Samsung SGH-i700 Service Manual

Also see for SGH-i700 Series: User guide Quick reference guide User guide

Contents

Samsung SGH-i700 Service Manual Manual pdf 21 page image

SAM SU N G Proprietary-C ontents m ay change w ithoutnoticeSGH-I700 Flow Chart of Troubleshooting2-18This Document can not be used without Samsung's authorizationF1001 CHECKpin15 ≥ -65dBm ?13. DCS ReceiverCONTINUOUS RX ONRF INPUT : 698CHAMP : -50dBmNORMAL CONDITIONcatch the channel? Check soldered status ofL1006, L1002U1002pin 12,13≥-20dBm ?F1001 CHECKpin3,4 ≥ -65dBm ?U1002 CHECKpin19,20 ≥ -65dBm ?U1003 CHECKpin5,25,28 : 3V ?CN703resolder or changeF1001resolder or changeC1018 .C1020 ,L1004resolder or changeU701 pin33 , C724check or resolderU1003 CHECKpin 7 : 13MHz ?Vp-p : 860mV?U1003 change orresolderU1002 CHECKpin 14,23,26,32:clean 2.8V?C921 , R907resolderOSC901 change orresolderU701 pin39, C725check or resolderU1003 pin3,4Vp-p : 240mV? U1001 CHECKpin6, 20 : 2.8V ?U1001resolder or changeU1002 pin1, 2Vp-p : 250mV ? U1002resolder or changeU1001 pin 2,3,4,5Vp-p : 100mV ?CHECKU901NOYESNONONONONONONONONONOYESYESYESYESYESYES YES YESYESYESYESYESYESOSC901 CHECKpin 3 : 13MHz ?Vp-p : 950mV?U701 pin33, C724check or resolderNOOSC901 CHECKpin 4 : clean3V ?NOYESNO