LG KF750 Service Manual page 174

B. GSM Tx Output Level Check
G N D 6
1 5
G N D 7
1 6
G N D 8
1 7
G N D 9
1 8
G N D 1 0
1 9
G N D 1 1
2 0
G N D 1 2
2 2
G N D 1 3
2 4
D C S _ P C S _ N I
2 1
G S M _ N I
2 3
V A P C
2 5
V B A T T
2 6
B S 2
2 7
B S 1
2 8
S K
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Only for training and service purposes
(Bottom)
P G N D
2 9
G N D 5
1 4
G N D 4
1 3
G N D 3
1 2
G N D 2
1 1
G N D 1
9
W C D M A 1
1 0
R X 1
7
R X 2
6
R X 3
5
R X 4
4
R S V D
3
M O D E
2
T X E N
1
A N T
8
Y 7 7 5 1 9 U 1 0 0
4. TROUBLE SHOOTING
TP23_RF
SW100
RF test connector
W R F _ B A
R X 9 0 0
R X 1 9 0 0
R X 1 8 0 0
C 1 0 7 2 2 p
D I N
C 1 0 8
- 175 -
N D _ 1
R X 8 5 0
TP23_RF
SW100
RF test connector
S W 1 0 0
K M S 5 - 1 8
LGE Internal Use Only