5. BLOCK DIAGRAM
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Only for training and service purposes
LGE Internal Use Only
5. BLOCK DIAGRAM
[D855] RF Block Diagram
B5, B8
B1 . B2
B3, B4
GSM_LB
GSM_HB
LPF
HCPA
(RF7459)
B1,2,3,4,5,6
,17 or 20
DPX
GSM_HB
B5, GSM850
B8, GSM900
GSM_LB
GSM_HB
B1
B2
B5
B8
B3
B1
B2
CPL
WTR1625L
SAW
TX_LB1(B5,B8)
TX_MB3(B1,B2)
TX_MB4(B3,B4)
TX_LB2(GSM_LB)
TX_MB2(GSM_HB)
PRX_LB3(B5,G850)
PRX_MB2(GSM_HB)
PRX_MB1(B2)
PRX_LB2(B8,G900)
TX_LB3(B17/B20/28B)
PRX_LB1(B20/B17)
B13
DIP
HB
LB
SAW
PAM
DPX
28B
ANT1
GSM QUAD
B1/2/3/4/5/8/17/20
ANT2
PRX_HMB4(B1)
FEMid
DPX
B20 or B17
SPDT
B4
Diversity
Module
SAW 내장
(3X4)
B1/B4
PAM
DPX
PAM
SAW
SAW
B7
B40 TX
B40 RX
TX_HB1(B7)
TX_HB2(B40)
PRX_MB2(B3)
PRX_HB1(B40)
PRX_HB3(B7)
DRX_MB1(B1,B4)
DRX_HB3(B7)
DRX_LB3(B5)
DRX_LB2(B20)
B5
B13
SP6T
B13
B20
DIP
LB
HB
B8
DRX_LB1(B8)
DRX_MB2(B3)
WFR1620
LPF
CPL
B17/B28B
DRX_HB1(B40)
SPDT
SAW
B3
TX_LB4(B13)
SAW
PAM
DPX
DRX_LB4(B13/17/28B)
DRX_MB2(B3)
SPDT
PRX_MB3(B3/B4)
B7/13/28B/40
ANT3 2nd
B1/3/4/5/8/13/17/20/28B
B7
SAW
B40
SAW
GPS
LNA+SAW
SAW
ANT4 2nd
B7/40/GPS
PRX_LB4(B13/28B)
SPDT
SPDT
SPDT