3. TROUBLE SHOOTING
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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[WCDMA B5]
Test Point (WCDMA B5 RF Rx Level)
TP1
R1100
1.8n
DNI
R1101
R1102
DNI
4.7u
C1110
C1111
10u
10u
C1113
L110
1
0.5p
22
p
C1115
+VPA_BATT0
22
p
C1116
+VPA_BATT0
DNI
L1105
22
p
C1117
C1118
22p
22
p
C1119
C1109
22p
C1114
10n
100p
C1101
SKY77573-31
U1100
SKY77573-31
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
RX
1
18
GND2
2
AN
T
15
SPDT_IN
19
SPDT_OU
T
21
RX
2
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_I
N
36
SPD
T
35
SW
0
38
SW
1
37
HB_E
N
39
LB_E
N
40
MODE
0
41
MODE
1
42
PGND
43
1.5n
C1102
C1112
100p
22
p
C1120
22
p
C1121
2.2n
C1100
C1176
33p
100p
C1173
DNI
L1106
L1147
DNI
C1103
3.3n
L1148
100n
SW1101
4
3
2
1
ANT
COMMON
G3
G4
PA0_R_1
PA0_R_0
SPDT_SEL
ANT0_SW_SEL_0
ANT0_SW_SEL_1
ANT0_SW_SEL_2
ANT0_SW_SEL_3
WTR_TX1_OUT
TX_MODULE_TRX_2
TX_MODULE_TRX_4
TX_MODULE_TRX_1
ANT_PATTERN
TX_MODULE_TRX_3
for W7 CI (06/07)
RX_G1900
RX_G1800
W7
for W7 CI (06/07)
TP1