LG -P970 Service Manual page 67

rF Block Diagram
FEM FEM
with
GSM
PAM
SKY77529
TX_LB
TX_HB
DET DET
W900
RXTX_L2
Duplexer
W2100
RXTX_H
Duplexer
W1900
RXTX_M1
Duplexer
RX_M2
850
RX_L1
1800
RX_M3
LGE Internal Use Only
VCTCXO
26MHz
VCONT
G850/G900
DCS/PCS
WCDMA
TX SAW
WCDMA
Dual PAM
ACPM-5281
WCDMA
TX SAW
CPL
W-PAM
WCDMA
ACPM-5202
TX SAW
CPL
PWR DET
RFIN1
1900
RX SAW
RFIN2
LNA
2100 2100
BGA749
RX SAW
RFIN4
900
RFIN5
RX SAW
RX SAW
RX SAW
Figure. RF Interface Block Diagram
FSY2_CLK
XO XO
AFC_DAC
SYS_CLK
TX2G_L
TX2G_M
DI3_TX_DAT
DI3_TX_DATX
DI3_RX_DAT
DI3_RX_DATX
TX_3G_L
TX_3G_H
transceiver
PMB5703
TX_3G_M
PA_POW_DET
RX_M2
RX_M2X
RX H RX_H
RX_HX
RX_L1
RX_L1X
RX_L2 VDD_MAIN
RX_L2X
VDD_FSYS
RX_M1
RX_M1X VDD_IO
- 67 - Copyright © 011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
F26M
Di3_TX_DAT
Di3_TX_DATX
Di3_RX_DAT
Di3_RX_DATX
MP-eHM
PMB9801
2.85V_RF1
VRF1
2.85V_RF2 2.85V RF2 VRF2
1.8V_SD
VSD2
Only for training and service purposes