![background image](http://html.mh-extra.com/html/samsung/sgh-2100/sgh-2100_service-manual_1190234027.webp)
5. Schematic Diagrams
5-1 Top Level
5-1
Schematic Diagrams
TXPOWER
ITX1
QRXP
QTX1
+3VDC
+3VLNADCS
+3VLO1
RXEN_FEDCS
POWER_ON
+3V_RTC
TXEN2
+VBATT
VAGC
TXEN1
VMID
DEMODEN
GSMTX2
ITX
QRXP
+3VMD
+3VTX
GSMTX2
RXEN_FEGSM
CLK13M
_RESET
+3VBB
AVCC
+VBATT
+3VLNAGSM
+3VLO1
+3VLO2
+3VMD
+3VPLL
RF_ON_OFF
STARTUP_VOLTS
SYNDATA
_RESET
AFC
STARTUP_VOLTS
ANT
BANDSEL
DCSTX2
GSMTX1
TXPOWER
_BANDSEL
+3VDEMOD
+3VLNAGSM
+3VLO2
+3VPLL
+3VX
IRXP
DCSTX1
DEMODEN
TXEN2
ITX
POWER_ON
QTX
+3VTX
+3VX
SYNCLK
+VBATT
SYNEN
AFC
+3VDC
ANT
BANDSEL
AVCC
CLK13M
+3V_RTC
RF_ON_OFF
RXEN_FEGSM
SYNCLK
SYNEN
DCSTX2
GSMTX1
IRXP
ITX1
QTX
RXEN_FEDCS
VMID
_BANDSEL
_RESET
DCSTX1
+3VBB
+3VLNADCS
QTX1
VAGC
SYNDATA
TXEN1
+3VDEMOD