LG CU920 - System Block Diagrams; Overall Phone Block Diagram

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6. BLOCK DIAGRAM
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
-TX_ON
-TX_AGC_ADJ
-DAC_REF
-TX_IQ
- SSBDT_RFR
-TCXO
-TCXO_EN
-TRK_LO_ADJ
RF_ON -
VCONTROL-
DAC_REF -
TX_IQ -
SBDT -
RX_IQ -
SSBI -
TX SAW
FILTER
-LB_LN A_IN
VCTCXO
19.2MH
z
RFR6275
RTR6275
MSM6281
-HB_RF_OUT1
-RX_IQ
PM6650
RX_IQ -
UMTS RF
GSM RF
-EGSM_INP
-EGSM_INN
-DCS_INP
-DCS_INN
-GPCS_INP
-GPCS_INN
-LB_RF _OUT1
GSM
QUAD PA
PLL
TCXO ï
UMTS_CP_OUT-
FRONT
END
MODULE
RX SAW
FILTER
HB_INP-
HB_LN A_OUT -
HB_INM-
WCDMA 850
DUPLEXER
WCDMA 1900
DUPLEXE
R
GCELL/EGSM
TX SAW
FILTER
WCDMA
Dual
PA
-LB_RF _OUT2
Loop
filter
-SSBDT_RTR
-SSBDT_PM
SBDT -
BLUETOOTH RF MODULE
TCXO
BT_SBST/CK/DT
BT_RX_TX_N
BT_DATA
BT_SBST/CK/DT
BT_RX_TX_N
BT_DAT
A
BLUETOOTH RF
TX SAW
FILTER
DCS/PCS
-HB_RF_OUT2
-GCELL _INP
-GCELL _INN
-HB_LN A_IN
RX SAW
FILTER
LB_INP-
LB_LN A_OUT-
LB_INM-
Couple r
Couple r
-PWD_DET_IN
RF Block Diagram