LG -H422 Service Manual page 77

16 15 14
L
< 1-4-3-4_TRX_B2(B1)_B5_B8_Triple band
Triple Band Configuration Changed 14.08.04
K
J
I
B8 TRX
C1634 100p
6
H
TX_MODULE_TRX3
L1627
L1628
2
DNI
4.3n
4
5
G
F
B5 TRX
C1600 33p
TX_MODULE_TRX2
E
L1605
5.1n
D
C
B1(B2) TRX
C1616 2.7n
TX_MODULE_TRX1
L1618
L1617
B DNI
2.2p
A
LGE Internal Use Only
16 15 14
13 12 11
L1629 12n
3G_RX_B8_N
B8 L1638 12n
3G_RX_B8_P
FL1604
1
ANT RX1
8
RX2
3
TX
GND1
C1635 2.2n
9
GND2 GND5
7
L1630
GND3 GND4 L1632
10n
DNI
L1600 15n
3G_RX_B5_N
1
L1603 15n 2
B5
3G_RX_B5_P
FL1600
6 1
ANT RX1
8
RX2
C1602 3.3n
3
TX
2
GND1
4 9
GND2 GND5
1
5 7 L1606
GND3 GND4
15n
2
L1610 33p
3G_RX_B1_N
L1613
L1611
3.6n
6.8n
B1
L1615 33p
FL1602
3G_RX_B1_P
6 1
ANT RX1
8
RX2
L1621 3n
3
TX
2
GND1
4 9
GND2 GND5
5 7 L1620
GND3 GND4
DNI
L1619
0.5p
B2
EAM62571201
B1 EAM62090901
13 12 11
10 9 8 7
>
+2V8_MTK_VTCXO
C1660 C1604
100p 1n
U1601
4
3
C1668 100p
RF1 VDD
5
2
GND RFIN
6
1
RF2 CTRL 3G_LB_TX_SW
BGS12PL6
C1665
C1667
100p DNI
10 9 8 7
78
6 5 4
10dB Atten.
R1601 R1602
PDET_IN
27 27
TOL=0.01 TOL=0.01
+3V4_MTK_VPA
VBAT
C1628
C1609 C1646 C1629
0.6mm 0.2mm
1n
2.2u 22p 2.2u
U1600
SKY77758
VBAT
14 1
RFOUT_LB VEN_LB 3G_PA_LB_EN
13 2
GND2 RFIN_LB
12 3
VCC VBATT
C1664
11 4
RFOUT_HB RFIN_HB
DNI 10 5
CPL_IN NC
9 6
GND1 VMODE PA_MODE_SEL_0
8 7
CPL_OUT VEN_HB 3G_PA_B2_EN
R1607
49.9
C1641 C1640 C1656
TOL=0.01
100p 100p 100p
B1(B2)
6 5 4
3 2 1
L
K
J
I
H
G
B5/8
C1605 1.8n C1606 33p
3G_TX_LB
F
B2(B1)
C1657 3.3n
C1658 3.3n
3G_TX_HB
E
L1645
1.5p
D
C
B
LG Electronics
A
TITLE
LGH422
SIZE REV
DWG NO
PDM NUMBER
A2 Rev
DRAWN BY SHEET of Date
User Name 1-4-3-4_TRX_B2_1_B5_B8_ Triple band 19 Drawing Date
3 2 1