Sony Ericsson K800 Electrical Repair Manual page 8

ANTSW 0
ANTSW 1
Control ANTSW 2
ANTSW 3
GSM 900 RX
GSM 900 TX
GSM 1800 RX
GSM 1900 RX
GSM 1800/1900 TX
900
WCDMA
C619201-1
1800/
1900
Band
VBATI
Enable
Vbatt
RX RFIN
LNA
ANT GLNA
2110-2170 MHz
MIXINA
TX MIXINB
CDI
CDQ
1920-1980 MHz
190 MHz
IFINA
LNA
IFINB
760 MHz
IFLOA
IFLOB
VTUNE
PHDOUT
MCLK
XOIA
XO
XOIB
XOOA
XOOB
MIXOUT
MIXOUTBAR
Vbias
VCONT
VREF OUT
RFout
RFin
OUTBAR
VBATI
Vcc
1920-1980 MHz
RFLO
RFLOBAR
VTUNERF
RFPLL used only for
variable duplex distance
PHDRFOUT
FB
REF
CHARGE
V_WIVI
PUMP
SW Control XOOB
Logic XOOC
13 MHz
EN
FUNCTION OVERVIEW
1800
1900
900
Balun
Balun
2110-2170 MHz
RFOUT
From Bus
2110-2170 MHz 190 MHz
IFOUTA
IFOUTB VccB
IRA RXIA
VGA RXIB
IRB
QRA RXQA
VGA QRB RXQB
190 MHz REFON
CLKREQ
XOON
CURR.
REG. RXON
0 90
CLOCK WCLK
/4
DATA WDATA
SERIAL BUS
STROBE WSTR
2300-2360 MHz RFLOOA
VCO RFLOOB
CHARGE PUMP
13 MHz 200 kHz
/65 PHD
/N
V_WIVI
Tuning
IFBP
IFBPBAR
IIN TXIA
VGA switch
IINBAR
TXIB
QIN TXQA
2300-2360 MHz QINBAR TXQB
380 MHz
/2
380 MHz
760 MHz IFLO
IFLOBAR
VTUNEIF
/2
/N
1520 MHz
V_WIVI
/760 WON
PHD /5 TXON CMOS
Temp
1 MHz
1 MHz Sensor
PHD
/13
STROBE WSTR
DATA WDAT
CLK WCLK
CHARGE PUMP
PHDIFOUT
Radio
VccA VDIG
Rx1900p
Rx1900n
BbTest
IRA
IDat
A/D
IRB
Rx1800p
MUX
Rx1800n
QRA
QDat
A/D
QRB
DCLK
Rx900p
Rx900n
CLK
Rx850p
REFON
Rx850n 4 LOGIC CLKREQ
1/2 1/4
CLK RADCLK
DATA RADDAT
BUS INTERFACE
STROBE RADSTR
TxLn
1/4
TxLp VCO
TXPATH
TxHn
1/2
VCO
TxHp
1/2
PHDOUT Loop
CHARGE
Vtunep
PUMP
Filter
XOp
XOn XO PHD
MOD0
MOD1
XoOut PRESCALER DELAY MOD2
MOD3
PS
TestOut
SEMC Electrical Repair Manual
ANTSW[3:0]
TXON
IDATA
QDATA
DCLK
CLKREQ
RADCLK, RADDAT, RADSTR
VLOOP
MOD[D:A]
TESTOUT
VAPC
RXIA, RXIB, RXQA, RXQB
BASEBAND
INTERFACE
WCLK, WDAT, WSTR
VCXOCONT
MCLK
WRFLOOP
WPABIAS
TXIA, TXIB, TXQA, TXQB
VDIG
VDIG
VccA
VccA
VccB
VccB
VBATI
VBATI
XTLDO
RTEMP
Prepared
Doc respons/Approved Date
Reference Product name
Hardware Block Diagram (RF)
RF
Document no
1202-3085 rev. 2
K800 - K810
Rev
A
Sheet
1/1
8 (121)