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L602i
Service manual
LG L602i Service Manual page 84
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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ANT100
ANT101
C1007
1.2nH
L1010
C1009
1p
NA
VREG_RFRX_0_2.85V
C1018
33p
TP3
FB1002
VREG_RFRX_0_2.85V
C1099
R1045
5.62K
100p
C1101
L1044
82p
4.7nH
1
RX_WCDMA_800
2
C1103
3
0.5p
L1046
4
47nH
C1109
100p
C1115
L1051
12p
2.2nH
RX_WCDMA_2100
C1118
0.5p
L1052
8.2nH
C1121
100p
C1001
U1000
56p
3
4
OUT2
VCONT
2
5
GND
IN
1
6
OUT1
VDD
R1001
10K
UPG2010TB-E3
C1005
56p
RF_OUT
VREG_RFRX_0_2.85V
L1015
15nH
C1019
0.1u
TP2
C1065
C1066
WCDMA_2100
100p
3.3p
L1030
L1029
7.5nH
6.8nH
C1081
C1080
WCDMA_800
100p
47p
L1038
L1037
18nH
18nH
Bias1
C1092
100p
C1096
R1041
22
0.1u
R1042
22
L1039
68nH
L1040
U1009
10nH
RFL6202
12
UMTS_L_IN
GND3
11
UMTS_L_BIAS
UMTS_H_OUT
10
UMTS_H_BIAS
SBDT
9
UMTS_H_IN
VDDM
L1049
C1108
4.7nH
12p
C1116
NA
R1048
100
C1122
C1123
100p
0.1u
- 85 -
4. TROUBLE SHOOTING
TP1
AC_T_N
SW1000
C1003
56p
G2
ANT
RF
G1
LMSP54MA-543
KMS-507
14
C1004
15
1000p
16
13
R1004
0
ANT_SEL0
R1005
0
10
ANT_SEL1
R1006
0
12
ANT_SEL2
17
18
C1060
100p
FL1002
SAYZY1G95EA0B00
2
5
ANT
RX
RX_WCDMA_2100
7
TX
1
3
GND1
GND6
4
6
L1032
GND2
GND5
8
9
NA
GND3
GND4
C1077
1.5nH
FL1004
EFSD835MF1S2
6
1
ANT
RX
RX_WCDMA_800
3
TX
2
9
GND1
GND6
4
8
L1036
GND2
GND5
5
7
18nH
GND3
GND4
TP4
A1
A2
18
RFIN_EN
VDD
B1
B2
GND
OUT
C1093
C1095
0.1u
1500p
R1040
C1097
HDET_EN
100p
10K
C1098
6p
FL1005
B7838
L1042
C1100
2
3
L1043
82p
1
G1
O1
L1041
8.2nH
IN
10nH
G2
O2
NA
5
4
C1102
C1106
C1104
0.1u
NA
6p
C1107
FL1006
L1048
B7827
0.75p
3.3nH
2
3
L1050
G1
O1
L1047
1
3.3nH
IN
7.5nH
G2
O2
5
4
C1110
C1113
0.1u
0.75p
SBDT
SBST
SBCK
VREG_MSMP_2.7V
L1000
15nH
C1002
12p
FL1000
19
GSM900_RX1
20
VC1
GSM900_RX2
VC2
21
VC3
GSM1800_RX1
22
GSM1800_RX2
VDD
23
GSM1900_RX1
1
24
GND1
GSM1900_RX2
2
GND2
4
3
GND3
GSM1800_1900TX
5
6
GND4
GSM900TX
8
7
GND5
UMTS2
9
GND6
UMTS1
GND7
25
GND8
PIN_DIREC1
26
GND9
PIN_DIREC2
VREG_RFTX_2.85V
HDET1
R1044
11.3K
L1045
8.2nH
1
30
GND1
RX_IM
2
29
VDDA7
UMTS_L_INP
3
28
GND2
TCXO
4
27
VDDA1
U1010
VDDA6
5
26
GND3
RFR6202
SBDT
6
25
UMTS_H_INP
SBCK
7
24
GND4
SBST
8
23
UMTS_H_INM
VDDM
9
22
GND8
GND5
10
21
DNC1
DNC3
C
C
1
C
C1120
27p
R1050
C1124
100
12p
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Table of Contents
Troubleshooting
TROUBLE SHOOTING
69
Audio Trouble Shooting
104
Charger Trouble Shooting
116
Troubleshooting Download Errors
127
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