5
15
DRX_LB2_BC0_B26_B5
16
7
28
DRX_MB1_B3
20
1
DRX_MB3_B11
4
12
13
2
DRX_HMB4_BC6_B1
36
GNSS_IN_P
44
GNSS_IN_N
113
94
140
55
118
156
122
164
LGE Internal Use Only
NOTE2
CHANGE R1508 8.2nH
8.2nH inductor helps spurs for B2+B4 & B3+B5 CA
DOCUMENT NO: 80-NA805-42
Rev.1.0
R1508 Delete
NOTE1 NOTE2
NOTE1
TX_LB1_OUT
TX_LB2_OUT
TX_LB3_OUT
TX_LB4_OUT
TX_MB1_OUT
TX_MB2_OUT
TX_MB3_OUT
TX_MB4_OUT
TX_HB1_OUT
TX_HB2_OUT
PDET_RFFB
PRX_LB1_IN
PRX_LB2_IN
PRX_LB3_IN
PRX_LB4_IN
PRX_MB1_IN
PRX_MB2_IN
PRX_MB3_IN
PRX_HB1_IN
PRX_HB2_IN
PRX_HB3_IN
U1500
PRX_HMB4_IN
WTR1625L
DRX_LB1_IN
DRX_LB2_IN
DRX_LB3_IN
DRX_LB4_IN
DRX_MB1_IN
DRX_MB2_IN
DRX_MB3_IN
DRX_HB1_IN
DRX_HB2_IN
DRX_HB3_IN
DRX_HMB4_IN
GNSS_RF_INP
GNSS_RF_INM
GND50
GND51
GND52
GND53
GND54
GND55
GND56
GND57
+1V225_WTR_RF1
+1V225_VREG_L1
160
TX_BB_IM WTR0_TXBB_I_N
151
TX_BB_IP WTR0_TXBB_I_P
161
TX_BB_QM WTR0_TXBB_Q_N
152
TX_BB_QP WTR0_TXBB_Q_P
108
PRX_BB_IM WTR0_PRXBB_I_N
99
PRX_BB_IP
WTR0_PRXBB_I_P
97
PRX_BB_QM
WTR0_PRXBB_Q_N
107
PRX_BB_QP
WTR0_PRXBB_Q_P
86
DRX_BB_IM WTR0_DRXBB_I_N
76
DRX_BB_IP WTR0_DRXBB_I_P
68
DRX_BB_QM WTR0_DRXBB_Q_N
61
DRX_BB_QP WTR0_DRXBB_Q_P
60
WTR0_GNSSBB_I_P
GNSS_BB_IP
53
WTR0_GNSSBB_I_N
GNSS_BB_IM
67
WTR0_GNSSBB_Q_P
GNSS_BB_QP
85
GNSS_BB_QM WTR0_GNSSBB_Q_N
71
RTUNE R1503 4.75K TOL=0.01
37
DNC
127
DAC_REF WTR0_DAC_IREF
123
GP_DATA0 WTR0_GPDATA_0
104
GP_DATA1 WTR0_GPDATA_1
141
GND64
105
SSBI_TX_GNSS WTR0_SSBI_TX_GNSS
95
SSBI_PRX_DRX WTR0_SSBI_PRX_DRX
109
ADC_IN
131 WTR0_XO_IN
C1541 1n
XO_IN
C1543 DNI
91
PRX_LB_CA_OUT
50
PRX_MB_CA_IN
33
PRX_HB_CA_OUT
32
DRX_LB_CA_OUT
29
DRX_MB_CA_IN
30
DRX_HB_CA_OUT
USE ONLY FOR CA
112
GND58
132
GND59
45
GND60
66
GND61
84
GND62
75
GND63
SMT Shield CAN
- 113 -
RF PORT MAP TABLE FOR WTR1625(L)+WFR2600 v01
WTR1625 RF PORT MAPPING
RF PORT KR DCM, KDDI ATT_TMUS_SPC EU_GLOBAL
TX_LB1_OUT GSM_LB GSM_LB B5/26, BC0/10 B5/8, BC0
TX_LB2_OUT GSM_LB GSM_LB
TX_LB3_OUT B17 B20
TX_LB4_OUT B5, B8 B6/18/19, BC0 B17
TX_MB1_OUT B11/21 B34/39
TX_MB2_OUT GSM_HB GSM_HB GSM_HB GSM_HB
TX_MB3_OUT B1, B2 B1, BC6 B1/2/25, BC1 B1/2
TX_MB4_OUT B3, B4 B3/4 B3
TX_HB1_OUT B7 B41 B7 B7
TX_HB2_OUT B41 B38/40
B6/18/19, BC0
PRX_LB1_IN 850, B5 B29 B20
PRX_LB2_IN 900, B8 900 900 900, B8
PRX_LB3_IN 850, B5/26, BC0/10 850, B5, BC0
PRX_LB4_IN B17 B17
PRX_MB1_IN B2 B11/21 B2/25, BC1 B2
PRX_MB2_IN GSM_HB GSM_HB GSM_HB GSM_HB
PRX_MB3_IN B3 B3
PRX_HB1_IN B41 B41 B38/40
PRX_HB2_IN B34/39
PRX_HB3_IN B7 B7 B7
PRX_HMB4_IN B1, BC6 B1/4 B1
DRX_LB1_IN B8 B29 B20
DRX_LB2_IN B5 B18/19, BC0 B8
DRX_LB3_IN B5/26
DRX_LB4_IN B17 B17
DRX_MB1_IN B11/21 B2/25, BC1
DRX_MB2_IN B39
DRX_MB3_IN B3 B3
DRX_HB1_IN B41 B38
DRX_HB2_IN B40
DRX_HB3_IN B7 B7 B7
DRX_HMB4_IN B1, BC6 B1/4 B1
WFR1620 RF PORT MAPPING
RF PORT KR DCM, KDDI ATT_TMUS_SPC EU_GLOBAL
PRX_MB1_IN B2/25, BC1
PRX_MB2_IN B3 B3
PRX_MB3_IN B1/4 B1/4
DRX_MB1_IN B2/25, BC1
DRX_MB2_IN B3 B3
DRX_MB3_IN B1/4 B1/4
< GND Contact Pin>
SC1500
1
DNI Àû¿ë
GND
GND
Copyright © 2014 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
Rev_0.5
VZW_USC
B5, B8 BC0
GSM_LB
B12/13
B4
GSM_HB
B1, B2 BC1
B8, G900
B5, G850 BC0
B12/13
B4
G1800
BC1
B2, G1900
B1
BC0
B5
B12/13
B4
B2 BC1
Only for training and service purposes