LG LG-D175F - 6 Circuit Diagram

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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
0R1104
1842.50MHz/1960.00MHz
FL1100
4
3
2
1
510
6
7
8
9
GSM1900_OUT
GND6
GND5
GSM1800_OUT
GND7 GND4
GSM1800/1900_IN
GND1
GND2
GND3
+1V8_VREG_L8
TOL=0.01
R1603
220K
2
1
100K
R1602
TOL=0.01
2
1
C1626
DNI
PT1600
100K
TOL=0.01
C1615 100p
100pC1616
C1617 100p
+VPWR
R1600 51
C1614
DNI
R1601
DNI
C1624 2.7n
C1622
5.6n
C1621 100p
DNI
C1620
2.2nC1619
6.8pC1612C1611 100p
C1610
DNI
C1609 2.2n
DNI
C1608
+VPWR
C1623 100p
DNI
C1625
C1618
0.5p
FL1101
942.5MHz
IN
1
OUT
4
G1
2
G2
3
G3
5
4.7u
C1113
C1116 10u
U1600
SKY77742-21
RFIN
2
GND3
9
VBATT
1
GND4
11
CPLOUT
8
VENHB
3
GND2
7
VCC
12
VENLB
4
GND1
6
VMODE
5
RFOUTLB
10
RFOUTHB
14
GND6
16
GND5
13
CPLIN
15
PGND
17
22pC1112
L1102
DNI
100pC1137
C1133
DNI
FL1600
ANT
6
RX
1
TX
3
GND1
2
GND6
9
GND2
4
GND5
8
GND3
5
GND4
7
FL1601
ANT
6
RX
1
TX
3
GND1
2
GND6
9
GND2
4
GND5
8
GND3
5
GND4
7
C1101 2.2n
DNIR1105
C1600 1n
+VPWR
+VPWR
L11090.5p
100pC1120 100pC1121 100pC1122
22pC1123
100pC1115
100pC1119
DNI
C1106
1
2
L1110 27n
L1105 3.3n
C1103
2.2n
SKY77573-31
U1100
TRX1
24
GND3
3
VCC1
4
VCC2
5
GND4
6
GND17
25
GND1
1
GND11
13
GND14
17
GND13
16
GND12
14
GND9
11
GND8
10
GND6
8
RX1
18
GND2
2
ANT
15
SPDT_IN
19
SPDT_OUT
21
RX2
20
GND5
7
GND10
12
GND7
9
GND15
22
GND16
23
NC1
33
VBATT
32
GND20
31
TRX4
30
GND19
29
TRX3
28
GND18
27
TRX2
26
NC2
34
RF_IN
36
SPDT
35
SW0
38
SW1
37
HB_EN
39
LB_EN
40
MODE0
41
MODE1
42
PGND
43
C1605 1n
10n
C1601
C1603 10u
L1122
2.7n
DNI
C1604
100pC1613
C1105 1.2p
10nC1117
22pC1124
C1607 2.2n
SW1100
ANT
1
COMMON
2
G3
3
G4
4
100pC1102
DNI
L1100
4.7n
C1606
DNI
L1603
4.7n
L1602
L1606
DNI
DNI
L1605
L1104
27n
DNIL1111
2
1
12nC1109
L11080.5p
6.8nC1111
DNI
C1114
22pC1110
DNIR1106
33pC1108
2.7n
C1104
L1106 2.2n
L1101 100n
CN1102
PMT1023
FEED
L1604
8.2n
L1600
2.7n
DNI
L1103
C1107
100p
LAYER_ALIGN
DLA_1
DLA_2
DLA_3
DLA_5
DLA_6
DLA_7
DLA_4
PMT1023
CN1101
FEED
PMT1023
CN1100
FEED
C1100 2.7n
L5
1p
R1604 DNI
DNIR1605
DNIR1606
R1607 DNI
GND
PA0_R_0
PA0_R_0
WTR_PRX_MB_2_IN
WTR_PRX_LB_2_IN
WTR_PRX_MB_1_IN
WTR_PRX_LB_1_IN
WTR_TX3_OUT
WTR_PDET_IN
WTR_TX1_OUT
WTR_PRX_MB_3_IN
PA0_ON_0
PA0_ON_2
PA_THERM_0
ANT0_SW_SEL_3
ANT0_SW_SEL_2
ANT0_SW_SEL_1
ANT0_SW_SEL_0
TX_MODULE_TRX_4
TX_MODULE_TRX_4
TX_MODULE_TRX_1
TX_MODULE_TRX_1
PA0_R_1SPDT_SEL
DLA_4
DLA_7
DLA_6
DLA_5
DLA_3
DLA_2
DLA_1
Rev.1.0
Open : SAFO0000501
0530 add
R1604 & R1605 : B2 & B8
R1605 : B2 & B5
R1604 : B1 & B8
0817_ADDED_Band indicate
NONE : B1 & B5
0530 add
1%
1%
DPX(FL1601)W-BAND
EAM62671701
EAM62711101B8
B5
B1
B2
EAM62711201
EAM62810601
W-BAND DPX(FL1600)
PAM THERM
TRX B5(G850 RX)_B8(G900 RX)
TRX B1_B2
Shunt cap must be<=33pF
guarantee LNA gain setting time
Place matching components near WTR
Shunt cap must be<=33pF
guarantee LNA gain setting time
Place matching components near WTR
Place matching components near WTR
POWER MODE
STAND-BY
B1 B2 LPM
B1 B2 HPM
B5 B8 LPM
B5 B8 HPM
PA0_R_0PA0_ON_2PA0_ON_0
L
H
-
L
L
SHUT DOWN
L
L
L
L
H
PA LOGIC B1/B2/B5/B8
H
H
L
L
Short : SAFP0000501
L
H
EAM62732901
H
L
EAM62732801
DC block needed only if using MuRata B2 duplexer
Place thermistor near PAs
B1, B2, B5, B8
SAW(FL1101)
B2
BAND
B5(G850), B8(G900)
Rev 0.4< 1-1-4-5 TRX_WCDMA_B1_B2_B5_B8 DUAL >
< 1-1-1-4_ANT_WCDMA_NO_DRX >
ANT1 (GSM Quad / WCDMA B1, B2, B4, B5, B8)
L
B2/4/5
G1800, G1900
TXM LOGIC(SPDT OFF)
L
G900
L
-
H L
H
-
L
-
H
H
L
L
H
H
-
L
L
L
-
-H
-
-
H
L
LH
L
L
H
HL
L
H
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
H
L
H
L
L
L
H
LB_LPM
H
L
H
L
L H
L
L H
L
L
L
H
L
L
L
L
H
L
TRX4
TRX3
TRX2
TRX1
HB_ULPM
HB_LPM
HB_MPM
HB_HPM
RX_G1900
RX_G1800
LB_ULPM
LB_MPM
LB_HPM
PA0_R1
PA0_R0
ANT0_SW_SEL3ANT0_SW_SEL2
ANT0_SW_SEL1ANT0_SW_SEL0
SPDT_SEL
L
L
L
L
Place matching components near WTR
HRX2
RX1
L
H
H
-
H
H
-
H
-
HH
-
H
B1/2/5
TRI-BAND B1/2/8
B1
DUAL-BAND
can be removed (QMC Review)
Rev.C
Rev.D
Rev.D
Rev.D
L
L
H
G850
CHANGE PART
0628 change : EAM62811301_MURATA -> EAM62792801_WISOL
if your TxM GSM PA gain is not much greater than SKY77573 GSM PA gain. Can remove
6. CIRCUIT DIAGRAM