LG L602i Service Manual page 80

ANT100 ANT101
C1007
1.2nH
L1010
C1009
1p
NA
VREG_RFRX_0_2.85V
C1018
33p
TP2
WCDMA
FL1002
SAYZY1G95EA0B00
C1065 C1066
2
WCDMA_2100 ANT RX
100p 3.3p
TX
L1030 1
L1029
GND1 GND6
7.5nH
4
6.8nH
GND2 GND5
8
GND3 GND4
FL1004
EFSD835MF1S2
C1081
C1080
6
WCDMA_800 ANT RX
100p
47p
TX
2
GND1 GND6
4
GND2 GND5
L1037 L1038
5
18nH GND3 GND4
18nH
FB1002
VREG_RFRX_0_2.85V
C1001
U1000
56p
3 4
OUT2 VCONT
C1003
2 5
GND IN
1 6
OUT1 VDD
R1001
UPG2010TB-E3 10K
C1005
56p
RF_OUT VREG_RFRX_0_2.85V
L1015
15nH
C1019
0.1u
TP3
L1027
C1060
1.8nH
100p
U1004
5
RX_WCDMA_2100 C1070 C1063
0.75p 0.75p
7
3
L1032
6
9 NA
C1077
1.5nH L1033
6.8p
1
RX_WCDMA_800
C1082
3
6.8nH
9
8 L1036
7 18nH
C1088
100p
C1089
100p
C1092
100p
C1096 R1041
22
0.1u C1097
HDET_EN
R1042
22 100p
- 81 -
4. TROUBLE SHOOTING
TP1
AC_T_N
SW1000
56p
G2
ANT RF
G1
LMSP54MA-543
KMS-507
14
C1004
1000p 15
16
13
1
2
4
5
R1004 0
8
ANT_SEL0
R1005 0 10
ANT_SEL1
R1006 0 12
ANT_SEL2
17
18
TP4
+VPWR
C1067 C1068 C1069
L1031
0.01u
10u 10nH
0.01u
U1005
AWT6277R
11
GND5
10 1
VCC2 VCC1
R1031
9 2
GND4 RFIN
8 3 R1032
0
RFOUT GND1
0
7 4
GND3 VMODE
6 5
GND2 VREF
C1076
NA
AWT6307R U1007
8 1
GND1 VEN
R1034
7 2
RFOUT VMODE PA_R0
0
6 3
GND2 RFIN
C1079 5
VCC
NA 9 4
BGND VBATT
+VPWR
C1086 C1087
68p 10u
R1037
R1038
18
18 U1008
R1039
LMV228TLX-NOPB
A1 A2
18 RFIN_EN VDD VREG_RFTX_2.85V
B1 B2
GND OUT HDET1
C1093
C1095
0.1u
1500p
R1040
10K
15nH
C1002
12p
FL1000
19
GSM900_RX1
20
VC1 GSM900_RX2
VC2
21
VC3 GSM1800_RX1
22
GSM1800_RX2
VDD
23
GSM1900_RX1
24
GND1 GSM1900_RX2
GND2
3
GND3 GSM1800_1900TX
6
GND4 GSM900TX
7
GND5 UMTS2
9
GND6 UMTS1
GND7
25
GND8 PIN_DIREC1
26
GND9 PIN_DIREC2
FL1001
3
SAFEB1G95KA0F00
C1061
G3
4 1
W2100_TX_OUT
OUT IN
G2 G1
5.6p
5 2
RTR62
L1028
4.7nH RFR62
Q1000
KRX102E
VREG_TCXO
C1073 PA_ON0
0.01u
VREG_RFTX_2.85V
C1078
3 2 EFCH836MTDB1
47p
FL1003
G2 G1
IN W800_TX_OUT
1
O1 G3
4 5
L1034 L1035
22nH 39nH
Q1002
KRX102E
1u PA_ON1
C1084
VREG_RFTX_2.85V
T