LG -D385 Service Manual page 189

[D385] RF Block Diagram
Main
Antenna
WCDMA Band Variation Option
TRX2
DUPLEXER
DUPLEXER
TRX1
DUPLEXER
TRX4
FEM
UMTS RF
GSM RF GSM RF
[RX_GSM1800]
RX1
RX2
[RX_GSM1900]
[RX_GSM900]
TRX3
[TX_GSM QUAD]
RF_IN
LGE Internal Use Only
B8 PAM
WTR_PRX_MB_2_IN
B2 PAM
WTR_PRX_MB_1_IN
Tx_B1
Dual PAM
Tx_B5
WTR_PRX_LB_1_IN
9dB
Atten
RX SAW WTR_PRX_MB_3_IN
(DCS, PCS)
WTR_PRX_LB_2_IN
RX SAW
FILTER
WTR_TX1_OUT
RX_MB2_IN RX MB2 IN
TX2_OUT
RX_LB2_IN
RX_MB1_IN
TX3_OUT
WTR2605
RX_LB1_IN
PDET_RFFB_IN
RX_LB3_IN
RX_LB2_IN
TX1_OUT
GNSS_RF_IN
- 189 - Copyright © 2014 LG Electronics. Inc. All right reserved.
5. BLOCK DIAGRAM
GNSS Antenna GNSS A t
LNA + Filter
WTR_GNSS_RF_IN_1
Only for training and service purposes