LG LG9200 Service Manual page 27

3. Technical Brief
3.2.4. Receiver Part Description(1)
1. Rx Block Diagram
RX SAW
EFCH881MTCA1
GSM850
869.2~893.8 MHz
PCS1900
1930.2~1989.8 MHz
EFCH1960TCA1
MOBILE
SWITCH
KMS-510
RX GSM850 [869.2 ~ 893.8 MHz] : RF1 [3476.0 ~ 3575.2 MHz], L=4
RX PCS1900 [1930.2 ~ 1989.8 MHz] : RF2 [3860.40 ~ 3979.60 MHz], L=2
TX GSM850 [824.2 ~ 837.0 MHz] : N = 8242 ~ 8370
TX GSM850 [837.2 ~ 848.8 MHz] : N = 4186 ~ 4244
TX PCS1900 [1850.2 ~ 1909.8 MHz] : N = 9251 ~ 9549
TRF6151C
LNA
VGA
VGA
N div
L div
GSM850 : L=4
PCS1900 : L=2
RF1 RF2
Loop Filter
- 28 -
VGA
VGA
Phase
Comp.
R div
26 MHz
RXIN
RXIP
RXQN
RXQP
26MHz TCXO
AFC
Buffer