Rf Main - LG -H815 Service Manual

2. RF Main

ANT1
GSM LB
WCDMA 5,8
LTE B5/7/8/17/20/28A/28B/
CPL
DIP
ANT2
GSM HB
WCDMA 1,2
WTR_PDET
LTE B1/2/3/4
CPL
ANT6
LTE MIMO B20
B20
ANT3 2 nd
WCDMA 1,2,5,8
LTE MIMO B1/2/3/4/5/8/17/28A/28B
DIP
ANT4
LTE MIMO B7/GNSS
EXTRACTO
R
GNSS
LGE Internal Use Only
GSM_LB
GSM_HB
B1
B2
B5
B8
FEMid
B3
B4
B20
LB
B17
DPX
B28A
B28B
B7
HB
B1
B5
B8
FEMid
B2
B3
B4
B28A/B
B1/B4
B3
B5
LB
B8
DP8T
MHB
B17
B28A/B
B2
B7
GSM_LB
GSM_HB
B1
B2
B5
B8
HCPA
B3
B4
B20/B17/B28A/B28B
DPX
SP4T
B7
DPX
LNA
Module
SAW
SAW
LNA
Module
SAW
SAW
SAW
SAW
LNA
Module
59
4. BLOCK DIAGRAM
GSM_LB
TX_LB1(GSM_LB)
GSM_HB
TX_HMB4(GSM_HB)
B1/B2/B3/B4
TX_HMB3(B1,B2,B3,B4)
B5/B8/B17/B28
TX_LB2(B5,B8,B17,B20,B28)
B20
GND/TX_FBRX_M
LPF
BALUN
TX_FBRX_P
AVAGO
SPDT
TX_HMB2(B7)
PAM
PRX_HB1(B7)
PRX_LB3(B20)
LNA
PRX_MB5(B1)
PRX_LB4(B5,G850)
LNA
PRX_LB1(B8,G900)
PRX_MB1(B2, G1900)
PRX_MB3(B3, G1800)
PRX_MB4(B4)
PRX_LB2(B17)
PRX_MLB6(B28)
DRX_LB3(B20)
DRX_MB5(B1,B4)
DRX_MB3(B3)
DRX_LB4(B5)
DRX_LB1(B8)
DRX_LB2(B17)
DRX_MLB6(B28A/B)
DRX_MB1(B2)
DRX_HB1(B7)
GNSS
LNA
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reserved. Only training and service purposes
WTR3925
WTR1625L