Circuit Diagram - LG -D802 Service Manual

6. CIRCUIT DIAGRAM

ANT1 (GSM Quad / WCMDA 1, 2, 5, 8 / LTE 1, 3, 8, 20)
SW1000
UFL-R-SMT10
SW1001
G1 C1123 1.2n
2
G2 ANT ANT COMMON
1
G3 G4
GND ENWY0003901
L1102 L1062
3 4
DNI
1.0_07/02 100n
0322
SKY77629 need external CPL
Switch Control Register (VIO = 1)
State D6 D5 D4 D3
STANDBY 0 0 0 0
DCS1800 Rx 0 0 0 0
LTE B20 0 0 0 0
LTE B3 0 0 0 0
WCDMA B8 0 0 0 0
WCDMA B5 0 0 0 0
GSM1800/1900 Tx 0 0 0 1
GSM850/900 Tx 0 0 0 1
PCS1900 Rx 0 0 0 1
WCDMA B2 0 0 0 1
WCDMA B1 0 0 0 1
ANT2 (LTE B7)
VDD : Low - Standby
SW1002
UFL-R-SMT10
SW1003
G1 C1003 1n
2
G2 ANT ANT COMMON
1
ENWY0003901 G3 G4
3 4
L1061
L1083
1.0_07/02 DNI
100n
12
GND6 GND1
11
ANT VDD
10 U1101
GND5
9
GND4
LGE Internal Use Only
+1V8_VREG_S3A_RF
REV_1.0(07/04)
C1099
100p
FL11024
1.8n C1124
6 1
Coupling IN
5 2
Need to adjust Atten GND2 GND1
4 3
-3dB ATN Termination_Port OUT
L1063
DNI
R1033
WTR_PDET_IN
20
B7_CPL_OUT
GND 1
GND1
2
GND2
3
RX_BAND1_1
4
RX_BAND1_2
5
GND3
U1005
6
RX_BAND2_1
7
DGM337M06
RX_BAND2_2
8
GND4
EAT61914401
9
GSM_HB_RX_1
10
GSM_HB_RX_2
11
GND5
C1028 7p
D2 D1 D0 PRX_G1800_G1900_INP
0 0 0
L1018
9.1n
0 1 0
0 1 1 C1037 7p
PRX_G1800_G1900_INM
1 0 1
C1035 1n
1 1 0
PRX_B2_INP GND
1 1 1
L1024
0 0 0
1p
0 0 1 C1042 1n
PRX_B2_INM
0 1 0
C1014 33p PRX_B1_INP REV_B(05/18)
0 1 1
1 0 0
L1009
4.7n
C1011 33p
PRX_B1_INM
VDD : High LTE_B7_B40_SW_CTL1
TX_B40 H
TRX_B7 L
REV_A(05/18)
FL11206
1
PORT3+ PORT3-
2
GND1 VDD
3
GND2 PORT1-
4
PORT2- PORT1+
5
PORT2+ CTL
GND
PRX_L7_INP
PRX_L7_INM
TRX_SW_SEL0 TRX_SW_SEL1
RF1 L L
RF2 L H
RF3 H L
RF4 H H
+2V7_VREG_L16
1
2
3
TRX_SW_SEL1
V2
4
V1 TRX_SW_SEL0
C11139 C11138 C11137
10n 100p 100p
C1172 1p
1.0_6/28
L11084 3.3n
C11079 33p PRX_L7_INP
L11085
TRX_B7 DNI
C11171 1p
C11082 33p
PRX_L7_INM
FL11019 C11170
L11091
3.3n
100p
C11162
2.7p 6 1
ANT RX
3 L11096 2.2p
TX
L11094
2 8
GND1 OPT
3.3n R1042
4 7 C11088
L11097 B7_CPL_OUT
GND2 GND4
4.7n
5 9 10n
GND3 GND6 20
R1040 R1041
GND
330 330
-3dB ATN
HCPA(Change from ACPM-7700 to SKY77629)
+2V7_VREG_L16
C1020
100p
C1000
TX_ANT_GSMHB
RFFE2_CLK
RFFE2_DATA L1000
DNI
C1008
TX_ANT_GSMLB
31
TRX4
30
TRX3 L1008
29
GSM_LB_TX TX_ANT_GSMLB DNI
28
GSM_HB_TX TX_ANT_GSMHB
27
TX_BAND8 TX_ANT_B8
26
TX_BAND5 TX_ANT_B5
25
TRX1 TRX_ANT_B20
24
TX_BAND2 TX_ANT_B2 C1015 3.3n
23
TX_ANT_B1
GND11
22
TX_BAND1 TX_ANT_B1
21
TRX2 TRX_ANT_B3
L1012
0.5p
C1043
TX_ANT_B2
REV_A(04/22)
L1028
10n
PRX_B8_G900_INP
C1029 12n
DNI C1058 2n
TX_ANT_B5
L1021
PRX_B8_G900_INM
L1038
C1034 12n
1p
PRX_B5_G850_INP
C1048 12n
2.2n C1059
TX_ANT_B8
L1031
DNI
L1042
PRX_B5_G850_INM
12n
C1056
1p
C1234 33p C1053 33p
TRX_ANT_B3
L1026 L1037
2.4n DNI
TRX_ANT_B20
REV_1.0 (07/01)
+2V7_VREG_L16
C1016
10n
TRX_B20
