LG D722K Service Manual page 159

LG D722K RF Circuit
LG D722K RF Circuit
Coupler
ANT1 ANT1
GSM850/GSM900
WCDMA B5/8
LTE B7/8/40
DIP
HB
ANT3
GNSS
ANT2
DCS1800/PCS1900
WCDMA B1/2
LTE B1/3
Coupler p
DIPLEXER
ANT6 MIMO
WCDMA 1/5
LTE 1/3/7/8/40
B40 DRx
SPDT
LGE Internal Use Only
DPX
LB
FEMID
B5
B8
B1
B2
B20/28
B7 TRx
B40 Tx
SP5T
B40 R B40 Rx
B1 DRx
B2 DRx
B3 DRx
B7 DRx B7 DRx
HB
Diversity
B8 DRx
FEM
B5 DRx
LB
B28 DRx
B20 DRx
GSM_LB
B5/8
GSM_HB
B5
B8
HCPA
B1
B1/2
ACPM-7700
B2
B4
B3
DPX
LPF
DPX
LPF PAM SAW
SAW LNA
DPX PAM
SAW PAM
SAW
SAW
SAW
- 159 - Copyright © 2014 LG Electronics. Inc. All right reserved.
5. BLOCK DIAGRAM
TX LB1(B5) _ ( )
LPF
GSM_LB
TX_LB2(GSM_LB)
GSM_HB
TX_MB2(GSM_HB)
TX_MB3(B1/2)
B3/B4
TX_MB4(B3/B4)
GSM_HB_RX
PRX_MB2(GSM_HB)
PRX_LB3(B5/GSM850)
PRX_LB2(B8/GSM900)
PRX_HMB4(B1)
SPDT
PRX_MB1(B2)
PRX_MB3(B3)
B20/28
TX_LB3(B20/28)
PRX LB1(B20/28) PRX_LB1(B20/28)
GNSS_IN_N
GNSS_IN_P
TX_HB1(B7)
PRX_HB3(B7)
TX_HB2(B40)
PRX_HB2(B40)
DRX_HMB4(B1/B4)
DRX_MB1(B2)
DRX_MB3(B3)
DRX_HB3(B7)
DRX_LB2(B8)
DRX_HB1(B40)
DRX_LB3(B5)
DRX_LB1(B28)
DRX_LB4(B20)
DRX_MB3(B1/B4)
DRX_MB1(B2)
PRX_MB1(B2)
PRX_MB3(B1)
SPDT
Only for training and service purposes
WTR1625L
WFR1620