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 22 page image

SAM SU N G Proprietary-C ontents m ay change w ithoutnoticeSGH-I700 Flow Chart of Troubleshooting2-19This Document can not be used without Samsung's authorizationF1001 CHECKpin6 ≥ -65dBm ?F1002 CHECKpin 3,4 ≥ -65dBm ?14. PCS ReceiverCONTINUOUS RX ONRF INPUT : 660CHAMP : -50dBmF1001 CHECKpin15 ≥ -65dBm ? CN703resolder or changeU1002pin 12,13≥-20dBm ?U1002 CHECKpin17,18 ≥ -65dBm ?U1003 CHECKpin5,25,28 : 3V ?F1001resolder or changeF1002resolder or changeC1021 ,C1022 ,L1005resolder or changeU701 pin33 , C724check or resolderU1003 CHECKpin 7 : 13MHz ?Vp-p : 860mV?OSC901CHECKpin 4 : clean3V ?U604 change orresolderU1002 CHECKpin 14,23,26,32:clean 2.8V?C921 , R907change or resolderOSC901 change orresolderU701 pin39, C725check or resolderU1002 pin3,4Vp-p : 240mV? U1001 CHECKpin6, 20 : 2.8V ?U1001resolder or changeU1002 pin1, 2 Vp-p: 250mV ? U1002resolder or changeU1001pin 2,3,4,5Vp-p : 100mV ?CHECKU901NOYESNONONONO NONONONONONONONOYESYESYESYES YESYES YESYESYESYESYESYESYESOSC901 CHECKpin 3 : 13MHz ?Vp-p : 950mV?U701 pin33, C724check or resolderNONORMAL CONDITIONcatch the channel?Check soldered status ofL1006, L1002NOYES