Checking Front End Module Block - LG KF750 Service Manual

4. TROUBLE SHOOTING

4.18 Checking Front End Module Block

Antenna
Switch Module
(+ GSM/EDGE PA)
Figure 4-12. Front End Module Block (Bottom and Top)
T X _ D C S P C S
A N T S W 0
TP10_RF
A N T S W 1
A N T S W 2
V A P C
T X _ E G S M
LGE Internal Use Only
C 1 0 4
2 2 p
C 1 0 5 C 1 0 6
2 2 p 2 2 p
Antenna Switch Module (+ GSM/EDGE PA)
- 150 -
G N D 6 P G N D
1 5
G N D 7
1 6
G N D 8 G N D 5
1 7
G N D 9 G N D 4
1 8
G N D 1 0 G N D 3
1 9
G N D 1 1 G N D 2
2 0
G N D 1 2 G N D 1
2 2
G N D 1 3
2 4
W C D M A 1
D C S _ P C S _ N I R X 1
2 1
R X 2
G S M _ N I R X 3
2 3
R X 4
V A P C
2 5
R S V D
V B A T T M O D E
2 6
T X E N
B S 2
2 7
B S 1 A N T
2 8
S K Y 7 7 5 1 9 U 1 0 0
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP10_RF
Antsw0
Antsw1
Antsw2
C 1 0 0
2 2 p
2 9
1 4
1 3
1 2
1 1
9
1 0
7
6
5
4
3
2
1
C 1
8