LG KS660 - Page 61

- 62 -
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
3.23.2. Front End Module control : RF block 2 (SGR)
Implemented in the Transceiver are two outputs for direct control of front end modules(FL600) with two logic
input pins to select RX- and TX-mode as well as low- and high band operation.
L
H
HXT _009
1 /
0
081
MSG
XR_0
09 /
0
58MSG
X
R
_00
9
1 /
0
081
MSG
L
)
1E
F
(
1CV
L
L
XT_0
09 / 058MSG
)
2E
F
(
2
CV
L
L
0
0
6
2
-
0
3
1
8
M
M
0
0
6
W
S
2G
1
G
4
G
3G
NITU
O
p
7
4
5
1
6
C
p
0
0
1
6
1
6
C
4
1
6
C
p
7
4
GSM850RX2
13
GSM850_900TX GSM900RX1
3 4
GSM900RX2
NC1
19
NC2
20 16
VC1 VC2
10
7
1
T
N
A
GND1
9
GND2
12 14
GND3 GND4
15 18
GND5
GSM1800RX1
5 6
GSM1800RX2 GSM1800_1900TX
11
7
GSM1900RX1 GSM1900RX2
8
GSM850RX1
1 2
2
8
7
-
A
N
3
4
P
S
M
L
0
0
6
L
F
C
V
C
V
< Fig 38. FEM Circuit Diagram >