LG KS660 - Page 99

- 100 -
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4.11.3 Checking Mobile SW & FEM
EGSM/GSM850 DCS/PCS
FE1 OFF ON
FE2 OFF OFF
SW600
TP3_C604 (FE1)
FL600
TP1
TP2
TP4_C605 (FE2)
TP5 ~ 8
Mobile SW & FEM Circuit Diagram
Mobile SW & FEM Circuit
Checking Points
Mobile SW & FEM
TP4
TP3
TP1
TP2
L
L
H
X
T
_0
091 / 0081 MSG
LL
)2
EF(
2
C
V
H
X
T_
009 / 058MSG
L
)
1
E
F(
1
C
V
L
XR_
00
9
/
0
5
8
MS
G
XR
_0
091 / 0081 MSG
0
0
4R
mh
o
0
0
1
1Y
2
Y
004UX
6
P
6
1
VW
7C
N
1A
2A
D
N
G
CC
V
70
4
C
I
N
D
2G
1G
4G
3
G
N
ITU
O
00
4W
S
00
6
2
-
0318MM
2
GSM850_900TX
13
3
GSM900RX1 GSM900RX2
4
19
NC1
20
NC2
VC1
16 10
VC2
00
4
LF
2
8
7
-A
N
3
4
PS
ML
T
N
A
7
1
9
GND1
12
GND2 GND3
14 15
GND4 GND5
18
5
GSM1800RX1 GSM1800RX2
6
11
GSM1800_1900TX GSM1900RX1
7 8
GSM1900RX2
1
GSM850RX1 GSM850RX2
p
0
0
1
204C
3
0
4
C
p
0
0
1
1
0
4R
mho0
0
1
1
0
0
4T
N
A
0
0
4L
Hn5.1
FRV_
5
8
V
2
00
4
C
p0001
AN
7
0
4L
104C
p001
5
04C
IND
1
E
F
2EF
TP1 TP2
TP4
TP3