LG -P500 Service Manual page 149

6. BLOCK DIAGRAM
System HW Block Diagram
+ Vbatt
VBATT
GSM_PA_RAMP
VAPC
Diplexer
W900
W900
Duplexer
Duplexer
FRONT
END
W2100
W2100
MODULE
Duplexer Duplexer
Duplexer Duplexer
SKY77544
RFINH
RFINM
LB_RF_IN
HB_RF_IN
RX4 RX4
RX3
RX2
RX1
CTRL0/1/2/3
LGE Internal Use Only
GPS_MODE
LNA
LNA
TX SAW TX SAW
LNA LNA
FILTER
SAW
PA_ON1
LNA
Filter
PA_ON0
WCDMA900 TX
VMODE0
WCDMA
WCDMA
WCDMA2100 TX
Dual
Dual
PAM
PAM
CPL_OUT CPL OUT
VMODE1
RFOUTH
PA_R1
External
WCDMA
Dual
LNA
RX SAW RX SAW
PAM PAM RX SAW RX SAW
RFOUTM
FILTER
FILTER
GSM850 GSM850
G850/900 G850/900
RX SAW
RX SAW
FILTER
FILTER
EGSM900
DCS1800
RX SAW
RX SAW
DCS/PCS
FILTER
FILTER PCS1900
PM7540
PM7540
SBDT_SSBI
PMIC_TCXO
GPS_IN
W2100_DRXHB2 W2100 DRXHB2
WB_MX_INP
RX SAW
RX SAW
WB_MX_INM
FILTER
FILTER
WPRXSE2_OUT
RF_ON
WPRXSE2
WPRXLBP
WPRXLBN WPRXLBN
LB_RF_OUT2
TX SAW
TX SAW
FILTER
FILTER
RTR6285
TX SAW HB_RF_OUT3
TX SAW
FILTER FILTER
FILTER FILTER
HB_RF_OUT2
PDET_IN
TX_IQ TX IQ
WPRXLBP
WPRXLBN
LB_RF_OUT1
PRX_IQ
HB_RF_OUT1
GCELL_INP GCELL_INP
GCELL_INN GCELL_INN
DRX_IQ
EGSM_INP EGSM_INP
EGSM_INN EGSM_INN
DCS_INP DCS_INP
DCS_INN DCS_INN
DAC_IREF
GPCS_INP GPCS_INP GPCS_INP
GPCS INN GPCS INN GPCS INN GPCS_INN GPCS_INN GPCS_INN
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Copyright © 2010 LG Electronics. Inc. All right reserved.
RF
VCTCXO
VCTCXO
19.2MHz TCXO_EN
19.2MHz
VCONT TRK_LO_ADJ TRK LO ADJ
TCXO
PMIC_SSBI
PA_POWER_CTL
PA_R0
TCXO TCXO
SBDT SSBDT_RTR
TX_ON
MSM7227
GPS_Mode
GPIO57
PA_ON1
GPIO22
PA_ON0
PA_ON0
TX_IQ TX IQ
PRX_IQ
DRX_IQ
DAC_IREF
ANT_SEL0/1/2/3
Only for training and service purposes