REV_A(04/22)
FL1010
C1074 82p 6
C11019 L11027 33p
10 33p ANT
PRX_B7_B38_B40_INP
9
8
L11028 L1099
L1047
7 B_5/24 L1103
8.2n 2
3.3n 8.2n
DNI GND1
6
4
GND2
C11089 33p 5
L11032 33p
PRX_B7_B38_B40_INM GND3
EAM62672701
REV_A(04/26)
LTE_B7_B40_SW_CTL1
C11120
100p
+2V7_VREG_L16
TX_B40
C11117
TRX_B7
10n
C11135 1.8n
C11128 100p
3 6
GND ANT
C11129
FL11021
1.5p
VPA +VPWR_RF
LTE_B7_B40_SW_CTL1
REV_1.0 (06/28)
REV_A(04/22) C11122
100p
C1075
C1076 C11077 C11078
330p
4.7u 330p 4.7u
REV_A(04/22)
ACPM-9007-TR1 U11007
11
PGND
10 1
L1088 3.6n
VCC2 VCC1 C1163 1n
9 2
RFOUT RFIN
8 3
ISO NC
7 4
PA0_R1
GND VMODE
6 5 L1089
CPL VEN PA_ON2_L7
6.8n
R1039
EAN62765901
49.9
REV_A(04/26)
1_6/27
- 217 -
G1800/G1900
33p
L1001
DNI
HC-PA_APT_MIPI
REV_B(05/26)
G850/G900
REV_A(04/22)
33p
C1007
DNI
L1006
DNI
QCT REVIEW
B1 (R-005838)
03/27 Delete
35 1
RFOUT_B1 RFIN_B1_B2
34 2
RFOUT_B3 RFIN_B4
33 3
RFOUT_B4 RFIN_B26
L1013 32 4
RFOUT_B2 RFIN_B5_B8
0.5p
31 5
RFOUT_B5_B26 GND1
30 6
GND14 U1000 VIO
B2
29 7
RFOUT_B8 GND2
28 8
4.7p VCC1 SCLK
27 9
VCC2 SDATA
26 10
VCC_GSM GND3
L1029 25 11
GND13 VBATT
DNI 24 12
RFOUT_GSM_HB GND4
23 13
GND12 RFIN_GSM_HB
22 14
RFOUT_GSM_LB RFIN_GSM_LB
B5
L1039
1p
B8
L1043
DNI
REV_B Change(05/18)
B3
6 1
ANT RX1 PRX_B3_P
8
RX2 PRX_B3_M
3 C1027 1.5n
TX
2
GND1
4 9
L1019
GND2 GND5
5 7 L1020
GND3 GND4 DNI DNI
FL1014
B20_RX
+VPWR_RF
VPA
12/27
C1206 1n
QCT REVIEW
PRX_B20_INP 1.0_06/28
(R-005845)
L1059
REV_A(04/26) 1.0_06/28
12n
C1209 C1094 C1109
REV_A(04/22)
B8091
C1010
4.7u
1n ACPM-9020-TR1 U1001 1n
1 PRX_B20_INM
RX1 C1207 1n
8 11
PGND
RX2
10 1
L1093 3.9n VCC2 VCC1 C1147 8.2n
3 9 2
TX RFOUT RFIN
R1034 8 3
ISO NC
7 4
9 C1146 49.9 PA0_R1
GND5 GND VMODE
L1094 L1096
7 DNI 6 5
CPL VEN
GND4 0.5p PA_ON1_L20
1.8p
EAN62778301
C1112 C1113
1_6/27
LTE_B7_B40_SW_CTL1
H
PRX_B2_B3
L
VDD : High
C11130 100p
TX_OUT_B7_B38_B40 REV_B Delete(05/18)
+2V7_VREG_L16
L11114 C1044 33p
PRX_B3_M
DNI
L1014
0.5p
FL1015
C1036 33p 1 10
PRX_B3_P PORT3+ PORT3-
2 9
GND1 VDD
3 8
GND2 PORT1-
PRX_B2_INP 4 7
PORT2- PORT1+
5 6
PRX_B2_INM
PORT2+ CTL
REV_B(05/18)
C1119
PRX_B3_B4 HIGH
100p
PRX_B2_G1900 LOW
6. CIRCUIT DIAGRAM
REV_1.0(07/04)
C1002 33p
C1001 33p TX_OUT_B1_B2
L1002
0.5p
C1006 33p C1012 33p
TX_OUT_B3_B4
L1007
DNI
C1022 2.4n
TX_OUT_B5_B8
FL1005 12/17 L1016
DNI
1 IN G3 6
2 5
C1021 1n G1 NC
3 4
OUT G2
L1015
0.5p
RFFE1_CLK
RFFE1_DATA
C1030 33p
TX_OUT_GSMHB
L1022
L1113
DNI
DNI
C1038 33p
TX_OUT_GSMLB
L1025
L1114
DNI
DNI
B20_TX
FL1012
L1097 L1098
4 1
OUT IN TX_OUT_B20
1.5n
3.3n
G3 G2G1
5 3 2
842MHz L1051
REV_B(05/18)
C1205 33p
PRX_B2_B3_INM
L1100
L1101
27n 15n
C1204 33p
PRX_B2_B3_INP
PRX_SW_SEL0
C1120 L1101
27n
100p
REV_1.0 (06/28)
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