Circuit Diagram - LG -E615 Service Manual

7. CIRCUIT DIAGRAM

SW1002
G1 L1001
G2 ANT
1n
R1001
C1001
DNI
DNI
2mm
VBAT
ANT_SEL2
C1013 ANT_SEL1
C1014
22u ANT_SEL0
47p
ANT_SEL3
R1002
GSM_PA_RAMP
2.2K
C1028
39p
R1004
GSM_TX
91
GSM850(824-849MHz)
11dB
GSM900(880-915MHz)
R1009
DCS_PCS_TX
33
DCS(1710-1785 MHz)
5dB
PCS(1850-1910 MHz)
ANTENNA SWITCH MODULE LOGIC
ANT_SEL0 ANT_SEL1 ANT_SEL2
GSM850/GSM900 TX LOW HIGH LOW
DCS1800/PCS1900 TX HIGH HIGH LOW
WB850/WB900 HIGH LOW LOW
WB2100 HIGH HIGH
LOW
GSM850 RX LOW LOW HIGH
EGSM RX LOW HIGH
LOW
DCS1800 RX
LOW HIGH LOW
PCS1900 RX LOW HIGH
LOW
WCDMA RX 2100 LNA Circuit
VDD_RX
L1021
8.2n
FL1003
L1023
3.9n
R1019 1
RX_WCDMA_2100_LNA_OUT C1071 33p
IN
0
C1072
1p
R1020
RX_WCDMA_1900_LNA_OUT
DNI
FL1006 3
ANT1001 L1033
C1088 1575.42 MHz
G3
1 4
IN OUT
3.3n
100p G1 G2
2 5
L1035 L1036 C1090
L1037 C1091
100p
12n 100n DNI
100p DNI
L10002
change_2012.01.03
GND
R1026
3
GPS_MODE S_D
12 2
C1103
6.8p
LGE Internal Use Only
L1004
100n
GSM Quad
TRX2 WCDMA_LB_RTX
GND
7 13
VBATT TRX1 WCDMA_HB_RTX
18 12
GPCTRL2 RX2
17 11
GPCTRL1 RX1
19 10
GPCTRL0 U1002 GND7 FL1001
20 16
TX_EN GND4
21 6 C1016
1 8
VRAMP GND3
22 9 1842_5/1960MHz 1960MHz_1
9
PGND1 GND8
1960MHz_2
23 2 1.5n
PGND2 GND1
24 1 4 6
GND2
GND5 1842_5MHz_1
8
L1008 2 7
GND1 1842_5MHz_2
4.3n 3
GND2
5 10
GND3 GND4
C1104 100p
C1105 33p
FL1002
C1035
1 IN 9
O1_1
33p
O1_2 8
7
O2_1
L1017
GND O2_2
4 6
10n
2 3 5 10
ANT_SEL3
HIGH
HIGH
LOW
LOW
LOW
LOW
LOW
LOW
C1059 10p
0603
L1022
C1064 3.9p
WB2100_MIX_INM
1.8n
100p
3
OUT DNI W2100 RX(2110 - 2170 MHz)
4
_OUT C1069
G1 G3
2 5 2140MHz
L1025
WCDMA_HB_RTX
C1075 3.9p WB2100_MIX_INP
1.8n
W900 Tx (880-915MHz)
[Duplexer]
BC 1
BC 2
BC 5
BC 8
LNA for the GPS
W900
Near To LNA
L1038
R1025
VREG_RF_2.7V
L1041
4.7n 12
WCDMA_LB_RTX
C1094
C1095
39p
18p 0.1u
L1044
22n
VDD L1047
5
FIL_OUT GPS_IN
4 3.3n
U1006
C1101 C1102
DNI DNI
M7
TX_ON
RF_ON
C1
TCXO_RTR_19.2MHZ
TCXO
M3
RTR6285_SSBI SBDT
C1004 100p A10
GSM_TX
LB_RF_OUT1
B9
C1005 100p
WCDMA_900_TX_OUT LB_RF_OUT2
C1008 33p A9
DCS_PCS_TX HB_RF_OUT1
A8
HB_RF_OUT2
L1005
C1011 33p A7
WCDMA_2100_TX_OUT HB_RF_OUT3
RX_PCS_P
5.6n
N9
RX_WCDMA_900_P
WPRXLBP
M9
RX_WCDMA_900_M
WPRXLBM
10n L1006
PCS(1930-1990 MHz) N10
4.7n WPRXHBP
C1015 N11
WPRXHBM
L1007
H13
RX_PCS_M WDRXLB
5.6n
J12
WDRXHB1
L1009 J13
3.3n
WDRXHB2
RX_DCS_P
C13
RX_GSM_850_P
GCELL_INP
B13
C1029 L1010 RX_GSM_850_M GCELL_INN
DCS(1805-1880 MHz)
10n 7.5n
C12
RX_GSM_900_P
EGSM_INP
B12
RX_GSM_900_M
L1011 EGSM_INN
3.3n
RX_DCS_M
E13
RX_DCS_P DCS_INP
D13
RX_DCS_M
DCS_INN
C1030
RX_GSM_900_P E12
RX_PCS_P
GPCS_INP
2.7p Near To RTR D12
RX_PCS_M GPCS_INN
L1012 L1013 L1014 100p
G13
GPS_IN GPS_IN
82n
15n C1034 33p A12
PDET_IN
GSM(925-960 MHz) PDET_IN
R1012 12K A2
L1015 TX_RBIAS
C1036
1%
RX_GSM_900_M 6.8n
K13
2.7p RX_WCDMA_1900 WPRXSE1
L13
RX_WCDMA_2100 WPRXSE2
RX_GSM_850_P
C1037
2.2p
L1018 L1019
GSM(869-894 MHz)
82n 18n
RX_GSM_850_M
C1039
2.2p
RX_WCDMA_2100_LNA_OUT
RX_WCDMA_1900_LNA_OUT
C1058 DNI
EXT_LNA_EN
U1003 L1016 DNI
6.8p
1 6
RFIN RFOUT
C1065
2 5 R1017 27K
C1038
EN RREF
L1020
100p
3 4
2n GS VCC
7
C1062
C1063
10n
VREG_TCXO_2.85V
W2100 Tx (1920-1980MHz)
FL1004
C1074
6 1
ANT RX
L1028 1n
2.7p
3
TX
L1026
L1027
2 9
3.3n
1.8n GND1 GND6
4 8
8.2n C1080
GND2 GND5
5 7
GND3 GND4 C1078 DNI
1950MHz,2140MHz
6dB Atten.
