LG GM310 Service Manual page 102

Mobile Switch & FEM circuit Diagram Mobile Switch & FEM circuit Diagram
TP11
2 V 8 5 _ V R F
C 1 0 4 0 C 1 0
1 0 0 0 p 0 1 . u
A N T _ S E L 2
A N T _ S E L 6
TP5
U 1 0 0 5
N L 2 7 W Z 3 2 U S
8
1
A 1 V C C
A N T _ S E L 1
2 7
B 1 Y 1
A N T _ S E L 4
3 6
Y 2 B 2
4 5
G N D A 2
TP6
VC1 VC1 VC2 VC2
(TP1) (TP1) (TP2) (TP2)
850/900 TX 850/900 TX 1 1 1 1
1800/1900 TX 1800/1900 TX 1 1 0 0
850 RX 850 RX 0 0 1 1
900 RX 900 RX 0 0 0 0
1800 RX 1800 RX 0 0 0 0
1900 RX 1900 RX 0 0 1 1
WCDMA 900 WCDMA 900 0 0 0 0
WCDMA 1900 WCDMA 1900 0 0 1 1
WCDMA 2100 WCDMA 2100 0 0 0 0
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
S W 1 0 0 1
2 0 2 7 9 0 - 0 1 E 0 - 1
G 1
C 1 0 0 1 1 8 . n
G 2 A N T
C 1 0 1 1
C
D I N
F L 1 0 0 1
D 5 0 1 7
P C S _ R
P C S _ R
2
A N T P C N _ R
P C N _ R
1
G N D 1 E G S M _ R
8
G N D 2 E G S M _ R
1 0
G N D 3
2 3
G N D 4 G S M 8 5 0 _ R
2 4
G N D 5 G S M 8 5 0 _ R
W C D M A _ 2 1
W C D M A _ 8
W C D M A _ 1 9
4 1
P C N _ P C S _
G S M 8 5 0 _ E G S M _
R 1 0 1 0 1 K
R 1 0 1 1 1 K
R 1 0 1 2 1 K
R 1 0 1 3 1 K
2 V 8 5 _ V R F
G
C 1 0 5 3
1 u TP7
G S M _ P A O U T _ L B
TP8
A N T _ S E L 3
A N T _ S E L 5
G S M _ P A O U T _ H B
VC3 VC3 VC4 VC4 ANT_SEL1 ANT_SEL1
(TP3) (TP3) (TP4) (TP4) (TP5) (TP5)
0 0 0 0 1 1
0 0 0 0 0 0
1 1 0 0 1 1
0 0 0 0 0 0
0 0 0 0 1 1
0 0 0 0 0 0
0 0 1 1 0 0
0 0 1 1 0 0
1 1 1 1 0 0
GM310f service manual
GM310f service manual
TP9
S W 1 0 0 2 G R S 3 0 2 2 - S H - 2 2 E - 3 0 0 0
C 1 0 0 2 2 2 p
H
G 1
A N T R F
G 2
1 0 0 3 L 1 0 0 1
0 7 . 5 p
1 8 n H
TP10
1 8
X 1
1 9
X 2
1 6
X 1
1 7
X 2
1 4
X 1
1 5
X 2
1 2
X 1
1 3
X 2
2 0
0 0
2 1
5 0
2 2
0 0
9
T X
G S M _ P A O U T _ H B
1 1
T X
G S M _ P A O U T _ L B
TP1
TP2
TP3
TP4
C 1 0 5 2 1 2 p
C 1 0 5 4
C
D I N
3
C 1 0 5 6 3 3 .
C 1 0 5 8
C 1
ANT_SEL2 ANT_SEL2 ANT_SEL3 ANT_SEL3 ANT_SEL4 ANT_SEL4
(TP7) (TP7) (TP6) (TP6)
1 1 0 0 0 0
1 1 0 0 0 0
0 0 1 1 0 0
0 0 1 1 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 1 1
- 103 -
5. Trouble shooting
ANT_SEL5 ANT_SEL5 ANT_SEL6 ANT_SEL6
(TP8) (TP8)
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
1 1 1 1
0 0 1 1
0 0 1 1
LGE Internal Use Only