LG LG-D618 - Page 150

- 150 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
L1607
33n
FL1602
EAM62954501
75
84
92
3
16
ANT
RX
TX
GND1 GND6
GND2 GND5
GND3 GND4
C1606 2.2n
FL1603
EAM62990301
75
84
92
3
16
ANT
RX
TX
GND1 GND6
GND2 GND5
GND3 GND4
+VPA_BATT0
SKY77742-21
U1600
17
15
13
16
14
10 5
6
4
12
7
3
8
11
1
9
2
RFIN
GND3
VBATT
GND4
CPLOUT
VENHB
GND2
VCC
VENLB
GND1
VMODERFOUTLB
RFOUTHB
GND6
GND5
CPLIN
PGND
SKY77742-21
U1601
17
15
13
16
14
10 5
6
4
12
7
3
8
11
1
9
2
RFIN
GND3
VBATT
GND4
CPLOUT
VENHB
GND2
VCC
VENLB
GND1
VMODE
RFOUTLB
RFOUTHB
GND6
GND5
CPLIN
PGND
+VPA0
+VPA0
+VPA_BATT0
1n
C1626
10u
C1628
C1629 10u
1n
C1631
C1602 10u
1nC1600
10uC1603 1n
C1605
C1610 6.2n
33pC1607
L1600
3.9n
3.9nC1608 C1609 3.9n
C1615
1p
C1611 4.3n
33pC1638
8.2n
L1602
FL1604
ANT
6
RX
1
TX
3
GND1
2
GND6
9
GND2
4
GND5
8
GND3
5
GND4
7
C1649 3.9n
C1642
DNI
C1639 33p
L1999
1.8n
C1646
33p
L1608
6.8n
L1609
DNI
C1634
1.8p
C1648 47p
C1647 3.3n
DNI
C1641
EAM62954601
FL1601
75
84
92
3
16
ANT
RX
TX
GND1 GND6
GND2 GND5
GND3 GND4
C1653
15n
C1651 3n
DNI
C1652
C1637 12p
DNI
C1640
33pC1632
C1645
1n
1n
C1644
C1643
1n
C1627
100n
C1630
100n
C1650 15n
C1636 2n
1.5nC1622
33pC1612
DNI
L1605
C1604 100n
100nC1601
1nC1616
C1617 1n C1618 1n
C1623 15n
C1613
DNI
L1601
DNI
DNI
C1619
C1620 3.3n
33pC1621
DNI
L1603
C1624 5.6n
DNI
C1654
L1604
1.5p
DNI
C1614
PT1600
TOL=0.01
100K
R1602
TOL=0.01
100K
DNIC1656
VREG_L12_1V8
C1 22p
DNI
C1625
TOL=0.01
R1606 51
C1635 39p
PA0_R_0
PA0_R_0
PA0_ON_2
PA_THERM_0
PA0_ON_0
PA0_ON_1
PA0_ON_3
TX_MODULE_TRX_2
TX_MODULE_TRX_4
TX_MODULE_TRX_1
WTR_PRX_LB_2_IN
WTR_PRX_MB_2_IN
WTR_PRX_LB_1_IN
WTR_PDET_IN
WTR_TX3_OUT
WTR_TX2_OUT
WTR_PRX_MB_1_IN
TX_MODULE_TRX_3
TRX B8/RX GSM 900
RF LINE ARTWOKR CAUSION_COMMON PATH
B1
Rev_0.1
PA LOGIC B1/B8
H
H
L
LHL
H
L
H
L
L
H
L
-
L/H
SHUT DOWN
STAND-BY
L
PA_ON_B8 PA_ON_B1_B4 PA0_R0
B1 LPM
B1 HPM
B8 LPM
B8 HPM
POWER MODE
L
L/H
Place matching components near WTR
guarantee LNA gain setting time
Shunt cap must be<=33pF
Shunt cap must be<=33pF
guarantee LNA gain setting time
Place matching components near WTR
Place matching components near WTR
TRX B1
B8, G900
B1
B1, B8
POWER MODE
STAND-BY
B5 HPM
B5 LPM
B2 HPM
B2 LPM
PA0_R0PA_ON_B2PA_ON_B5
L
H
-
L
B2
B5
B1
B8
L
SHUT DOWN
L/H
L/H
H
H
H
PA LOGIC B2/B5
H
H
L
L
L
L
L
L
Place matching components near WTR
Place matching components near WTR
guarantee LNA gain setting time
Shunt cap must be<=33pF
Place matching components near WTR
guarantee LNA gain setting time
Shunt cap must be<=33pF
TRX B2
TRX B5/ RX GSM 850
B5, G850
B2
B2, B5
< 1-1-4-2_TRX_WCDMA_B1_B2_B5_B8 >
PAM THERM
for W7 series