Only For Training And Service Purposes - LG KP330 Service Manual

4. TROUBLE SHOOTING
M M 8 1 3 0 2 - 6 0 0
S W 1 0 0
L 1 0 0 2
C 1 0
G 3 G 4
O U T N I
G 2 G 1
2 7 . n H
L 1 0 0 3
5 6 n H
TP1
S M P S _ S 3 _ 2 7 . V
R 1 0 0 6 1 K
A N T _ S E L 0
R 1 0 0 7 1 K
A N T _ S E L 1
1 K
R 1 0 0 8
A N T _ S E L 2
R 1 0 1 0 1 K
A N T _ S E L 3
Schematic of GSM Tx level
LGE Internal Use Only
F L 1 0 0 0
1 8
P C S _ R X 1
1 9
P C S _ R X 2
0 4 5 1 p 2 1 6
A N T P C N _ R X 1
1 7
P C N _ R X 2
1 1 4
G N D 1 E G S M _ R X 1
8 1 5
G N D 2 E G S M _ R X 2
1 0
G N D 3
2 3 1 2
G N D 4 G S M 8 5 0 _ R X 1
2 4 1 3
G N D 5 G S M 8 5 0 _ R X 2
2 0
W C D M A _ 2 1 0 0
2 1
W C D M A _ 8 5 0
2 2
W C D M A _ 1 9 0 0
9
P C N _ P C S _ T X
1 1
G S M 8 5 0 _ E G S M _ T X
D 5 0 1 5
L 1 0 0 7
1 5 n H
KP330 Operational Description
W C D M A _ 2 1 0 0
W C D M A _ 8 5 0
W C D M A _ 1 9 0 0
TP2
7 .
L 1 0 1 2 2 n H
C 1 0 6 2 1 0 0 p
TP3
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C 1 0 0 0 2 2 . p
R
P C S 1 ( 9 3 0 1 -
L 1 0 0 0 L 1 0 0 1
N A 4 7 . n H
C 1 0 0 2 2 2 . p
R
C 1 0 1 1 4 7 . p
R
D C S 1 ( 8 0 5 1 -
L 1 0 0 5 L 1 0 0 6
1 0 n H 5 6 . n H
C 1 0 1 8 4 7 . p
R
2 2 . p C 1 0 2 7
R
G S M 9 ( 2 5 9 -
L 1 0 0 8 L 1 0 0 9
1 8 n H 1 5 n H
2 2 . p C 1 0 3 2
R
1 8 . p
C 1 0 3 5
R X _ G
G S M 8 ( 6 9 8 - 9
L 1 0 1 0 L 1 0 1 1
2 7 n H 1 8 n H
C 1 0 4 4 1 8 . p
R X _ G
9
G S M _
C 1 0 6 1
5 p
1 1
D C S _
L 1 0 1 3 2 2 . n H
7
G N D 1
1 2
G N D 2
6
N C 1
1 0
N C 2

Only for training and service purposes

X _ P C S _ M
9 9 0 M
X _ P C S _ P
X _ D C S _ M
8 8 0 M
X _ D C S _ P
X _ G S M _ 9 0
6 0 M H
X _ G S M _ 9 0
S M _ 8 5 0 _ M
4 M H z
S M _ 8 5 0 _ P
O U T
P C S _ O U T
U 1
T Q M 7