Samsung SGH-N625 Service Manual

Also see for SGH-N625: Owner's manual

Samsung SGH-N625 Service Manual Manual pdf 24 page image

Block Diagrams 4-24-2 Main RFIF SAWFilter(225MHz)LCFilter(45MHz)Dual Power AMP Module(U608)SI4133-MLP28(U612)VCTCXO13MHz(U613)HD155128TF(U605)IF VCO1080MHz925~960MHzAnt. S/W(U602)DualSAWFilter(U604)1805~1880MHzDualSAWfilterLNALNAPLL1PLL2PGA90 ¡Shiftv 290MHzv 690 ¡Shiftv 2DCS : 270MHzGSM : 540MHzI&QMod.GSM : 270MHzDCS : 135MHzPhaseDetectorLoopfilterGSM : 270MHzDCS : 135MHzVP40575(U501)880 ~ 915MHz1710 ~ 1785 MHzTx Dual VCO(U610)Mixer 2Serial datainterface45MHz270MHzv 2GSM : 1150~1185MHzDCS : 1580~1655MHzIRXPIRXNQRXPQRXNI&Q Demo.SCLKSDATAAGC_ENbias circuitMixer 1RF VCOv 2540MHzGSM : 1150~1185MHzDCS : 1575~1650MHz(CH 62 : 947.4MHz)(CH 698 : 1842.4MHz)(CH 62 : 902.4MHz)(CH 698 : 1747.4MHz)CH 62 : 1172.4MHzCH 698 : 1617.4MHzIRXPIRXNQRXPQRXNU634U601 C630, L612APC IC(U611)Coupler(U609)Coupler(U607)SGH-N620 RF Block DiagramAnt. S/W(U602)