Table of Contents
Advertisement
( DGMS Guide )
MC-C00002-14 : ESD Protection Circuit
SW1100
2.7n
L1104
2
ANT
COMMON
G3
G4
3
4
C1104
L1107
TP1
82n
0.5p
GND12
25
GND13
26
GND14
27
GND15
28
GND16
29
GND17
30
GND18
31
LGE Internal Use Only
TX_MODULE_TRX3
TX_MODULE_TRX2
GND6
16
TRX3
15
TRX2
14
GND5
13
GND4
12
2mm
GND3
11
VBATT
10
C1120
C1108
1n
10p
ANT0_SW_SEL_0
ANT0_SW_SEL_1
ANT0_SW_SEL_2
GSM_PA_EN
TP2(G1800/1900)
2n
L1103
C1101
C1102
DNI
DNI
L1111
2.2n
C1106
C1107
DNI
DNI
TP2(G850/900)
VBAT
C1109
10u
- 54 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
L1100
1.5n
5
L1102
DNI
GSM1800/1900_UnB
GSM1800/1900_Bal1
4
6
L1105
1.5n
GND2
GSM1800/1900_Bal2
3
7
L1108
12n
GND1
GSM850/900_Bal1
2
8
GSM850/900_UnB
GSM850/900_Bal2
1
9
L1110
DNI
L1112
12n
10
Only for training and service purposes
2G_RX_HB_N
L1101
5.6n
2G_RX_HB_P
2G_RX_LB_N
L1109
39n
2G_RX_LB_P
Advertisement
Table of Contents