R1022
PDET_IN
43
B7697 SDMY0003001
R1023 R1024
ACMD-7407 SDPY0004701
180
B7671 SDDY0005101
B7953 SDMY0002801
L1031 10n
RX_WCDMA_900_P
L1032
12n
C1087 DNI
L1034 10n
RX_WCDMA_900_M
FL1008
6 1
ANT RX1
8
RX2
3
TX
2
L1045
GND1
6.2n 4 9
GND2 GND5
5 7
18n
GND3 GND4
2.7p
C1097
L1046
- 115 -
A4
TX_IP
B5
TX_IN
B3
TX_QP
B4
TX_QN
0603
E1
C1006 10n
VTUNE1
N5 C1007 10n
VTUNE2
G1 C1009 1n
VTUNE_GPS
J1
PRX_QP RX0_Q_P
J2
PRX_QN RX0_Q_M
K2
RX0_I_P
PRX_IP
K1
PRX_IN RX0_I_M
L1
DRX_QP RX1_Q_P
L2
DRX_QN RX1_Q_M
M1
DRX_IP RX1_I_P
M2
RX1_I_M
DRX_IN
N2
U1001 NC
A3
RTR6285A
DAC_IREF DAC_REF
A11
VDDA1_1
D1
VDDA1_2
D2
VDDA1_3
F1
VDDA1_4
H1
VDDA1_5
H2
VDDA1_6
A5
VDDA2_1
A6
VDDA2_2
B1
VDDA2_3
B6
VDDA2_4
B10
VDDA2_5
F2
VDDA2_6
F13
VDDA2_7
G2
VDDA2_8
L12
VDDA2_9
R1014
M6
VDDA2_10
N3
VDDA2_11
N6
VDDA2_12
N7
VDDA2_13
VREG_RF_2.7V_RTR
VREG_MSME_1.8V
C1055 C1056 C1057
22p 100p 0.1u
WCDMA DUAL
RX_WCDMA_1900
RX_WCDMA_2100
VBAT
C1067 C1068 C1070
10u 33p
1n
U1004
11
PGND
10 1
C1076
VCC2 VCC1 L1029
9 2
RFOUT RFIN
8 3 3.3n
100p
ISO NC
7 4
PA_R0
GND VMODE C1079
6 5
CPL VEN PA_ON0
DNI
C1082 C1083
100p
100p
180
VBAT
C1084 C1085 C1086
10u 33p
1n
U1005
11
PGND
10 1 FL1007
L1039
VCC2 VCC1
9 2 C1092 4
RFOUT RFIN OUT
8 3 1.5n G3 G2
CPL_IN VMODE_1 6.8n
7 4 5 3
PA_R0
GND VMODE_0
6 5
CPL_OUT VEN PA_ON1
L1043
3.3p
R1021
C1099 C1100
100p
100p
7. CIRCUIT DIAGRAM
TX_I_P
C1002
150p
C1003
150p
TX_I_M
TX_Q_P
C1010
150p
C1012
150p VREG_RF_2.7V_RTR
TX_Q_M
C1023
4.7u
VREG_RF_2.7V
R1003 0
+2.7V
0603
VDD_RX
R1005 0
VREG_SMPS_2.1V
R1008 0
C1033
4.7u
R1013
0
0
VREG_SMPS_2.1V|VSNS_RF_SMPS
GSM Quad
C1073
DNI
FL1005
C1077
4 1
OUT IN
WCDMA_2100_TX_OUT
G3 G2 G1
2.7p
5 3 2
1950MHz
L1030
2.2n
L1040
C1093
1
IN WCDMA_900_TX_OUT
G1 10n
100p
2
L1042
39n
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