
3. TROUBLE SHOOTING
- 124 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
33p
C1109
100p
C1110
100p
R1104
C1112
1n
100p
C1111
100p
C1123
C1124
100p
942.5MHz
FL1101
5 3 2
4
1
IN
OUT
G1
G2
G3
L1100
15n
2.2n
C1101
C1125
100p
C1100
100p
82n
L1142
+VPWR
C1119
100p
100p
C1120
0.5p
L1101
SW1100
4
3
ANT
1
COMMON
2
G3
G4
DNI
C1178
DNI
R1105
DNI
R1106
4.7u
C1113
U1100
HRPF89165B
43
42
41
40
39
37
38
35
36
34
26
27
28
29
30
31
32
33
23
22
20
21
19
15
18
14
16
17
13
25
24
TRX1
GND17
GND11
GND14
GND13
GND12
RX
1
AN
T
NC1
NC2
RX
2
GND15
GND16
GND21
VBATT
GND20
TRX4
GND19
TRX3
GND18
TRX2
GND22
RF_I
N
SPD
T
SW
0
SW
1
HB_E
N
LB_E
N
MODE
0
MODE
1
PGND
SPDT_SEL
TX_MODULE_TRX_1
TX_MODULE_TRX_2
TX_MODULE_TRX_4
ANT0_SW_SEL_1
ANT0_SW_SEL_0
WTR_TX1_OUT
* B2 / B8 TRX(G900Rx)
* B1 TRX
* B5 TRX (G850RX)
* DNI : B8 option
G900
( DGMS Guide )
MC-C00002-14 : ESD Protection Circuit
TP1(RF IN)
TP2(RF OUT)
TP3(+VPWR)